WorldWideScience

Sample records for school systems face

  1. Problems Facing Rural Schools.

    Science.gov (United States)

    Stewart, C. E.; And Others

    Problems facing rural Scottish schools range from short term consideration of daily operation to long term consideration of organizational alternatives. Addressed specifically, such problems include consideration of: (1) liaison between a secondary school and its feeder primary schools; (2) preservice teacher training for work in small, isolated…

  2. School Voices: Challenges Facing Education Systems after Identity-Based Conflicts

    Science.gov (United States)

    Weinstein, Harvey M.; Freedman, Sarah Warshauer; Hughson, Holly

    2007-01-01

    We describe our research on the role of education in the social reconstruction of countries after mass conflict. Our studies focus on the voices of those least heard in the discourse--teachers, students, administrators and parents. We examine schools in four societies that experienced profound violence, ethnic cleansing and genocide during the…

  3. Face recognition system and method using face pattern words and face pattern bytes

    Science.gov (United States)

    Zheng, Yufeng

    2014-12-23

    The present invention provides a novel system and method for identifying individuals and for face recognition utilizing facial features for face identification. The system and method of the invention comprise creating facial features or face patterns called face pattern words and face pattern bytes for face identification. The invention also provides for pattern recognitions for identification other than face recognition. The invention further provides a means for identifying individuals based on visible and/or thermal images of those individuals by utilizing computer software implemented by instructions on a computer or computer system and a computer readable medium containing instructions on a computer system for face recognition and identification.

  4. Schools Facing the Expiration of Windows XP

    Science.gov (United States)

    Cavanagh, Sean

    2013-01-01

    Microsoft's plans to end support for Windows XP, believed to be the dominant computer operating system in K-12 education, could pose big technological and financial challenges for districts nationwide--issues that many school systems have yet to confront. The giant software company has made it clear for years that it plans to stop supporting XP…

  5. Grand Challenges facing Storage Systems

    CERN Multimedia

    CERN. Geneva

    2004-01-01

    In this talk, we will discuss the future of storage systems. In particular, we will focus on several big challenges which we are facing in storage, such as being able to build, manage and backup really massive storage systems, being able to find information of interest, being able to do long-term archival of data, and so on. We also present ideas and research being done to address these challenges, and provide a perspective on how we expect these challenges to be resolved as we go forward.

  6. Health Risks Faced by Public School Band Directors

    Science.gov (United States)

    Woolery, Danielle N.; Woolery, Jesse A.

    2013-01-01

    Public school band directors face many work-related hazards in their grueling, yet rewarding job. As a school year progresses, directors are expected to work long hours, while trying to balance professional and personal responsibilities. A band director whose career spans multiple decades can potentially face a number of serious medical problems.…

  7. School infrastructure performance indicator system (SIPIS)

    CSIR Research Space (South Africa)

    Gibberd, Jeremy T

    2007-05-01

    Full Text Available This paper describes the School Infrastructure Performance Indicator System (SIPIS) project which explores how an indicator system could be developed for school infrastructure in South Africa. It outlines the key challenges faced by the system...

  8. Face-to-face versus computer-mediated communication in a primary school setting

    NARCIS (Netherlands)

    Meijden, H.A.T. van der; Veenman, S.A.M.

    2005-01-01

    Computer-mediated communication is increasingly being used to support cooperative problem solving and decision making in schools. Despite the large body of literature on cooperative or collaborative learning, few studies have explicitly compared peer learning in face-to-face (FTF) versus

  9. Challenges facing primary school educators of English Second (or ...

    African Journals Online (AJOL)

    ESOL) learners identified by educators as having language disorders and being referred for Speech-Language Therapy. We describe challenges faced by Grade 1, 2 and 3 educators at government schools in the Cape Metropolitan area who ...

  10. Charter Schools: The Smiling Face of Disinvestment.

    Science.gov (United States)

    Molnar, Alex

    1996-01-01

    Despite the rosy image projected by child-centered reformers, zealots and profiteers are really driving the charter school movement. Charter schools cannot flourish without drastic wage reductions or huge spending increases, nor will they benefit America's poorest children. The market, which has already destroyed kids' neighborhoods and parents'…

  11. Faces

    DEFF Research Database (Denmark)

    Mortensen, Kristine Køhler; Brotherton, Chloe

    2018-01-01

    for the face the be put into action. Based on an ethnographic study of Danish teenagers’ use of SnapChat we demonstrate how the face is used as a central medium for interaction with peers. Through the analysis of visual SnapChat messages we investigate how SnapChat requires the sender to put an ‘ugly’ face...... already secured their popular status on the heterosexual marketplace in the broad context of the school. Thus SnapChat functions both as a challenge to beauty norms of ‘flawless faces’ and as a reinscription of these same norms by further manifesting the exclusive status of the popular girl...

  12. High-resolution measurements of face-to-face contact patterns in a primary school.

    Directory of Open Access Journals (Sweden)

    Juliette Stehlé

    Full Text Available BACKGROUND: Little quantitative information is available on the mixing patterns of children in school environments. Describing and understanding contacts between children at school would help quantify the transmission opportunities of respiratory infections and identify situations within schools where the risk of transmission is higher. We report on measurements carried out in a French school (6-12 years children, where we collected data on the time-resolved face-to-face proximity of children and teachers using a proximity-sensing infrastructure based on radio frequency identification devices. METHODS AND FINDINGS: Data on face-to-face interactions were collected on Thursday, October 1(st and Friday, October 2(nd 2009. We recorded 77,602 contact events between 242 individuals (232 children and 10 teachers. In this setting, each child has on average 323 contacts per day with 47 other children, leading to an average daily interaction time of 176 minutes. Most contacts are brief, but long contacts are also observed. Contacts occur mostly within each class, and each child spends on average three times more time in contact with classmates than with children of other classes. We describe the temporal evolution of the contact network and the trajectories followed by the children in the school, which constrain the contact patterns. We determine an exposure matrix aimed at informing mathematical models. This matrix exhibits a class and age structure which is very different from the homogeneous mixing hypothesis. CONCLUSIONS: We report on important properties of the contact patterns between school children that are relevant for modeling the propagation of diseases and for evaluating control measures. We discuss public health implications related to the management of schools in case of epidemics and pandemics. Our results can help define a prioritization of control measures based on preventive measures, case isolation, classes and school closures, that

  13. Facing the "Challenge": School Leadership in Intercultural Schools

    Science.gov (United States)

    Hajisoteriou, Christina; Angelides, Panayiotis

    2014-01-01

    The overarching purpose of this study is to examine the prospects of school leadership for the development of intercultural education. The article focuses on the ways in which Greek-Cypriot headteachers conceptualize: diversity and intercultural education; and their school leadership roles in culturally diverse settings. To this extent, interviews…

  14. Learning cardiopulmonary resuscitation theory with face-to-face versus audiovisual instruction for secondary school students: a randomized controlled trial.

    Science.gov (United States)

    Cerezo Espinosa, Cristina; Nieto Caballero, Sergio; Juguera Rodríguez, Laura; Castejón-Mochón, José Francisco; Segura Melgarejo, Francisca; Sánchez Martínez, Carmen María; López López, Carmen Amalia; Pardo Ríos, Manuel

    2018-02-01

    To compare secondary students' learning of basic life support (BLS) theory and the use of an automatic external defibrillator (AED) through face-to-face classroom instruction versus educational video instruction. A total of 2225 secondary students from 15 schools were randomly assigned to one of the following 5 instructional groups: 1) face-to-face instruction with no audiovisual support, 2) face-to-face instruction with audiovisual support, 3) audiovisual instruction without face-to-face instruction, 4) audiovisual instruction with face-to-face instruction, and 5) a control group that received no instruction. The students took a test of BLS and AED theory before instruction, immediately after instruction, and 2 months later. The median (interquartile range) scores overall were 2.33 (2.17) at baseline, 5.33 (4.66) immediately after instruction (Paudiovisual instruction for learning BLS and AED theory were found in secondary school students either immediately after instruction or 2 months later.

  15. Attentional System for Face Detection and Tracking

    Directory of Open Access Journals (Sweden)

    Leonardo Pinto da Silva Panta Leão

    2011-04-01

    Full Text Available The human visual system quickly performs complex decisions due, in part, to attentional system, which positions the most relevant targets in the center of the visual field, region with greatest concentration of photoreceptor cells. The attentional system involves sensory, cognitive and also mechanical elements, because the eye and head muscles must be activated to produce movement. In this paper we present the proposal of a face detector system that, as well as the biological system, produces a coordinated movement with the purpose of positioning the target image in the center of camera's visual field. The developed system has distinct parts, one responsible for video pattern recognition and other for controlling the mechanical part, implemented as processes that communicate with each other by sockets.

  16. The neural representation of personally familiar and unfamiliar faces in the distributed system for face perception.

    Science.gov (United States)

    Visconti di Oleggio Castello, Matteo; Halchenko, Yaroslav O; Guntupalli, J Swaroop; Gors, Jason D; Gobbini, M Ida

    2017-09-25

    Personally familiar faces are processed more robustly and efficiently than unfamiliar faces. The human face processing system comprises a core system that analyzes the visual appearance of faces and an extended system for the retrieval of person-knowledge and other nonvisual information. We applied multivariate pattern analysis to fMRI data to investigate aspects of familiarity that are shared by all familiar identities and information that distinguishes specific face identities from each other. Both identity-independent familiarity information and face identity could be decoded in an overlapping set of areas in the core and extended systems. Representational similarity analysis revealed a clear distinction between the two systems and a subdivision of the core system into ventral, dorsal and anterior components. This study provides evidence that activity in the extended system carries information about both individual identities and personal familiarity, while clarifying and extending the organization of the core system for face perception.

  17. A Massively Parallel Face Recognition System

    Directory of Open Access Journals (Sweden)

    Lahdenoja Olli

    2007-01-01

    Full Text Available We present methods for processing the LBPs (local binary patterns with a massively parallel hardware, especially with CNN-UM (cellular nonlinear network-universal machine. In particular, we present a framework for implementing a massively parallel face recognition system, including a dedicated highly accurate algorithm suitable for various types of platforms (e.g., CNN-UM and digital FPGA. We study in detail a dedicated mixed-mode implementation of the algorithm and estimate its implementation cost in the view of its performance and accuracy restrictions.

  18. A Massively Parallel Face Recognition System

    Directory of Open Access Journals (Sweden)

    Ari Paasio

    2006-12-01

    Full Text Available We present methods for processing the LBPs (local binary patterns with a massively parallel hardware, especially with CNN-UM (cellular nonlinear network-universal machine. In particular, we present a framework for implementing a massively parallel face recognition system, including a dedicated highly accurate algorithm suitable for various types of platforms (e.g., CNN-UM and digital FPGA. We study in detail a dedicated mixed-mode implementation of the algorithm and estimate its implementation cost in the view of its performance and accuracy restrictions.

  19. Institutional educational projects in Colombia facing school integration

    Directory of Open Access Journals (Sweden)

    Lilian Caicedo Obando

    2004-02-01

    Full Text Available Nowadays, more than before people talks about the importance to pay attention to the particularity, and this concept has had different conceptions: starting with the incapacity, concept understood like the feature which make a subject different from the others. Other concept is vulnerability which require special attention by the same society that has produced this. Education is one of the most important aspects in the attention. And what is happening inside the educative institutions is not the result of only one way to face and understand the situation that imply the subjects integration since the particularity many senses are assumed in relation with the conception of: subject, school, integration. For this reason, in this article the instrumental, strategic and complex senses are analysed. 

  20. Face Prediction Model for an Automatic Age-invariant Face Recognition System

    OpenAIRE

    Yadav, Poonam

    2015-01-01

    07.11.14 KB. Emailed author re copyright. Author says that copyright is retained by author. Ok to add to spiral Automated face recognition and identi cation softwares are becoming part of our daily life; it nds its abode not only with Facebooks auto photo tagging, Apples iPhoto, Googles Picasa, Microsofts Kinect, but also in Homeland Security Departments dedicated biometric face detection systems. Most of these automatic face identification systems fail where the e ects of aging come into...

  1. A multi-view face recognition system based on cascade face detector and improved Dlib

    Science.gov (United States)

    Zhou, Hongjun; Chen, Pei; Shen, Wei

    2018-03-01

    In this research, we present a framework for multi-view face detect and recognition system based on cascade face detector and improved Dlib. This method is aimed to solve the problems of low efficiency and low accuracy in multi-view face recognition, to build a multi-view face recognition system, and to discover a suitable monitoring scheme. For face detection, the cascade face detector is used to extracted the Haar-like feature from the training samples, and Haar-like feature is used to train a cascade classifier by combining Adaboost algorithm. Next, for face recognition, we proposed an improved distance model based on Dlib to improve the accuracy of multiview face recognition. Furthermore, we applied this proposed method into recognizing face images taken from different viewing directions, including horizontal view, overlooks view, and looking-up view, and researched a suitable monitoring scheme. This method works well for multi-view face recognition, and it is also simulated and tested, showing satisfactory experimental results.

  2. Random-Profiles-Based 3D Face Recognition System

    Directory of Open Access Journals (Sweden)

    Joongrock Kim

    2014-03-01

    Full Text Available In this paper, a noble nonintrusive three-dimensional (3D face modeling system for random-profile-based 3D face recognition is presented. Although recent two-dimensional (2D face recognition systems can achieve a reliable recognition rate under certain conditions, their performance is limited by internal and external changes, such as illumination and pose variation. To address these issues, 3D face recognition, which uses 3D face data, has recently received much attention. However, the performance of 3D face recognition highly depends on the precision of acquired 3D face data, while also requiring more computational power and storage capacity than 2D face recognition systems. In this paper, we present a developed nonintrusive 3D face modeling system composed of a stereo vision system and an invisible near-infrared line laser, which can be directly applied to profile-based 3D face recognition. We further propose a novel random-profile-based 3D face recognition method that is memory-efficient and pose-invariant. The experimental results demonstrate that the reconstructed 3D face data consists of more than 50 k 3D point clouds and a reliable recognition rate against pose variation.

  3. A Systems View of Mother-Infant Face-to-Face Communication

    Science.gov (United States)

    Beebe, Beatrice; Messinger, Daniel; Bahrick, Lorraine E.; Margolis, Amy; Buck, Karen A.; Chen, Henian

    2016-01-01

    Principles of a dynamic, dyadic systems view of mother-infant face-to-face communication, which considers self- and interactive processes in relation to one another, were tested. The process of interaction across time in a large low-risk community sample at infant age 4 months was examined. Split-screen videotape was coded on a 1-s time base for…

  4. 6th Annual Earth System Grid Federation Face to Face Conference Report

    Energy Technology Data Exchange (ETDEWEB)

    Williams, D. N. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

    2017-03-06

    The Sixth Annual Face-to-Face (F2F) Conference of the Earth System Grid Federation (ESGF), a global consortium of international government agencies, institutions, and companies dedicated to the creation, management, analysis, and distribution of extreme-scale scientific data, was held December 5–9, 2016, in Washington, D.C.

  5. Fostering participation in learning networks by using reward systems and face-to-face meetings

    NARCIS (Netherlands)

    Hummel, Hans; Tattersall, Colin; Burgos, Daniel; Brouns, Francis; Koper, Rob

    2006-01-01

    Hummel, H. G. K., Tattersall, C., Burgos, D., Brouns, F. M. R., & Koper, E. J. R. (Submitted). Fostering participation in learning networks by using reward systems and face-to-face meetings. In Proceedings of ICALT 2006 Conference. July 5-7, Kerkrade, The Netherlands

  6. Enhanced 3D face processing using an active vision system

    DEFF Research Database (Denmark)

    Lidegaard, Morten; Larsen, Rasmus; Kraft, Dirk

    2014-01-01

    We present an active face processing system based on 3D shape information extracted by means of stereo information. We use two sets of stereo cameras with different field of views (FOV): One with a wide FOV is used for face tracking, while the other with a narrow FOV is used for face identification...

  7. Research on Face Recognition Based on Embedded System

    Directory of Open Access Journals (Sweden)

    Hong Zhao

    2013-01-01

    Full Text Available Because a number of image feature data to store, complex calculation to execute during the face recognition, therefore the face recognition process was realized only by PCs with high performance. In this paper, the OpenCV facial Haar-like features were used to identify face region; the Principal Component Analysis (PCA was employed in quick extraction of face features and the Euclidean Distance was also adopted in face recognition; as thus, data amount and computational complexity would be reduced effectively in face recognition, and the face recognition could be carried out on embedded platform. Finally, based on Tiny6410 embedded platform, a set of embedded face recognition systems was constructed. The test results showed that the system has stable operation and high recognition rate can be used in portable and mobile identification and authentication.

  8. Cyber Victimization in High School: Measurement, Overlap with Face-to-Face Victimization, and Associations with Social-Emotional Outcomes

    Science.gov (United States)

    Brown, Christina Flynn; Demaray, Michelle Kilpatrick; Tennant, Jaclyn E.; Jenkins, Lyndsay N.

    2017-01-01

    Cyber victimization is a contemporary problem facing youth and adolescents (Diamanduros, Downs, & Jenkins, 2008; Kowalski & Limber, 2007). It is imperative for researchers and school personnel to understand the associations between cyber victimization and student social-emotional outcomes. This article explores (a) gender differences in…

  9. Towards Understanding Different Faces of School Violence in Different "Worlds" of One Country

    Science.gov (United States)

    Jacobs, Lynette

    2013-01-01

    The legacy of South Africa's destructive history is still evident in the different worlds in which South Africans live. Quality education is compromised by violence occurring in schools and role-players must face school violence and take steps to deal with it. This can only be done if school violence is deeply understood within the various school…

  10. Method for secure electronic voting system: face recognition based approach

    Science.gov (United States)

    Alim, M. Affan; Baig, Misbah M.; Mehboob, Shahzain; Naseem, Imran

    2017-06-01

    In this paper, we propose a framework for low cost secure electronic voting system based on face recognition. Essentially Local Binary Pattern (LBP) is used for face feature characterization in texture format followed by chi-square distribution is used for image classification. Two parallel systems are developed based on smart phone and web applications for face learning and verification modules. The proposed system has two tire security levels by using person ID followed by face verification. Essentially class specific threshold is associated for controlling the security level of face verification. Our system is evaluated three standard databases and one real home based database and achieve the satisfactory recognition accuracies. Consequently our propose system provides secure, hassle free voting system and less intrusive compare with other biometrics.

  11. Face Image Quality and its Improvement in a Face Detection System

    DEFF Research Database (Denmark)

    Kamal, Nasrollahi; Moeslund, Thomas B.

    2008-01-01

    When a person passes by a surveillance camera a sequence of images is obtained. Most of these images are redundant and usually keeping some of them which have better quality is sufficient. So before performing any analysis on the face of a person, the face at the first step needs to be detected...... we are trying to develop a system to deal with the video sequences in these 3 steps....

  12. Characteristics of effective schools in facing and reducing bullying

    NARCIS (Netherlands)

    Kyriakides, Leonidas; Creemers, Bert Peter Maria

    This article examines whether variation in school effectiveness in terms of reducing bullying can be attributed to differences in their classroom and school learning environment. All 6th grade students (n = 1504) of 35 primary schools in Cyprus participated in this study. The revised Olweus

  13. A smart technique for attendance system to recognize faces through parallelism

    Science.gov (United States)

    Prabhavathi, B.; Tanuja, V.; Madhu Viswanatham, V.; Rajashekhara Babu, M.

    2017-11-01

    Major part of recognising a person is face with the help of image processing techniques we can exploit the physical features of a person. In the old approach method that is used in schools and colleges it is there that the professor calls the student name and then the attendance for the students marked. Here in paper want to deviate from the old approach and go with the new approach by using techniques that are there in image processing. In this paper we presenting spontaneous presence for students in classroom. At first classroom image has been in use and after that image is kept in data record. For the images that are stored in the database we apply system algorithm which includes steps such as, histogram classification, noise removal, face detection and face recognition methods. So by using these steps we detect the faces and then compare it with the database. The attendance gets marked automatically if the system recognizes the faces.

  14. Increased Efficiency of Face Recognition System using Wireless Sensor Network

    Directory of Open Access Journals (Sweden)

    Rajani Muraleedharan

    2006-02-01

    Full Text Available This research was inspired by the need of a flexible and cost effective biometric security system. The flexibility of the wireless sensor network makes it a natural choice for data transmission. Swarm intelligence (SI is used to optimize routing in distributed time varying network. In this paper, SI maintains the required bit error rate (BER for varied channel conditions while consuming minimal energy. A specific biometric, the face recognition system, is discussed as an example. Simulation shows that the wireless sensor network is efficient in energy consumption while keeping the transmission accuracy, and the wireless face recognition system is competitive to the traditional wired face recognition system in classification accuracy.

  15. The Challenges facing Women aspiring for School Leadership ...

    African Journals Online (AJOL)

    ... managers; problems encountered by women principals; and women's experiences relating to support for a manager's position.The study shows that although the professional profile of women in management posts differs from that of their male counterparts in schools, women can also effectively lead and manage schools.

  16. AN EFFICIENT SELF-UPDATING FACE RECOGNITION SYSTEM FOR PLASTIC SURGERY FACE

    Directory of Open Access Journals (Sweden)

    A. Devi

    2016-08-01

    Full Text Available Facial recognition system is fundamental a computer application for the automatic identification of a person through a digitized image or a video source. The major cause for the overall poor performance is related to the transformations in appearance of the user based on the aspects akin to ageing, beard growth, sun-tan etc. In order to overcome the above drawback, Self-update process has been developed in which, the system learns the biometric attributes of the user every time the user interacts with the system and the information gets updated automatically. The procedures of Plastic surgery yield a skilled and endurable means of enhancing the facial appearance by means of correcting the anomalies in the feature and then treating the facial skin with the aim of getting a youthful look. When plastic surgery is performed on an individual, the features of the face undergo reconstruction either locally or globally. But, the changes which are introduced new by plastic surgery remain hard to get modeled by the available face recognition systems and they deteriorate the performances of the face recognition algorithm. Hence the Facial plastic surgery produces changes in the facial features to larger extent and thereby creates a significant challenge to the face recognition system. This work introduces a fresh Multimodal Biometric approach making use of novel approaches to boost the rate of recognition and security. The proposed method consists of various processes like Face segmentation using Active Appearance Model (AAM, Face Normalization using Kernel Density Estimate/ Point Distribution Model (KDE-PDM, Feature extraction using Local Gabor XOR Patterns (LGXP and Classification using Independent Component Analysis (ICA. Efficient techniques have been used in each phase of the FRAS in order to obtain improved results.

  17. Stress-Prevention in Secondary Schools: Online- versus Face-to-Face-Training

    Science.gov (United States)

    Fridrici, Mirko; Lohaus, Arnold

    2009-01-01

    Purpose: The purpose of this paper is to focus on the evaluation of an internet-delivered stress-prevention program for adolescents as a possible alternative for school-based implementation of mental health promotion. Design/methodology/approach: A total of 904 adolescents in grades eight and nine were assigned to four treatment conditions…

  18. Anti-racist pedagogy: challenges faced by faculty of color in predominantly white schools of nursing.

    Science.gov (United States)

    Hassouneh, Dena

    2006-07-01

    Despite the significant effects of systems of oppression on health, nursing education tends not to include anti-racist pedagogy in its curricula, preferring instead to focus more narrowly on culture. This narrow focus allows nurses to depoliticize discussions of race and other social differences, largely ignoring the influence that systems of oppression, imperialism, and historical trauma have had on health in marginalized populations. In contrast, anti-racist pedagogy educates students in ways that make racialized power relations explicit, deconstruct the social construction of race, and analyze interlocking systems of oppression that serve to marginalize and exclude some groups while privileging others. This article describes anti-racist pedagogy from the perspective of a faculty member of color, drawing on personal experience and a review of the anti-racist pedagogical literature. Specifically, this article highlights some of the personal and professional challenges faced by faculty of color when engaged in anti-racist pedagogy in predominantly white schools of nursing.

  19. Issues and challenges facing school libraries in selected primary ...

    African Journals Online (AJOL)

    Hennie

    and 79% of schools had no library at all (Department of Basic Education (DBE) ... particularly in literacy and mathematics, as compared to national curriculum standards and international ... range of new and ever-changing technologies.

  20. Application of robust face recognition in video surveillance systems

    Science.gov (United States)

    Zhang, De-xin; An, Peng; Zhang, Hao-xiang

    2018-03-01

    In this paper, we propose a video searching system that utilizes face recognition as searching indexing feature. As the applications of video cameras have great increase in recent years, face recognition makes a perfect fit for searching targeted individuals within the vast amount of video data. However, the performance of such searching depends on the quality of face images recorded in the video signals. Since the surveillance video cameras record videos without fixed postures for the object, face occlusion is very common in everyday video. The proposed system builds a model for occluded faces using fuzzy principal component analysis (FPCA), and reconstructs the human faces with the available information. Experimental results show that the system has very high efficiency in processing the real life videos, and it is very robust to various kinds of face occlusions. Hence it can relieve people reviewers from the front of the monitors and greatly enhances the efficiency as well. The proposed system has been installed and applied in various environments and has already demonstrated its power by helping solving real cases.

  1. A color based face detection system using multiple templates

    Institute of Scientific and Technical Information of China (English)

    王涛; 卜佳俊; 陈纯

    2003-01-01

    A color based system using multiple templates was developed and implemented for detecting human faces in color images. The algorithm consists of three image processing steps. The first step is human skin color statistics. Then it separates skin regions from non-skin regions. After that, it locates the frontal human face(s) within the skin regions. In the first step, 250 skin samples from persons of different ethnicities are used to determine the color distribution of human skin in chromatic color space in order to get a chroma chart showing likelihoods of skin colors. This chroma chart is used to generate, from the original color image, a gray scale image whose gray value at a pixel shows its likelihood of representing the skin. The algorithm uses an adaptive thresholding process to achieve the optimal threshold value for dividing the gray scale image into separate skin regions from non skin regions. Finally, multiple face templates matching is used to determine if a given skin region represents a frontal human face or not. Test of the system with more than 400 color images showed that the resulting detection rate was 83%, which is better than most color-based face detection systems. The average speed for face detection is 0.8 second/image (400×300 pixels) on a Pentium 3 (800MHz) PC.

  2. Challenges facing transactional e-government systems

    OpenAIRE

    AI-Sebie, Madi M

    2005-01-01

    This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University, 17/10/2005. A review of normative literature, in the field of e-government, indicates that the transactional stage of e-government is one of the most important to the implementation of an e-government system as it represents the highest level of interaction within organisations and between customers and government organisations. Due to the importance of the transactional stage of the e-govern...

  3. Challenges facing eTextbook provision to South African schools

    CSIR Research Space (South Africa)

    Dlodlo, N

    2012-10-01

    Full Text Available international companies are very expensive for the South African environment, and this would result in uneven access to such resources. Therefore South Africa has to come up with its own low-cost appropriate technologies to enable eBook provision to the schools...

  4. In Schools that Face the Future: Libraries Matter

    Science.gov (United States)

    Hough, Michael

    2010-01-01

    This address will provide an overview of the societal and economic pressures that are driving change in post industrial economies and their schools, review the characteristics of selected societies such as Australia, USA and Hong Kong, summarise the current trends in information and communication technologies (ICTs) and their impacts on learning…

  5. A color based face detection system using multiple templates

    Institute of Scientific and Technical Information of China (English)

    王涛; 卜佳酸; 陈纯

    2003-01-01

    A color based system using multiple templates was developed and implemented for detecting hu-man faces in color images.The algorithm comsists of three image processing steps.The first step is human skin color statistics.Then it separates skin regions from non-skin regions.After that,it locates the frontal human face(s) within the skin regions.In the first step,250 skin samples from persons of different ethnicities are used to determine the color distribution of human skin in chromatic color space in order to get a chroma chart showing likelihoods of skin colors.This chroma chart is used to generate,from the original color image,a gray scale image whose gray value at a pixel shows its likelihood of representing the shin,The algorithm uses an adaptive thresholding process to achieve the optimal threshold value for dividing the gray scale image into sep-arate skin regions from non skin regions.Finally,multiple face templates matching is used to determine if a given skin region represents a frontal human face or not.Test of the system with more than 400 color images showed that the resulting detection rate was 83%,which is better than most colou-based face detection sys-tems.The average speed for face detection is 0.8 second/image(400×300pixels) on a Pentium 3(800MHz) PC.

  6. A Classification Framework for Large-Scale Face Recognition Systems

    OpenAIRE

    Zhou, Ziheng; Deravi, Farzin

    2009-01-01

    This paper presents a generic classification framework for large-scale face recognition systems. Within the framework, a data sampling strategy is proposed to tackle the data imbalance when image pairs are sampled from thousands of face images for preparing a training dataset. A modified kernel Fisher discriminant classifier is proposed to make it computationally feasible to train the kernel-based classification method using tens of thousands of training samples. The framework is tested in an...

  7. Issues and Challenges Facing School Libraries in Selected Primary Schools in Gauteng Province, South Africa

    Science.gov (United States)

    Paton-Ash, Margie; Wilmot, Di

    2015-01-01

    There is no national policy for school libraries which compels school governing bodies and principals to have a library in their schools. It is thus not surprising that in 2011, only 21% of state schools had libraries, only 7% had stocked libraries and 79% of schools had no library at all (Department of Basic Education (DBE) Republic of South…

  8. Blended Learning Model on Hands-On Approach for In-Service Secondary School Teachers: Combination of E-Learning and Face-to-Face Discussion

    Science.gov (United States)

    Ho, Vinh-Thang; Nakamori, Yoshiteru; Ho, Tu-Bao; Lim, Cher Ping

    2016-01-01

    The purpose of this study was to examine the effectiveness of a blended learning model on hands-on approach for in-service secondary school teachers using a quasi-experimental design. A 24-h teacher-training course using the blended learning model was administered to 117 teachers, while face-to-face instruction was given to 60 teachers. The…

  9. Design and implementation of face recognition system based on Windows

    Science.gov (United States)

    Zhang, Min; Liu, Ting; Li, Ailan

    2015-07-01

    In view of the basic Windows login password input way lacking of safety and convenient operation, we will introduce the biometrics technology, face recognition, into the computer to login system. Not only can it encrypt the computer system, also according to the level to identify administrators at all levels. With the enhancement of the system security, user input can neither be a cumbersome nor worry about being stolen password confidential.

  10. Elementary Schools, Teaching, and Social Studies in Texas: Facing the Great Depression

    Science.gov (United States)

    Bellows, M. Elizabeth; Baumi, Michelle; Field, Sherry L.

    2013-01-01

    Across the United States, the Great Depression was a period of tremendous upheaval. Economic, family, political, and educational institutions shook mightily as the tremors of widespread financial downturn were felt. Public schools faced increasing hardships, which included financial problems such as a weakened tax base due to the non-payment of…

  11. Leading a Small Remote School: In the Face of a Culture of Acceptance

    Science.gov (United States)

    Wildy, Helen; Clarke, Simon

    2012-01-01

    This article presents a case study of one very small school in a remote location of Western Australia. The study is part of a larger programme, International Study of Principal Preparation, investigating the challenges facing novice principals in the first 3 years of appointment and the extent to which they felt they were adequately prepared to…

  12. Challenges Facing Women Academic Leadership in Secondary Schools of Irbid Educational Area

    Science.gov (United States)

    Al-Jaradat, Mahmoud Khaled Mohammad

    2014-01-01

    This study aimed at identifying the challenges facing women academic leadership in secondary schools of Irbid Educational Area. A random sample of 187 female leaders were chosen. They responded to a 49-item questionnaire prepared by the researcher. The items were distributed into four domains: organizational, personal, social and physical…

  13. Governance and Leadership in Public Schools: Opportunities and Challenges Facing School Leaders in Italy

    Science.gov (United States)

    Paletta, Angelo; Bezzina, Christopher

    2016-01-01

    This article aims to explore the evolution of school leadership in Italy toward a model of leadership for learning. Italy is undergoing radical changes in the governance structures (school autonomy and accountability) affecting schools in general, and school principals in particular, based on the way they promote, manage, and monitor the…

  14. School Management Information Systems in Primary Schools

    Science.gov (United States)

    Demir, Kamile

    2006-01-01

    Developments in information technologies have been impacting upon educational organizations. Principals have been using management information systems to improve the efficiency of administrative services. The aim of this research is to explore principals' perceptions about management information systems and how school management information…

  15. The effect of image resolution on the performance of a face recognition system

    NARCIS (Netherlands)

    Boom, B.J.; Beumer, G.M.; Spreeuwers, Lieuwe Jan; Veldhuis, Raymond N.J.

    2006-01-01

    In this paper we investigate the effect of image resolution on the error rates of a face verification system. We do not restrict ourselves to the face recognition algorithm only, but we also consider the face registration. In our face recognition system, the face registration is done by finding

  16. Students "Hacking" School Computer Systems

    Science.gov (United States)

    Stover, Del

    2005-01-01

    This article deals with students hacking school computer systems. School districts are getting tough with students "hacking" into school computers to change grades, poke through files, or just pit their high-tech skills against district security. Dozens of students have been prosecuted recently under state laws on identity theft and unauthorized…

  17. Implementation Issues in Multicultural Education: What Are Secondary Public School Educators Facing?

    Directory of Open Access Journals (Sweden)

    LaVonne Fedynich

    2016-02-01

    Full Text Available This mixed method study sought to explore the issues that faced secondary teachers in a rural central Georgia public high school when attempting to implement a multicultural education program.  The key issues of this study centered on the teachers’ multicultural education training and the school’s multicultural education program. Data were gathered from a total of thirty randomly chosen teachers in the Social Studies, Math and English departments at the school. Twenty-five of the thirty teachers received a hard copy four question Likert scale survey to complete. The remaining 5 participants took part in face-to-face interviews discussing six open-ended questions.  The findings pointed to several issues facing the teachers such as the lack of an officially implemented multicultural education program, the lack of support from school administrators, no in-service training available for teachers, parental and student misapprehension, and a lack of an officially defined policy on implementation and support of a multicultural education program from administrators locally and district-wide.

  18. A systems view of mother-infant face-to-face communication.

    Science.gov (United States)

    Beebe, Beatrice; Messinger, Daniel; Bahrick, Lorraine E; Margolis, Amy; Buck, Karen A; Chen, Henian

    2016-04-01

    Principles of a dynamic, dyadic systems view of mother-infant face-to-face communication, which considers self- and interactive processes in relation to one another, were tested. The process of interaction across time in a large low-risk community sample at infant age 4 months was examined. Split-screen videotape was coded on a 1-s time base for communication modalities of attention, affect, orientation, touch, and composite facial-visual engagement. Time-series approaches generated self- and interactive contingency estimates in each modality. Evidence supporting the following principles was obtained: (a) Significant moment-to-moment predictability within each partner (self-contingency) and between the partners (interactive contingency) characterizes mother-infant communication. (b) Interactive contingency is organized by a bidirectional, but asymmetrical, process: Maternal contingent coordination with infant is higher than infant contingent coordination with mother. (c) Self-contingency organizes communication to a far greater extent than interactive contingency. (d) Self- and interactive contingency processes are not separate; each affects the other in communication modalities of facial affect, facial-visual engagement, and orientation. Each person's self-organization exists in a dynamic, homoeostatic (negative feedback) balance with the degree to which the person coordinates with the partner. For example, those individuals who are less facially stable are likely to coordinate more strongly with the partner's facial affect and vice versa. Our findings support the concept that the dyad is a fundamental unit of analysis in the investigation of early interaction. Moreover, an individual's self-contingency is influenced by the way the individual coordinates with the partner. Our results imply that it is not appropriate to conceptualize interactive processes without simultaneously accounting for dynamically interrelated self-organizing processes. (c) 2016 APA, all

  19. Face detection for interactive tabletop viewscreen system using olfactory display

    Science.gov (United States)

    Sakamoto, Kunio; Kanazawa, Fumihiro

    2009-10-01

    An olfactory display is a device that delivers smells to the nose. It provides us with special effects, for example to emit smell as if you were there or to give a trigger for reminding us of memories. The authors have developed a tabletop display system connected with the olfactory display. For delivering a flavor to user's nose, the system needs to recognition and measure positions of user's face and nose. In this paper, the authors describe an olfactory display which enables to detect the nose position for an effective delivery.

  20. Problems Faced by Beginning Teachers in Private Elementary Schools: A Comparative Study between Spain and Mexico

    Directory of Open Access Journals (Sweden)

    Magda Yolanda Cantú Tijerina

    2006-11-01

    Full Text Available In order to explore the problems faced by beginning teachers in private elementary schools in the Spanish city of Madrid and in the Mexican city of Monterrey, questionnaires were applied to private school teachers just starting out in both cities. The results indicate that in both contexts, as beginners, teachers face problems of an academic, organizational, social, and material and technological nature. However, it stresses the fact that Mexican teachers perceive more problems in all the categories than do their Spanish colleagues. Similarity in the results was found in the category of social problems, which was the one mentioned least by the teachers in both cities. This suggests that the cultural nature of these two countries may be a factor to be considered in connection with fostering beginning teachers’ adaptation process.

  1. System Analysis of Flat Grinding Process with Wheel Face

    Directory of Open Access Journals (Sweden)

    T. N. Ivanova

    2014-01-01

    Full Text Available The paper presents a conducted system analysis of the flat grinding wheel face, considers the state parameters, input and output variables of subsystems, namely: machine tool, workpiece, grinding wheel, cutting fluids, and the contact area. It reveals the factors influencing the temperature and power conditions for the grinding process.Aim: conducting the system analysis of the flat grinding process with wheel face expects to enable a development of the system of grinding process parameters as a technical system, which will make it possible to evaluate each parameter individually and implement optimization of the entire system.One of the most important criteria in defining the optimal process conditions is the grinding temperature, which, to avoid defects appearance of on the surface of component, should not exceed the critical temperature values to be experimentally determined. The temperature criterion can be useful for choosing the conditions for the maximum defect-free performance of the mechanical face grinding. To define the maximum performance of defect-free grinding can also use other criteria such as a critical power density, indirectly reflecting the allowable thermal stress grinding process; the structure of the ground surface, which reflects the presence or absence of a defect layer, which is determined after the large number of experiments; flow range of the diamond layer.Optimal conditions should not exceed those of defect-free grinding. It is found that a maximum performance depends on the characteristics of circles and grade of processed material, as well as on the contact area and grinding conditions. Optimal performance depends on the diamond value (cost and specific consumption of diamonds in a circle.Above criteria require formalization as a function of the variable parameters of the grinding process. There is an option for the compromise of inter-criteria optimality, thereby providing a set of acceptable solutions, from

  2. Reliable face recognition methods: system design, implementation and evaluation

    National Research Council Canada - National Science Library

    Wechsler, Harry

    2007-01-01

    ... ,.,,,.,.,,, , . , . , , , , , , .. , , .. "", .. " , ,, "" , , .. , ", , , .. , , .. , , , , , , ,... ",.. ,,, ",.. , 1 4 7 8 13 2 The Human Face ... ", ... """.".,." 2.1 Cognitive Neurosciences .. , . , 2.2 Psychophysics 2,3 The Social Face, . , . , , . , , .. , , , , , 2.4...

  3. ALPS - advanced limiter-divertor plasma-facing systems

    International Nuclear Information System (INIS)

    Allain, J. P.; Bastasz, R.; Brooks, J. N.; Evans, T.; Hassanein, A.; Luckhardt, S.; Maingi, R.; Mattas, R. F.; McCarthy, K.; Mioduszewski, P.; Mogahed, E.; Moir, R.; Molokov, S.; Morely, N.; Nygren, R.; Reed, C.; Rognlien, T.; Ruzic, D.; Sviatoslavsky, I.; Sze, D.; Tillack, M.; Ulrickson, M.; Wade, P. M.; Wong, C.; Wooley, R.

    1999-01-01

    The Advanced Limiter-divertor Plasma-facing Systems (ALPS) program was initiated in order to evaluate the potential for improved performance and lifetime for plasma-facing systems. The main goal of the program is to demonstrate the advantages of advanced limiter/divertor systems over conventional systems in terms of power density capability, component lifetime, and power conversion efficiency, while providing for safe operation and minimizing impurity concerns for the plasma. Most of the work to date has been applied to free surface liquids. A multi-disciplinary team from several institutions has been organized to address the key issues associated with these systems. The main performance goals for advanced limiters and diverters are a peak heat flux of >50 MW/m 2 ,elimination of a lifetime limit for erosion, and the ability to extract useful heat at high power conversion efficiency (approximately40%). The evaluation of various options is being conducted through a combination of laboratory experiments, modeling of key processes, and conceptual design studies. The current emphasis for the work is on the effects of free surface liquids on plasma edge performance

  4. Challenges Facing Managers in Managing Conflict in Schools in the South and South Central Regions of Botswana

    Science.gov (United States)

    Morake, Nnior Machomi; Monobe, Ratau John; Dingwe, Stephonia

    2011-01-01

    The purpose of this study was to examine the challenges facing managers in managing conflict in schools of South and South Central Regions of Botswana. In this study, the schedule of interview was used to collect empirical data. A random sample of 50 school managers and deputy school managers was selected for interviews. Major findings of the…

  5. Image-Based 3D Face Modeling System

    Directory of Open Access Journals (Sweden)

    Vladimir Vezhnevets

    2005-08-01

    Full Text Available This paper describes an automatic system for 3D face modeling using frontal and profile images taken by an ordinary digital camera. The system consists of four subsystems including frontal feature detection, profile feature detection, shape deformation, and texture generation modules. The frontal and profile feature detection modules automatically extract the facial parts such as the eye, nose, mouth, and ear. The shape deformation module utilizes the detected features to deform the generic head mesh model such that the deformed model coincides with the detected features. A texture is created by combining the facial textures augmented from the input images and the synthesized texture and mapped onto the deformed generic head model. This paper provides a practical system for 3D face modeling, which is highly automated by aggregating, customizing, and optimizing a bunch of individual computer vision algorithms. The experimental results show a highly automated process of modeling, which is sufficiently robust to various imaging conditions. The whole model creation including all the optional manual corrections takes only 2∼3 minutes.

  6. DoubleFace: Adjustable translucent system to improve thermal comfort

    Directory of Open Access Journals (Sweden)

    Michela Turrin

    2014-11-01

    Full Text Available The DoubleFace project aims at developing a new product that passively improves thermal comfort of indoor and semi-indoor spaces by means of lightweight materials for latent heat storage, while simultaneously allowing daylight to pass through as much as possible. Specifically, the project aims at designing and prototyping an adjustable translucent modular system featuring thermal insulation and thermal absorption in a calibrated manner, which is adjustable according to different heat loads during summer- and wintertime. The output consists of a proof of concept, a series of performance simulations and measurement and a prototype of an adjustable thermal mass system based on lightweight and translucent materials: phase-changing materials (PCM for latent heat storage and translucent aerogel particles for thermal insulation.

  7. Teachers’ Perceptions of the Problems faced in the Teaching of History in Senior High Schools

    Directory of Open Access Journals (Sweden)

    Gideon Boadu

    2016-07-01

    Full Text Available History is an important school subject which conveys invaluable lessons from the past and whose worth transcends regional, national and cultural boundaries. Such a subject needs to be taught well in order to make learners gain deep appreciation of the relevance of their learning. However, effective teaching of history in Ghanaian schools has long been blighted by problems and challenges that have often gone unaddressed. With little empirical literature emerging from Ghana, this study, drawing on 32 history teachers from 18 senior high schools, examined history teachers’ perceptions of the problems faced in the teaching of history in the Cape Coast metropolis and Komenda, Edina, Eguafo, Abrim district in the Central Region of Ghana. The descriptive cross-sectional research design was used for the study and data were collected through questionnaires. The study found that overloaded syllabus, insufficient human and material resources, lack of support for the subject and large classes were the major problems facing the teaching of history. Based on the findings, the study concluded that the problems confronting the teaching of history in the two districts are administrative and pedagogical in nature. On this conclusion, it was recommended, among others, that syllabus content should be integrated to make it sync with the period given for its implementation. Also, the necessary resources should be provided to enhance the teaching of the subject.

  8. Challenges facing primary school educators of English Second (or Other Language learners in the Western Cape

    Directory of Open Access Journals (Sweden)

    Julie O'Connor

    2009-05-01

    Full Text Available We were prompted by the prevalence of English Second or Other Language (ESOL learners identified by educators as having language disorders and being referred for Speech-Language Therapy. We describe challenges faced by Grade 1, 2 and 3 educators at government schools in the Cape Metropolitan area who were working with such learners. Applying a mixed-methods descriptive design, a self-administered questionnaire and three focus groups were used for data collection. Educator perceptions and experiences regarding ESOL learners were described. Some participant educators at schools that were not former Model C schools had large classes, including large proportions of ESOL learners. Fur­thermore, there was a shortage of educators who were able to speak isiXhosa, the most frequently occurring first (or home language of the region's ESOL learners. Challenges faced by educators when teaching ESOL learners included learners' academic and socio-emotional difficulties and a lack of parent in­volvement in their children's education. Participant educators indicated a need for departmental, professional and parental support, and additional training and resources. Implications and recommendations for speech-language thera­pist and educator collaborations and speech-language therapists' participation in educator training were identified.

  9. Electronic health systems: challenges faced by hospital-based providers.

    Science.gov (United States)

    Agno, Christina Farala; Guo, Kristina L

    2013-01-01

    The purpose of this article is to discuss specific challenges faced by hospitals adopting the use of electronic medical records and implementing electronic health record (EHR) systems. Challenges include user and information technology support; ease of technical use and software interface capabilities; compliance; and financial, legal, workforce training, and development issues. Electronic health records are essential to preventing medical errors, increasing consumer trust and use of the health system, and improving quality and overall efficiency. Government efforts are focused on ways to accelerate the adoption and use of EHRs as a means of facilitating data sharing, protecting health information privacy and security, quickly identifying emerging public health threats, and reducing medical errors and health care costs and increasing quality of care. This article will discuss physician and nonphysician staff training before, during, and after implementation; the effective use of EHR systems' technical features; the selection of a capable and secure EHR system; and the development of collaborative system implementation. Strategies that are necessary to help health care providers achieve successful implementation of EHR systems will be addressed.

  10. Comparing Learning Outcomes of Video-Based E-Learning with Face-to-Face Lectures of Agricultural Engineering Courses in Korean Agricultural High Schools

    Science.gov (United States)

    Park, Sung Youl; Kim, Soo-Wook; Cha, Seung-Bong; Nam, Min-Woo

    2014-01-01

    This study investigated the effectiveness of e-learning by comparing the learning outcomes in conventional face-to-face lectures and e-learning methods. Two video-based e-learning contents were developed based on the rapid prototyping model and loaded onto the learning management system (LMS), which was available at http://www.greenehrd.com.…

  11. Challenges facing air management for fuel cell systems

    Energy Technology Data Exchange (ETDEWEB)

    Davis, P.B. [Department of Energy (United States); Sutton, R. [Argonne National Lab. (United States); Wagner, F.W. [Energetics Incorporated (United States)

    2000-07-01

    The U.S. Department of Energy (DOE) and the U.S. automotive industry are working cooperatively under the auspices of the Partnership for a New Generation of Vehicles (PNGV) to develop a six-passenger automobile that can achieve up to 80 mpg. while meeting customer needs and all safety and emission requirements. These partners are continuing to invest heavily in the research and development of polymer electrolyte membrane (PEM) fuel cells as a clean and efficient energy conversion system for the PNGV. A critical challenge facing fuel cell systems for the PNGV is the development of efficient, compact, cost-effective air management systems. The U.S. Department of Energy has been exploring several compressor/expander options for pressurized fuel cell systems, including scroll, toroidal intersecting vane, turbine, twin screw, and piston technologies. Each of these technologies has strengths and weaknesses regarding efficiency, pressure ratio over turndown, size and weight, and cost. This paper will present data from the U.S. Department of Energy's research and development efforts on air management systems and will discusses recent program developments resulting from an independent peer review evaluation. (author)

  12. Using Face Recognition System in Ship Protection Process

    Directory of Open Access Journals (Sweden)

    Miroslav Bača

    2006-03-01

    Full Text Available The process of security improvement is a huge problem especiallyin large ships. Terrorist attacks and everyday threatsagainst life and property destroy transport and tourist companies,especially large tourist ships. Every person on a ship can berecognized and identified using something that the personknows or by means of something the person possesses. The bestresults will be obtained by using a combination of the person'sknowledge with one biometric characteristic. Analyzing theproblem of biometrics in ITS security we can conclude that facerecognition process supported by one or two traditional biometriccharacteristics can give very good results regarding ship security.In this paper we will describe a biometric system basedon face recognition. Special focus will be given to crew member'sbiometric security in crisis situation like kidnapping, robbelyor illness.

  13. Effective Charter Schools and Charter School Systems

    Science.gov (United States)

    Lawton, Stephen B.

    2009-01-01

    The purpose of this synthesis of the literature on charter school effectiveness is to develop a research agenda on the topic and to propose action that will lead to improved performance of charter schools. To accomplish these goals, background information is first provided including: a definition of charter schools; statistics on charter schools;…

  14. Colorado School Finance Partnership: Report and Recommendations. Financing Colorado's Future: Assessing Our School Finance System

    Science.gov (United States)

    Colorado Children's Campaign, 2012

    2012-01-01

    Over the last decade, Colorado has emerged as a national leader in crafting innovative solutions for challenges facing its public school system. From implementing the Colorado Student Assessment Program (CSAP) and No Child Left Behind (NCLB) reforms to more recent legislation including standards and assessments for a preschool-through-college…

  15. Emergency face-mask removal effectiveness: a comparison of traditional and nontraditional football helmet face-mask attachment systems.

    Science.gov (United States)

    Swartz, Erik E; Belmore, Keith; Decoster, Laura C; Armstrong, Charles W

    2010-01-01

    Football helmet face-mask attachment design changes might affect the effectiveness of face-mask removal. To compare the efficiency of face-mask removal between newly designed and traditional football helmets. Controlled laboratory study. Applied biomechanics laboratory. Twenty-five certified athletic trainers. The independent variable was face-mask attachment system on 5 levels: (1) Revolution IQ with Quick Release (QR), (2) Revolution IQ with Quick Release hardware altered (QRAlt), (3) traditional (Trad), (4) traditional with hardware altered (TradAlt), and (5) ION 4D (ION). Participants removed face masks using a cordless screwdriver with a back-up cutting tool or only the cutting tool for the ION. Investigators altered face-mask hardware to unexpectedly challenge participants during removal for traditional and Revolution IQ helmets. Participants completed each condition twice in random order and were blinded to hardware alteration. Removal success, removal time, helmet motion, and rating of perceived exertion (RPE). Time and 3-dimensional helmet motion were recorded. If the face mask remained attached at 3 minutes, the trial was categorized as unsuccessful. Participants rated each trial for level of difficulty (RPE). We used repeated-measures analyses of variance (α  =  .05) with follow-up comparisons to test for differences. Removal success was 100% (48 of 48) for QR, Trad, and ION; 97.9% (47 of 48) for TradAlt; and 72.9% (35 of 48) for QRAlt. Differences in time for face-mask removal were detected (F(4,20)  =  48.87, P  =  .001), with times ranging from 33.96 ± 14.14 seconds for QR to 99.22 ± 20.53 seconds for QRAlt. Differences were found in range of motion during face-mask removal (F(4,20)  =  16.25, P  =  .001), with range of motion from 10.10° ± 3.07° for QR to 16.91° ± 5.36° for TradAlt. Differences also were detected in RPE during face-mask removal (F(4,20)  =  43.20, P  =  .001), with participants reporting average

  16. Emergency Face-Mask Removal Effectiveness: A Comparison of Traditional and Nontraditional Football Helmet Face-Mask Attachment Systems

    Science.gov (United States)

    Swartz, Erik E.; Belmore, Keith; Decoster, Laura C.; Armstrong, Charles W.

    2010-01-01

    Abstract Context: Football helmet face-mask attachment design changes might affect the effectiveness of face-mask removal. Objective: To compare the efficiency of face-mask removal between newly designed and traditional football helmets. Design: Controlled laboratory study. Setting: Applied biomechanics laboratory. Participants: Twenty-five certified athletic trainers. Intervention(s): The independent variable was face-mask attachment system on 5 levels: (1) Revolution IQ with Quick Release (QR), (2) Revolution IQ with Quick Release hardware altered (QRAlt), (3) traditional (Trad), (4) traditional with hardware altered (TradAlt), and (5) ION 4D (ION). Participants removed face masks using a cordless screwdriver with a back-up cutting tool or only the cutting tool for the ION. Investigators altered face-mask hardware to unexpectedly challenge participants during removal for traditional and Revolution IQ helmets. Participants completed each condition twice in random order and were blinded to hardware alteration. Main Outcome Measure(s): Removal success, removal time, helmet motion, and rating of perceived exertion (RPE). Time and 3-dimensional helmet motion were recorded. If the face mask remained attached at 3 minutes, the trial was categorized as unsuccessful. Participants rated each trial for level of difficulty (RPE). We used repeated-measures analyses of variance (α  =  .05) with follow-up comparisons to test for differences. Results: Removal success was 100% (48 of 48) for QR, Trad, and ION; 97.9% (47 of 48) for TradAlt; and 72.9% (35 of 48) for QRAlt. Differences in time for face-mask removal were detected (F4,20  =  48.87, P  =  .001), with times ranging from 33.96 ± 14.14 seconds for QR to 99.22 ± 20.53 seconds for QRAlt. Differences were found in range of motion during face-mask removal (F4,20  =  16.25, P  =  .001), with range of motion from 10.10° ± 3.07° for QR to 16.91° ± 5.36° for TradAlt. Differences also were detected

  17. School Funding System and Equity

    Science.gov (United States)

    Tabatadze, Shalva; Gorgadze, Natia

    2014-01-01

    The aim of this research is to study the effectiveness of general education funding system from the perspective of equal and equal educational opportunities for all in Georgia. Following the objective, the research aimed to respond three main research questions: 1. is the school financing formula effective and efficient enough to be administrated…

  18. Tablet and Face-to-Face Hybrid Professional Development: Providing Earth Systems Science Educators Authentic Research Opportunities through The GLOBE Program at Purdue University

    Science.gov (United States)

    Wegner, K.; Branch, B. D.; Smith, S. C.

    2013-12-01

    The Global Learning and Observations to Benefit the Environment (GLOBE) program is a worldwide hands-on, primary and secondary school-based science and education program (www.globe.gov). GLOBE's vision promotes and supports students, teachers and scientists to collaborate on inquiry-based authentic science investigations of the environment and the Earth system working in close partnership with NASA, NOAA and NSF Earth System Science Projects (ESSP's) in study and research about the dynamics of Earth's environment. GLOBE Partners conduct face-to-face Professional Development in more than 110 countries, providing authentic scientific research experience in five investigation areas: atmosphere, earth as a system, hydrology, land cover, and soil. This presentation will provide a sample for a new framework of Professional Development that was implemented in July 2013 at Purdue University lead by Mr. Steven Smith who has tested GLOBE training materials for future training. The presentation will demonstrate how institutions can provide educators authentic scientific research opportunities through various components, including: - Carrying out authentic research investigations - Learning how to enter their authentic research data into the GLOBE database and visualize it on the GLOBE website - Learn how to access to NASA's Earth System Science resources via GLOBE's new online 'e-Training Program' - Exploring the connections of their soil protocol measurements and the history of the soil in their area through iPad soils app - LIDAR data exposure, Hydrology data exposure

  19. South Dakota School Principals' Preferred Leadership Styles for Leading Change to Face Poverty and Discrimination

    Science.gov (United States)

    Soka, John Alex

    2011-01-01

    This quantitative research study identified perceptions regarding leadership styles of a sample of high school, middle school, and elementary school principals serving in South Dakota public and tribal/BIE (Bureau of Indian Education) schools in 2011. From 152 public school districts and 20 tribal/BIE schools, a sample of 148 school principals was…

  20. The development of the own-race advantage in school-age children: A morphing face paradigm.

    Science.gov (United States)

    Chien, Sarina Hui-Lin; Tai, Chu-Lik; Yang, Shu-Fei

    2018-01-01

    Previous studies examining the other-race effect in school-age children mostly focused on recognition memory performance. Here we investigated perceptual discriminability for Asian-like versus Caucasian-like morph faces in school-age Taiwanese children and adults. One-hundred-and-two 5- to 12-year-old children and twenty-three adults performed a sequential same/different face matching task, where they viewed an Asian- or a Caucasian-parent face followed by either the same parent face or a different morphed face (containing 15%, 30%, 45%, or 60% contribution from the other parent face) and judged if the two faces looked the same. We computed the d' as the sensitivity index for each age groups. We also analyzed the group mean rejection rates as a function of the morph level and fitted with a cumulative normal distribution function. Results showed that the adults and the oldest 11-12-year-old children exhibited a greater sensitivity (d') and a smaller discrimination threshold (μ) in the Asian-parent condition than those in the Caucasian-parent condition, indicating the presence of an own-race advantage. On the contrary, 5- to 10-year-old children showed an equal sensitivity and similar discrimination thresholds for both conditions, indicating an absence of the own-race advantage. Moreover, a gradual development in enhancing the discriminability for the Asian-parent condition was observed from age 5 to 12; however, the progression in the Caucasian-parent condition was less apparent. In sum, our findings suggest that expertise in face processing may take the entire childhood to develop, and supports the perceptual learning view of the other-race effect-the own-race advantage seen in adulthood likely reflects a result of prolonged learning specific to faces most commonly seen in one's visual environment such as own-race faces.

  1. Independent School Success Challenging the Danish Public School System

    Science.gov (United States)

    Ringsmose, Charlotte

    2013-01-01

    Denmark has had a long history of placing a high priority on education and public schooling. It is a declared goal of the Danish welfare system to provide comprehensive schooling, where children from different socioeconomic backgrounds can go to school together and have the same opportunities through education. It is also a declared goal for…

  2. Double face : Adjustable translucent system to improve thermal comfort

    NARCIS (Netherlands)

    Turrin, M.; Tenpierik, M.J.; De Ruiter, P.; Van der Spoel, W.H.; Chang Lara, C.; Heinzelmann, F.; Teuffel, P.; Van Bommel, W.

    2015-01-01

    The DoubleFace project aims at developing a new product that passively improves thermal comfort of indoor and semi-indoor spaces by means of lightweight materials for latent heat storage, while simultaneously allowing daylight to pass through as much as possible. Specifically, the project aims at

  3. Ethical aspects of face recognition systems in public places.

    NARCIS (Netherlands)

    Brey, Philip A.E.

    2004-01-01

    This essay examines ethical aspects of the use of facial recognition technology for surveillance purposes in public and semipublic areas, focusing particularly on the balance between security and privacy and civil liberties. As a case study, the FaceIt facial recognition engine of Identix

  4. Introducing systems change in the schools: the case of school luncheons and vending machines.

    Science.gov (United States)

    Suarez-Balcazar, Yolanda; Redmond, Ladonna; Kouba, Joanne; Hellwig, Maureen; Davis, Rochelle; Martinez, Louise I; Jones, Lara

    2007-06-01

    A major public health crisis facing America's society is the increase in child and youth obesity, which has seen a fourfold increase in the last four decades. Major concerns include what children eat for school lunch and what other foods are available in schools. This paper illustrates efforts towards systems change in the luncheon program and food vending machines in the Chicago Public Schools. We discuss the different factors that lead to such changes using the framework of the social ecological model and the soft systems methodology, and we analyze how the resulting innovation was implemented and evaluated. First, we present a theoretical perspective to explain factors that influence children's eating patterns from a systems approach. Second, we discuss the antecedent factors that lead to systems change. Finally, we examine challenges to systems change, such as resistance to change, different stakeholder priorities, lack of resources, institutional bureaucracy, and unrealistic funder expectations.

  5. Using an Iterative Mixed-Methods Research Design to Investigate Schools Facing Exceptionally Challenging Circumstances within Trinidad and Tobago

    Science.gov (United States)

    De Lisle, Jerome; Seunarinesingh, Krishna; Mohammed, Rhoda; Lee-Piggott, Rinnelle

    2017-01-01

    In this study, methodology and theory were linked to explicate the nature of education practice within schools facing exceptionally challenging circumstances (SFECC) in Trinidad and Tobago. The research design was an iterative quan>QUAL-quan>qual multi-method research programme, consisting of 3 independent projects linked together by overall…

  6. Formal Implementation of a Performance Evaluation Model for the Face Recognition System

    Directory of Open Access Journals (Sweden)

    Yong-Nyuo Shin

    2008-01-01

    Full Text Available Due to usability features, practical applications, and its lack of intrusiveness, face recognition technology, based on information, derived from individuals' facial features, has been attracting considerable attention recently. Reported recognition rates of commercialized face recognition systems cannot be admitted as official recognition rates, as they are based on assumptions that are beneficial to the specific system and face database. Therefore, performance evaluation methods and tools are necessary to objectively measure the accuracy and performance of any face recognition system. In this paper, we propose and formalize a performance evaluation model for the biometric recognition system, implementing an evaluation tool for face recognition systems based on the proposed model. Furthermore, we performed evaluations objectively by providing guidelines for the design and implementation of a performance evaluation system, formalizing the performance test process.

  7. There Are No Children Here: The Case of an Inner-City School Addressing Issues Facing Children and Families Living in Poverty

    Science.gov (United States)

    Sallee, Mariel; Boske, Christa

    2013-01-01

    This case is based on real-life experiences of community school members within Horner School--an inner-city public school. Specifically, the case explores challenges faced by Cathleen, a 1st-year, White, female principal, who was hired by central office to "revamp a charter school" to promote a quality education for all children. The case raises…

  8. The Waldorf Schools: An International School System.

    Science.gov (United States)

    Ogletree, Earl J.

    1979-01-01

    The focus of Waldorf education is on the developmental needs of the child. The movement has grown to 160 schools in 18 countries, including 14 in the United States. Available from Headmaster U.S.A., Post Office Box 21587, Fort Lauderdale, FL 33335; sc $4.00. (Author/MLF)

  9. e-Leadership of School Principals: Increasing School Effectiveness by a School Data Management System

    Science.gov (United States)

    Blau, Ina; Presser, Ofer

    2013-01-01

    In recent years, school management systems have become an important tool for effective e-leadership and data-based decision making. School management systems emphasize information flow and e-communication between teachers, students and parents. This study examines e-leadership by secondary-school principals through the Mashov school management…

  10. Experimental instruction in photonics for high school students: approaches to managing problems faced

    Science.gov (United States)

    Choong, Zhengyang

    2017-08-01

    Student research projects are increasingly common at the K-12 level. However, students often face difficulties in the course of their school research projects such as setting realistic timelines and expectations, handling problems stemming from a lack of self-confidence, as well as being sufficiently disciplined for sustained communication and experimentation. In this work, we explore manifestations of these problems in the context of a photonics project, characterising the spectrum of the breakdown flash from Silicon Avalanche Photodiodes. We report on the process of planning and building the setup, data collection, analysis and troubleshooting, as well as the technical and human problems at each step. Approaches that were found to be helpful in managing the aforementioned problems are discussed, including an attention to detail during experimental work, as well as communicating in a forthcoming manner. Œe former allowed for clearer planning and the setting of quantifiable proximal goals; the latter helped in motivating discipline, and also helped in the understanding of research as an iterative learning process without a clear definition of success or failure.

  11. Initial training for teachers of physical education to face reality of a school inclusion

    Directory of Open Access Journals (Sweden)

    Victor Julierme Santos da Conceição

    2009-09-01

    Full Text Available This study, had as main objective to accomplish one it analyzes about the contribution of the critical-reflexive teaching in the physical education teachers’ initial formation, as the inclusion, in common class, of students with special educational needs. So that if it could approach the intentions foreseen for this investigation, it was used the beginnings of the participant research as methodological source. Being the subjects constituted by five academic of the course of Degree in physical education, in situation of teaching practice, of Santa Maria’s Federal University. Semi-structured interview, participant observation and documental analysis, they were the used instruments and registered in field diary in a period of a school semester of the year of 2005. The data send the conclusions for the trainees’ needs to observe the educational space, based in the critical reflection, for if they involve in the decisions that are part of this context. Facing this movement as an understanding of the world to your turn, contributing to understand the current process of the students’ inclusion with special educational needs. Lifting the problematic principal that refer the formative needs of the subject.

  12. EXPLORING THE PROBLEMS FACED BY TECHNICAL SCHOOL STUDENTS IN LEARNING ENGINEERING COURSES

    Directory of Open Access Journals (Sweden)

    RAMLEE MUSTAPHA

    2014-12-01

    Full Text Available The teaching of engineering courses is relatively challenging due to the nature of the courses that are perceived as “difficult courses” by a number of students. Thus, the purpose of this action research was to explore the problems faced by electrical and electronic engineering (PKEE students studying a difficult topic–transistor. This research was also aimed at identifying the students’ attitude towards Problem-based Learning (PBL. Literature has shown that PBL could enhance students’ understanding and make the learning more meaningful. The theoretical framework of this study was based on Kemmis and Mc Taggart model. Cooperative learning method was also utilised in this study consisted of Jigsaw technique in the first and second rounds of the study. In the final round, the discussion method was used. In an action research design, a classroom is a usual research site. Thus, an engineering class of 30 Form 5 students in a Technical School was selected. The PBL method was applied in the class for a nine-week duration. Empirical data were gathered from peer assessment, observation, and pre- and post-tests. The data were described descriptively using frequency, mean and standard deviation. The main results show that the students were more interactive and their post-test result shows significant increases. In terms of the attitude towards PBL, the participants rated PBL highly. The participants also assert that the main benefits of PBL include enhancing their collaborative and problem-solving skills.

  13. Systems Thinking among School Middle Leaders

    Science.gov (United States)

    Shaked, Haim; Schechter, Chen

    2017-01-01

    Systems thinking is a holistic approach that puts the study of wholes before that of parts. This study explores systems thinking among school middle leaders--teachers who have management responsibility for a team of teachers or for an aspect of the school's work. Interviews were held with 93 school coordinators, among them year heads, heads of…

  14. Development of a School Leadership Evaluation System

    Science.gov (United States)

    Orlando, Nik

    2014-01-01

    This action research study examined the effectiveness of the process implemented by Partnerships to Uplift Communities (PUC) Schools Charter Management Organization to develop their school leader evaluation system in collaboration with current PUC school leaders. The development of the leadership evaluation system included the collective voices of…

  15. A system for tracking and recognizing pedestrian faces using a network of loosely coupled cameras

    Science.gov (United States)

    Gagnon, L.; Laliberté, F.; Foucher, S.; Branzan Albu, A.; Laurendeau, D.

    2006-05-01

    A face recognition module has been developed for an intelligent multi-camera video surveillance system. The module can recognize a pedestrian face in terms of six basic emotions and the neutral state. Face and facial features detection (eyes, nasal root, nose and mouth) are first performed using cascades of boosted classifiers. These features are used to normalize the pose and dimension of the face image. Gabor filters are then sampled on a regular grid covering the face image to build a facial feature vector that feeds a nearest neighbor classifier with a cosine distance similarity measure for facial expression interpretation and face model construction. A graphical user interface allows the user to adjust the module parameters.

  16. Multiview face detection based on position estimation over multicamera surveillance system

    Science.gov (United States)

    Huang, Ching-chun; Chou, Jay; Shiu, Jia-Hou; Wang, Sheng-Jyh

    2012-02-01

    In this paper, we propose a multi-view face detection system that locates head positions and indicates the direction of each face in 3-D space over a multi-camera surveillance system. To locate 3-D head positions, conventional methods relied on face detection in 2-D images and projected the face regions back to 3-D space for correspondence. However, the inevitable false face detection and rejection usually degrades the system performance. Instead, our system searches for the heads and face directions over the 3-D space using a sliding cube. Each searched 3-D cube is projected onto the 2-D camera views to determine the existence and direction of human faces. Moreover, a pre-process to estimate the locations of candidate targets is illustrated to speed-up the searching process over the 3-D space. In summary, our proposed method can efficiently fuse multi-camera information and suppress the ambiguity caused by detection errors. Our evaluation shows that the proposed approach can efficiently indicate the head position and face direction on real video sequences even under serious occlusion.

  17. Designing a Low-Resolution Face Recognition System for Long-Range Surveillance

    NARCIS (Netherlands)

    Peng, Y.; Spreeuwers, Lieuwe Jan; Veldhuis, Raymond N.J.

    2016-01-01

    Most face recognition systems deal well with high-resolution facial images, but perform much worse on low-resolution facial images. In low-resolution face recognition, there is a specific but realistic surveillance scenario: a surveillance camera monitoring a large area. In this scenario, usually

  18. Challenges Faced by Undergraduate Military Students at American Public University System

    Science.gov (United States)

    Machuca, Ana; Torres, Karin; Morris, Pamela; Whitley, William

    2014-01-01

    This paper will summarize some of challenges faced by military students enrolled in an associate and bachelors online program at American Public University System (APUS). The survey results on which the study is based exposed the following problems faced by military personnel: 48.7% had difficulties working around military obligations, 33.3%…

  19. Correctness and efficiency : the two faces of systems analysis

    NARCIS (Netherlands)

    Hee, van K.M.; Jansen-Vullers, M.H.; Valstar, A.

    2002-01-01

    In operations research and in computer science systems are modelled in order to determine system parameters or to derive properties ofthe systems. Although the objects of study in both disciplines have much in common their approaches are quite different and the gap between the Iwo worlds does not

  20. A Systems Approach to Rapid School Improvement

    Science.gov (United States)

    McCauley, Carlas

    2018-01-01

    To support systemic thinking about school improvement, the Center on School Turnaround at WestEd developed a framework to assist states, districts, and schools in leading and managing rapid improvement efforts. The framework, which is presented in this article, has four domains that have proved central to rapid, significant improvement: (1)…

  1. Problems facing the use of passive safety systems

    International Nuclear Information System (INIS)

    Burgazzi, L.

    2012-01-01

    This study will analyze the current state of the art in the reliability of passive systems for extensive use in future nuclear power plants. This case study uncovers the insights on the technological issues associated with the reliability of the systems based on thermal-hydraulics, for which, methods are still in developing phase. The paper is organized as follows: at first the current available methodologies are illustrated and compared, the open issues coming out from their analysis are identified. Five open issues have been identified: 1) the assessment of the uncertainties related to passive system performance; 2) the dependencies among parameters in thermo-hydraulics; 3) the integration of the passive systems within an accident sequence in combination with active systems; 4) the development of dynamic event tree to incorporate the evolution upon time of the physical processes; and 5) the comparison between active and passive systems, mainly on a functional viewpoint. For each open issue the state of the art and the outlook is presented; the relative importance of each of them within the evaluation process is presented as well. (authors)

  2. Calculation of cell face velocity of non-staggered grid system

    KAUST Repository

    Li, Wang; Yu, Bo; Wang, Xinran; Sun, Shuyu

    2012-01-01

    In this paper, the cell face velocities in the discretization of the continuity equation, the momentum equation, and the scalar equation of a non-staggered grid system are calculated and discussed. Both the momentum interpolation and the linear

  3. A Novel Technique of Supra Superficial Musculoaponeurotic System Hyaluronic Acid Injection for Lower Face Lifting

    OpenAIRE

    Sahawatwong, Sinijchaya; Sirithanabadeekul, Punyaphat; Patanajareet, Vasiyapha; Wattanakrai, Penpun; Thanasarnaksorn, Wilai

    2016-01-01

    Background: Various methods attempting to correct sagging of the lower face focus mainly on manipulation of the superficial musculoaponeurotic System. Each technique has its own limitation. The authors propose a relatively simple, conservative method utilizing hyaluronic acid injection just above the superficial musculoaponeurotic System. Objective: To address a novel hyaluronic injection technique to lift the lower face. Methods: Details of the injection techniques are described. The Positio...

  4. Two faces of entropy and information in biological systems.

    Science.gov (United States)

    Mitrokhin, Yuriy

    2014-10-21

    The article attempts to overcome the well-known paradox of contradictions between the emerging biological organization and entropy production in biological systems. It is assumed that quality, speculative correlation between entropy and antientropy processes taking place both in the past and today in the metabolic and genetic cellular systems may be perfectly authorized for adequate description of the evolution of biological organization. So far as thermodynamic entropy itself cannot compensate for the high degree of organization which exists in the cell, we discuss the mode of conjunction of positive entropy events (mutations) in the genetic systems of the past generations and the formation of organized structures of current cells. We argue that only the information which is generated in the conditions of the information entropy production (mutations and other genome reorganization) in genetic systems of the past generations provides the physical conjunction of entropy and antientropy processes separated from each other in time generations. It is readily apparent from the requirements of the Second law of thermodynamics. Copyright © 2014 Elsevier Ltd. All rights reserved.

  5. Multimodal Biometric System Based on the Recognition of Face and Both Irises

    Directory of Open Access Journals (Sweden)

    Yeong Gon Kim

    2012-09-01

    Full Text Available The performance of unimodal biometric systems (based on a single modality such as face or fingerprint has to contend with various problems, such as illumination variation, skin condition and environmental conditions, and device variations. Therefore, multimodal biometric systems have been used to overcome the limitations of unimodal biometrics and provide high accuracy recognition. In this paper, we propose a new multimodal biometric system based on score level fusion of face and both irises' recognition. Our study has the following novel features. First, the device proposed acquires images of the face and both irises simultaneously. The proposed device consists of a face camera, two iris cameras, near-infrared illuminators and cold mirrors. Second, fast and accurate iris detection is based on two circular edge detections, which are accomplished in the iris image on the basis of the size of the iris detected in the face image. Third, the combined accuracy is enhanced by combining each score for the face and both irises using a support vector machine. The experimental results show that the equal error rate for the proposed method is 0.131%, which is lower than that of face or iris recognition and other fusion methods.

  6. Understanding and Facing Discipline-Related Challenges in the English as a Foreign Language Classroom at Public Schools

    Directory of Open Access Journals (Sweden)

    Josefina Quintero Corzo

    2011-07-01

    Full Text Available Complying with school regulations and teachers' instructions is a basic principle of an excellent class; both novice and experienced teachers face challenging situations when getting into real classrooms, especially those related to classroom management. There are various reasons that explain discipline problems in public schools, as well as varied strategies beginning teachers create and try when coping with those challenges. This article reports an action research study on how this methodology helped a group of teacher-trainees overcome indiscipline in English as a foreign language classrooms at public schools, and align with professional development initiatives which focus on reflection and decision-making processes that the new Colombian policies demand from new teachers seeking a higher quality of education.

  7. The key issues facing the electricity systems of developing countries

    International Nuclear Information System (INIS)

    Oliveira, A. de

    1991-01-01

    This report covers a common project designed to investigate the major issues and possible future direction in the electricity systems of developing countries in AFRICA, ASIA and LATIN AMERICA. Individual centres each had responsibility for preparing a detailed report on the experiences and issues in their own country plus a regional report, in less detail, to cover neighbouring countries. In this disaggregated way, a picture of the whole of the developing world (with the exception of the Middle East, the problems of which are in some ways distinct from those of other developing countries) has been built up. 30 Refs.; 14 Figs.; 33 Tabs

  8. Diversity in School Performance Feedback Systems

    Science.gov (United States)

    Verhaeghe, Goedele; Schildkamp, Kim; Luyten, Hans; Valcke, Martin

    2015-01-01

    As data-based decision making is receiving increased attention in education, more and more school performance feedback systems (SPFSs) are being developed and used worldwide. These systems provide schools with data on their functioning. However, little research is available on the characteristics of the different SPFSs. Therefore, this study…

  9. Using Interactive Animations to Enhance Teaching, Learning, and Retention of Respiration Pathway Concepts in Face-to-Face and Online High School, Undergraduate, and Continuing Education Learning Environments

    Directory of Open Access Journals (Sweden)

    Sederick C. Rice

    2013-02-01

    Full Text Available One major tool set teachers/instructors can use is online interactive animations, which presents content in a way that helps pique students' interest and differentiates instructional content.  The Virtual Cell Animation Collections (VCAC, developed from the Molecular and Cellular Biology Learning Center, has developed a series of online interactive animations that provide teacher/instructors and students with immersive learning tools for studying and understanding respiration processes.  These virtual tools work as powerful instructional devices to help explain and reinforce concepts of metabolic pathways that would normally be taught traditionally using static textbook pages or by neumonic flashcards. High school, undergraduate, and continuing education students of today learn and retain knowledge differently than their predecessors.  Now teachers face new challenges and must engage and assess students, within a small window during classroom instruction, but also have the skills to provide useful content in distance learning environments.  Educators have to keep up with changing trends in education as a result of technological advances, higher student/teacher ratios, and the influence of social media on education. It is critical for teachers/instructors to be able to present content that not only keeps students interested but also helps bridge learning gaps. VCAC provides high school, undergraduate, and continuing education biology or life science teachers/instructors with classroom strategies and tools for introducing respiration content through free open source online resources. VCAC content supports the development of more inquiry-based classroom and distance-learning environments that can be facilitated by teachers/instructors, which helps improve retention of important respiration subject content and problem-based learning skills for students.

  10. In the Face of Anti-LGBQ Behaviour: Saskatchewan High School Students' Perceptions of School Climate and Consequential Impact

    Science.gov (United States)

    Morrison, Melanie A.; Jewell, Lisa; McCutcheon, Jessica; Cochrane, Donald B.

    2014-01-01

    In Canada, there is a dearth of research on school climate for lesbian, gay, bisexual, and questioning (LGBQ) students. Using social networking, 60 students from high schools in Saskatchewan participated in a climate survey. Results indicated that anti-LGBQ speech was widespread, as were other forms of harassment. The more victimization that was…

  11. Bi-Modal Face and Speech Authentication: a BioLogin Demonstration System

    OpenAIRE

    Marcel, Sébastien; Mariéthoz, Johnny; Rodriguez, Yann; Cardinaux, Fabien

    2006-01-01

    This paper presents a bi-modal (face and speech) authentication demonstration system that simulates the login of a user using its face and its voice. This demonstration is called BioLogin. It runs both on Linux and Windows and the Windows version is freely available for download. Bio\\-Login is implemented using an open source machine learning library and its machine vision package.

  12. The Changing Face of School Psychology: Trends in Data and Projections for the Future

    Science.gov (United States)

    Curtis, Michael J.; Grier, J. Elizabeth Chesno; Hunley, Sawyer A.

    2004-01-01

    Trends in data from the past to the present are described for demographic variables (gender, race and ethnicity, preparation levels, credentialing, age and experience) and ratio of students to school psychologists. School psychology in the United States will continue to be characterized as primarily Caucasian, specialist- level and female through…

  13. Vic: The Challenges Facing Schools in a Small, Newly Diverse, Catalan City

    Science.gov (United States)

    Simo, Nuria; Telford, Jon

    2012-01-01

    The arrival over the last 15 years of a substantial number of pupils of immigrant origin has presented Catalan schools with significant challenges. The schools in Vic (70 km north of Barcelona) have been at the forefront of attempts to adjust to this new multicultural reality. This article describes the results of three studies carried out by the…

  14. Tall Poppies: Bullying Behaviors Faced by Australian High-Performance School-Age Athletes

    Science.gov (United States)

    O'Neill, Maureen; Calder, Angela; Allen, Bill

    2014-01-01

    Little is known about Australian high-performance school-age athletes' experiences as victims of the tall poppy syndrome. Tall poppies are successful individuals bullied by those who are less successful in order to "normalize them." Nineteen current or previous national or international high-performance school-age athletes were…

  15. Tri-P-LETS: Changing the Face of High School Computer Science

    Science.gov (United States)

    Sherrell, Linda; Malasri, Kriangsiri; Mills, David; Thomas, Allen; Greer, James

    2012-01-01

    From 2004-2007, the University of Memphis carried out the NSF-funded Tri-P-LETS (Three P Learning Environment for Teachers and Students) project to improve local high-school computer science curricula. The project reached a total of 58 classrooms in eleven high schools emphasizing problem solving skills, programming concepts as opposed to syntax,…

  16. Mobile Learning: New Tools Flying in the Face of the Same Old Schooling

    Science.gov (United States)

    Berge, Zane L.

    2013-01-01

    Currently mobile learning is making headlines in the educational press as a possible path for transforming education, just like it has significantly changed communication in business and society generally. Technology in American schools has a decades-long history of failure compared with its use outside schooling. Until the structure and political…

  17. Fighting through Resistance: Challenges Faced by African American Women Principals in Predominately White School Settings

    Science.gov (United States)

    Jackson, Alicia D.

    2013-01-01

    African American women represented a growing proportion within the field of education in attaining leadership roles as school principals. As the numbers continued to rise slowly, African American women principals found themselves leading in diverse or even predominately White school settings. Leading in such settings encouraged African American…

  18. Holistic School Leadership: Development of Systems Thinking in School Leaders

    Science.gov (United States)

    Shaked, Haim; Schechter, Chen

    2018-01-01

    Background: Systems thinking is a holistic approach that puts the study of wholes before that of parts. It does not try to break systems down into parts in order to understand them; instead, it focuses attention on how the parts act together in networks of interactions. Purpose: This study explored the development of holistic school leadership--an…

  19. Optimizing the face Paradigm of BCI system by modified Mismatch Negative paradigm

    Directory of Open Access Journals (Sweden)

    Siejie Zhou

    2016-10-01

    Full Text Available Many recent studies have focused on improving the performance of event-related potential (ERP based brain computer interfaces (BCIs. The use of a face pattern has been shown to obtain high classification accuracies and information transfer rates (ITRs by evoking discriminative ERPs (N200 and N400 in addition to P300 potentials. Recently, it has been proved that the performance of traditional P300-based BCIs could be improved through a modification of the mismatch pattern. In this paper, a mismatch inverted face pattern (MIF-pattern was presented to improve the performance of the inverted face pattern (IF-pattern, one of the state of the art patterns used in visual-based BCI systems. Ten subjects attended in this experiment. The result showed that the mismatch inverted face pattern could evoke significantly larger vertex positive potentials (p<0.05 and N400s (p<0.05 compared to the inverted face pattern. The classification accuracy (mean accuracy is 99.58% and ITRs (mean bit rate is 27.88 bit/min of the mismatch inverted face pattern was significantly higher than that of the inverted face pattern (p<0.05.

  20. The µ-opioid system promotes visual attention to faces and eyes.

    Science.gov (United States)

    Chelnokova, Olga; Laeng, Bruno; Løseth, Guro; Eikemo, Marie; Willoch, Frode; Leknes, Siri

    2016-12-01

    Paying attention to others' faces and eyes is a cornerstone of human social behavior. The µ-opioid receptor (MOR) system, central to social reward-processing in rodents and primates, has been proposed to mediate the capacity for affiliative reward in humans. We assessed the role of the human MOR system in visual exploration of faces and eyes of conspecifics. Thirty healthy males received a novel, bidirectional battery of psychopharmacological treatment (an MOR agonist, a non-selective opioid antagonist, or placebo, on three separate days). Eye-movements were recorded while participants viewed facial photographs. We predicted that the MOR system would promote visual exploration of faces, and hypothesized that MOR agonism would increase, whereas antagonism decrease overt attention to the information-rich eye region. The expected linear effect of MOR manipulation on visual attention to the stimuli was observed, such that MOR agonism increased while antagonism decreased visual exploration of faces and overt attention to the eyes. The observed effects suggest that the human MOR system promotes overt visual attention to socially significant cues, in line with theories linking reward value to gaze control and target selection. Enhanced attention to others' faces and eyes represents a putative behavioral mechanism through which the human MOR system promotes social interest. © The Author (2016). Published by Oxford University Press. For Permissions, please email: journals.permissions@oup.com.

  1. Real-time camera-based face detection using a modified LAMSTAR neural network system

    Science.gov (United States)

    Girado, Javier I.; Sandin, Daniel J.; DeFanti, Thomas A.; Wolf, Laura K.

    2003-03-01

    This paper describes a cost-effective, real-time (640x480 at 30Hz) upright frontal face detector as part of an ongoing project to develop a video-based, tetherless 3D head position and orientation tracking system. The work is specifically targeted for auto-stereoscopic displays and projection-based virtual reality systems. The proposed face detector is based on a modified LAMSTAR neural network system. At the input stage, after achieving image normalization and equalization, a sub-window analyzes facial features using a neural network. The sub-window is segmented, and each part is fed to a neural network layer consisting of a Kohonen Self-Organizing Map (SOM). The output of the SOM neural networks are interconnected and related by correlation-links, and can hence determine the presence of a face with enough redundancy to provide a high detection rate. To avoid tracking multiple faces simultaneously, the system is initially trained to track only the face centered in a box superimposed on the display. The system is also rotationally and size invariant to a certain degree.

  2. Research on Real-Time Supervisory System for Compaction Quality in Face Rockfill Dam Engineering

    Directory of Open Access Journals (Sweden)

    Shengxiang Huang

    2018-01-01

    Full Text Available Compaction quality control in filling construction is of great significance to the stability and durability of the face rockfill dam. The conventional method of quality control mainly relies on manual process control and inspection for a limited number of test holes, which cannot meet the high requirements of modern mechanized construction and schedule anymore, with increasing of scale of face rockfill dams. There is an urgent need to propose a new quality control method of face rockfill dams during the entire compaction process. In this paper, a supervisory system based on GNSS (Global Navigation Satellite System technology, wireless data communication technology, Internet of things technology, and computer technology is developed to supervise the real-time roller compaction parameters of the working surface including rolling track, rolling times, rolling speed, thickness, and smoothness. The system obtains continuous and high-precision spatial position information of roller compaction machines through GNSS technology and then calculates the roller compaction parameter information. The compaction quality control for the face rockfill dam is achieved through the supervision of roller compaction parameters. The feasibility and robustness of the developed supervisory system are validated by a case study in the face rockfill dam of Shuibuya project in China. The practice shows that the system provides a new and effective method of process control for the construction quality of the roller compaction in dam engineering and realizes real-time, precision, and automatic supervising of roller compaction parameters and ensures better construction quality.

  3. Automated Information System for School Food Services.

    Science.gov (United States)

    Hazarika, Panna; Galligan, Stephen

    1982-01-01

    Controlling warehousing operations and food inventory, administering school cafeteria activity, and measuring the profitability of food service operations are identified as food service administrative problems. A comprehensive school food services information system developed to address these problems is described. (Author/MLF)

  4. Helical Face Gear Development Under the Enhanced Rotorcraft Drive System Program

    Science.gov (United States)

    Heath, Gregory F.; Slaughter, Stephen C.; Fisher, David J.; Lewicki, David G.; Fetty, Jason

    2011-01-01

    U.S. Army goals for the Enhanced Rotorcraft Drive System Program are to achieve a 40 percent increase in horsepower to weight ratio, a 15 dB reduction in drive system generated noise, 30 percent reduction in drive system operating, support, and acquisition cost, and 75 percent automatic detection of critical mechanical component failures. Boeing s technology transition goals are that the operational endurance level of the helical face gearing and related split-torque designs be validated to a TRL 6, and that analytical and manufacturing tools be validated. Helical face gear technology is being developed in this project to augment, and transition into, a Boeing AH-64 Block III split-torque face gear main transmission stage, to yield increased power density and reduced noise. To date, helical face gear grinding development on Northstar s new face gear grinding machine and pattern-development tests at the NASA Glenn/U.S. Army Research Laboratory have been completed and are described.

  5. The Study of Potentials and Problems in Reading Faced By the Eighth Grade Students of Junior High School

    Directory of Open Access Journals (Sweden)

    Ida Ayu Made Istri Utami

    2017-03-01

    Full Text Available Knowing students’ problems, especially in reading, is very important to design an appropriate and meaningful learning. From the problem identification, teacher can find the potency of designing and developing material to meet students’ need. Therefore, this study was aimed to identify the potentials and problems toward reading lesson faced by the eighth grade students of Junior High School. This study was based on the result of classroom observation, document study, and also checklists. The identification of potency and problems through classroom observation was done to obtain data on how existing reading material was used in teaching reading on the classroom. There was also document study to evaluate existing reading material and syllabus used for teaching reading. Then, the data from the teacher and students had been gathered by administering checklists. From the result of the study, it can be identified that the problems faced by the eighth grade students of Junior High School in reading dealt with topic selection, pictures or illustration, and reading activities, while the potency was to develop new reading material by using those problems as consideration.

  6. What is adapted in face adaptation? The neural representations of expression in the human visual system.

    Science.gov (United States)

    Fox, Christopher J; Barton, Jason J S

    2007-01-05

    The neural representation of facial expression within the human visual system is not well defined. Using an adaptation paradigm, we examined aftereffects on expression perception produced by various stimuli. Adapting to a face, which was used to create morphs between two expressions, substantially biased expression perception within the morphed faces away from the adapting expression. This adaptation was not based on low-level image properties, as a different image of the same person displaying that expression produced equally robust aftereffects. Smaller but significant aftereffects were generated by images of different individuals, irrespective of gender. Non-face visual, auditory, or verbal representations of emotion did not generate significant aftereffects. These results suggest that adaptation affects at least two neural representations of expression: one specific to the individual (not the image), and one that represents expression across different facial identities. The identity-independent aftereffect suggests the existence of a 'visual semantic' for facial expression in the human visual system.

  7. Hardware-software face detection system based on multi-block local binary patterns

    Science.gov (United States)

    Acasandrei, Laurentiu; Barriga, Angel

    2015-03-01

    Face detection is an important aspect for biometrics, video surveillance and human computer interaction. Due to the complexity of the detection algorithms any face detection system requires a huge amount of computational and memory resources. In this communication an accelerated implementation of MB LBP face detection algorithm targeting low frequency, low memory and low power embedded system is presented. The resulted implementation is time deterministic and uses a customizable AMBA IP hardware accelerator. The IP implements the kernel operations of the MB-LBP algorithm and can be used as universal accelerator for MB LBP based applications. The IP employs 8 parallel MB-LBP feature evaluators cores, uses a deterministic bandwidth, has a low area profile and the power consumption is ~95 mW on a Virtex5 XC5VLX50T. The resulted implementation acceleration gain is between 5 to 8 times, while the hardware MB-LBP feature evaluation gain is between 69 and 139 times.

  8. The Influence of Various Factors on High School Football Helmet Face Mask Removal: A Retrospective, Cross-Sectional Analysis

    Science.gov (United States)

    Swartz, Erik E; Decoster, Laura C; Norkus, Susan A; Cappaert, Thomas A

    2007-01-01

    Context: Most research on face mask removal has been performed on unused equipment. Objective: To identify and compare factors that influence the condition of helmet components and their relationship to face mask removal. Design: A cross-sectional, retrospective study. Setting: Five athletic equipment reconditioning/recertification facilities. Participants: 2584 helmets from 46 high school football teams representing 5 geographic regions. Intervention(s): Helmet characteristics (brand, model, hardware components) were recorded. Helmets were mounted and face mask removal was attempted using a cordless screwdriver. The 2004 season profiles and weather histories were obtained for each high school. Main Outcome Measure(s): Success and failure (including reason) for removal of 4 screws from the face mask were noted. Failure rates among regions, teams, reconditioning year, and screw color (type) were compared. Weather histories were compared. We conducted a discriminant analysis to determine if weather variables, region, helmet brand and model, reconditioning year, and screw color could predict successful face mask removal. Metallurgic analysis of screw samples was performed. Results: All screws were successfully removed from 2165 (84%) helmets. At least 1 screw could not be removed from 419 (16%) helmets. Significant differences were found for mean screw failure per helmet among the 5 regions, with the Midwest having the lowest failure rate (0.08 ± 0.38) and the Southern (0.33 ± 0.72), the highest. Differences were found in screw failure rates among the 46 teams (F1,45 = 9.4, P < .01). Helmets with the longest interval since last reconditioning (3 years) had the highest failure rate, 0.47 ± 0.93. Differences in success rates were found among 4 screw types (χ21,4 = 647, P < .01), with silver screws having the lowest percentage of failures (3.4%). A discriminant analysis (Λ = .932, χ214,n=2584 = 175.34, P < .001) revealed screw type to be the strongest predictor of

  9. Cooperative multisensor system for real-time face detection and tracking in uncontrolled conditions

    Science.gov (United States)

    Marchesotti, Luca; Piva, Stefano; Turolla, Andrea; Minetti, Deborah; Regazzoni, Carlo S.

    2005-03-01

    The presented work describes an innovative architecture for multi-sensor distributed video surveillance applications. The aim of the system is to track moving objects in outdoor environments with a cooperative strategy exploiting two video cameras. The system also exhibits the capacity of focusing its attention on the faces of detected pedestrians collecting snapshot frames of face images, by segmenting and tracking them over time at different resolution. The system is designed to employ two video cameras in a cooperative client/server structure: the first camera monitors the entire area of interest and detects the moving objects using change detection techniques. The detected objects are tracked over time and their position is indicated on a map representing the monitored area. The objects" coordinates are sent to the server sensor in order to point its zooming optics towards the moving object. The second camera tracks the objects at high resolution. As well as the client camera, this sensor is calibrated and the position of the object detected on the image plane reference system is translated in its coordinates referred to the same area map. In the map common reference system, data fusion techniques are applied to achieve a more precise and robust estimation of the objects" track and to perform face detection and tracking. The work novelties and strength reside in the cooperative multi-sensor approach, in the high resolution long distance tracking and in the automatic collection of biometric data such as a person face clip for recognition purposes.

  10. Face Recognition for Access Control Systems Combining Image-Difference Features Based on a Probabilistic Model

    Science.gov (United States)

    Miwa, Shotaro; Kage, Hiroshi; Hirai, Takashi; Sumi, Kazuhiko

    We propose a probabilistic face recognition algorithm for Access Control System(ACS)s. Comparing with existing ACSs using low cost IC-cards, face recognition has advantages in usability and security that it doesn't require people to hold cards over scanners and doesn't accept imposters with authorized cards. Therefore face recognition attracts more interests in security markets than IC-cards. But in security markets where low cost ACSs exist, price competition is important, and there is a limitation on the quality of available cameras and image control. Therefore ACSs using face recognition are required to handle much lower quality images, such as defocused and poor gain-controlled images than high security systems, such as immigration control. To tackle with such image quality problems we developed a face recognition algorithm based on a probabilistic model which combines a variety of image-difference features trained by Real AdaBoost with their prior probability distributions. It enables to evaluate and utilize only reliable features among trained ones during each authentication, and achieve high recognition performance rates. The field evaluation using a pseudo Access Control System installed in our office shows that the proposed system achieves a constant high recognition performance rate independent on face image qualities, that is about four times lower EER (Equal Error Rate) under a variety of image conditions than one without any prior probability distributions. On the other hand using image difference features without any prior probabilities are sensitive to image qualities. We also evaluated PCA, and it has worse, but constant performance rates because of its general optimization on overall data. Comparing with PCA, Real AdaBoost without any prior distribution performs twice better under good image conditions, but degrades to a performance as good as PCA under poor image conditions.

  11. Design of an Active Multispectral SWIR Camera System for Skin Detection and Face Verification

    Directory of Open Access Journals (Sweden)

    Holger Steiner

    2016-01-01

    Full Text Available Biometric face recognition is becoming more frequently used in different application scenarios. However, spoofing attacks with facial disguises are still a serious problem for state of the art face recognition algorithms. This work proposes an approach to face verification based on spectral signatures of material surfaces in the short wave infrared (SWIR range. They allow distinguishing authentic human skin reliably from other materials, independent of the skin type. We present the design of an active SWIR imaging system that acquires four-band multispectral image stacks in real-time. The system uses pulsed small band illumination, which allows for fast image acquisition and high spectral resolution and renders it widely independent of ambient light. After extracting the spectral signatures from the acquired images, detected faces can be verified or rejected by classifying the material as “skin” or “no-skin.” The approach is extensively evaluated with respect to both acquisition and classification performance. In addition, we present a database containing RGB and multispectral SWIR face images, as well as spectrometer measurements of a variety of subjects, which is used to evaluate our approach and will be made available to the research community by the time this work is published.

  12. Multimodal Biometric System- Fusion Of Face And Fingerprint Biometrics At Match Score Fusion Level

    Directory of Open Access Journals (Sweden)

    Grace Wangari Mwaura

    2017-04-01

    Full Text Available Biometrics has developed to be one of the most relevant technologies used in Information Technology IT security. Unimodal biometric systems have a variety of problems which decreases the performance and accuracy of these system. One way to overcome the limitations of the unimodal biometric systems is through fusion to form a multimodal biometric system. Generally biometric fusion is defined as the use of multiple types of biometric data or ways of processing the data to improve the performance of biometric systems. This paper proposes to develop a model for fusion of the face and fingerprint biometric at the match score fusion level. The face and fingerprint unimodal in the proposed model are built using scale invariant feature transform SIFT algorithm and the hamming distance to measure the distance between key points. To evaluate the performance of the multimodal system the FAR and FRR of the multimodal are compared along those of the individual unimodal systems. It has been established that the multimodal has a higher accuracy of 92.5 compared to the face unimodal system at 90 while the fingerprint unimodal system is at 82.5.

  13. Boarding school influence on self-reported concern for perceived body and face morphology in Taiwan.

    Science.gov (United States)

    Chang, Chieh Ting; Garg, Prerna; Giddon, Donald B

    2016-08-01

    To determine the influence of boarding school on self-perceived body and facial morphology, the Body Shape Questionnaire (BSQ) and exploratory questions about the orofacial area (OFA) were administered to female boarding (B) and nonboarding (NB) students at two Catholic schools in Taiwan. The mean total BSQ scores of Bs were significantly higher than NBs, with both being significantly higher than the published normative score but lower than probable bulimics with no significant B vs. NB difference in mean total OFA scores. Because the Bs were significantly taller and reported more orthodontic treatment than NBs, the possible confounding by the higher economic status of the Bs was minimized by finding similar significantly higher BSQ scores for the small number of Bs (5%) than the remaining NBs (95%) in the documented lower socio-economic school. In summary, the experience of boarding in religion-dominated schools significantly increases body image concerns of adolescent females. Copyright © 2016 Elsevier B.V. All rights reserved.

  14. Getting My Bearings, Returning to School: Issues Facing Adolescents with Traumatic Brain Injury

    Science.gov (United States)

    Schilling, Ethan J.; Getch, Yvette Q.

    2012-01-01

    Traumatic brain injury (TBI) is characterized by a blow to the head or other penetrating head injury resulting in impairment of the brain's functioning. Despite the high incidence of TBI in adolescents, many educators still consider TBI to be a low-incidence disability. In addition, school personnel often report receiving little to no pre-service…

  15. Moving toward a Coherent School Finance System

    Science.gov (United States)

    Rose, Heather

    2013-01-01

    California's current school finance system is a tangled web of funding programs, restrictions, inequities and confusion. Building a stronger finance system to benefit from resources is an important step in strengthening California's K-12 education system and better meeting the needs of its students. Gov. Brown has recently proposed the Local…

  16. Applications of PCA and SVM-PSO Based Real-Time Face Recognition System

    Directory of Open Access Journals (Sweden)

    Ming-Yuan Shieh

    2014-01-01

    Full Text Available This paper incorporates principal component analysis (PCA with support vector machine-particle swarm optimization (SVM-PSO for developing real-time face recognition systems. The integrated scheme aims to adopt the SVM-PSO method to improve the validity of PCA based image recognition systems on dynamically visual perception. The face recognition for most human-robot interaction applications is accomplished by PCA based method because of its dimensionality reduction. However, PCA based systems are only suitable for processing the faces with the same face expressions and/or under the same view directions. Since the facial feature selection process can be considered as a problem of global combinatorial optimization in machine learning, the SVM-PSO is usually used as an optimal classifier of the system. In this paper, the PSO is used to implement a feature selection, and the SVMs serve as fitness functions of the PSO for classification problems. Experimental results demonstrate that the proposed method simplifies features effectively and obtains higher classification accuracy.

  17. Review of Research on Student-Facing Learning Analytics Dashboards and Educational Recommender Systems

    Science.gov (United States)

    Bodily, Robert; Verbert, Katrien

    2017-01-01

    This article is a comprehensive literature review of student-facing learning analytics reporting systems that track learning analytics data and report it directly to students. This literature review builds on four previously conducted literature reviews in similar domains. Out of the 945 articles retrieved from databases and journals, 93 articles…

  18. Predicting Performance of a Face Recognition System Based on Image Quality

    NARCIS (Netherlands)

    Dutta, A.

    2015-01-01

    In this dissertation, we focus on several aspects of models that aim to predict performance of a face recognition system. Performance prediction models are commonly based on the following two types of performance predictor features: a) image quality features; and b) features derived solely from

  19. Accuracy of two face-bow/semi-adjustable articulator systems in transferring the maxillary occlusal cant

    Directory of Open Access Journals (Sweden)

    Nazia Nazir

    2012-01-01

    Full Text Available Context: The precision of an arbitrary face-bow in accurately transferring the orientation of the maxillary cast to the articulator has been questioned because the maxillary cast is mounted in relation to arbitrary measurements and anatomic landmarks that vary among individuals. Aim: This study was intended to evaluate the sagittal inclination of mounted maxillary casts on two semi-adjustable articulator/face-bow systems in comparison to the occlusal cant on lateral cephalograms. Materials and Methods: Maxillary casts were mounted on the Hanau and Girrbach semi-adjustable articulators following face-bow transfer with their respective face-bows. The sagittal inclination of these casts was measured in relation to the fixed horizontal reference plane using physical measurements. Occlusal cant was measured on lateral cephalograms. SPSS software (version 11.0, Chicago, IL, USA was used for statistical analysis. Repeated measures analysis of variance and Tukey′s tests were used to evaluate the results (P < 0.05. Results: Comparison of the occlusal cant on the articulators and cephalogram revealed statistically significant differences. Occlusal plane was steeper on Girrbach Artex articulator in comparison to the Hanau articulator. Conclusion: Within the limitations of this study, it was found that the sagittal inclination of the mounted maxillary cast achieved with Hanau articulator was closer to the cephalometric occlusal cant as compared to that of the Girrbach articulator. Among the two articulators and face-bow systems, the steepness of sagittal inclination was greater on Girrbach semi-adjustable articulator. Different face-bow/articulator systems could result in different orientation of the maxillary cast, resulting in variation in stability, cuspal inclines and cuspal heights.

  20. Accuracy of two face-bow/semi-adjustable articulator systems in transferring the maxillary occlusal cant.

    Science.gov (United States)

    Nazir, Nazia; Sujesh, M; Kumar, Ravi; Sreenivas, P

    2012-01-01

    The precision of an arbitrary face-bow in accurately transferring the orientation of the maxillary cast to the articulator has been questioned because the maxillary cast is mounted in relation to arbitrary measurements and anatomic landmarks that vary among individuals. This study was intended to evaluate the sagittal inclination of mounted maxillary casts on two semi-adjustable articulator/face-bow systems in comparison to the occlusal cant on lateral cephalograms. Maxillary casts were mounted on the Hanau and Girrbach semi-adjustable articulators following face-bow transfer with their respective face-bows. The sagittal inclination of these casts was measured in relation to the fixed horizontal reference plane using physical measurements. Occlusal cant was measured on lateral cephalograms. SPSS software (version 11.0, Chicago, IL, USA) was used for statistical analysis. Repeated measures analysis of variance and Tukey's tests were used to evaluate the results (P occlusal cant on the articulators and cephalogram revealed statistically significant differences. Occlusal plane was steeper on Girrbach Artex articulator in comparison to the Hanau articulator. Within the limitations of this study, it was found that the sagittal inclination of the mounted maxillary cast achieved with Hanau articulator was closer to the cephalometric occlusal cant as compared to that of the Girrbach articulator. Among the two articulators and face-bow systems, the steepness of sagittal inclination was greater on Girrbach semi-adjustable articulator. Different face-bow/articulator systems could result in different orientation of the maxillary cast, resulting in variation in stability, cuspal inclines and cuspal heights.

  1. Challenges and Specifications for Robust Face and Gait Recognition Systems for Surveillance Application

    Directory of Open Access Journals (Sweden)

    BUCIU Ioan

    2014-05-01

    Full Text Available Automated person recognition (APR based on biometric signals addresses the process of automatically recognize a person according to his physiological traits (face, voice, iris, fingerprint, ear shape, body odor, electroencephalogram – EEG, electrocardiogram, or hand geometry, or behavioural patterns (gait, signature, hand-grip, lip movement. The paper aims at briefly presenting the current challenges for two specific non-cooperative biometric approaches, namely face and gait biometrics as well as approaches that consider combination of the two in the attempt of a more robust system for accurate APR, in the context of surveillance application. Open problems from both sides are also pointed out.

  2. Financial problems facing the manufacturers of small wind energy conversion systems. Final report

    Energy Technology Data Exchange (ETDEWEB)

    Bolle, T G

    1979-11-01

    The financial barriers faced by the manufacturers of small wind energy conversion systems (SWECS) are assessed and found to be similar to those faced by other start up businesses. However, these problems are found to be aggravated by the high expectations for accelerated SWECS industry growth in the face of moderate government support and lack of investment capital. The underlying conditions of limited SWECS entrepreneur business experience, the highly competitive venture capital market, the inability of existing financial institutions to aid infant busineses and public unawareness of SWECS are reviewed. Specific manufacturer-oriented recommendations and federal, state and regulatory policy-oriented recommendations are made. In addition, the dynamics of the SWECS commercialization process are assessed and the variety of financial institutions playing a role in this process is detailed. Issues related to inflation, tax policy, regulation and federal R and D procurement policies are analyzed.

  3. Influence of Education on Disease Activity and Damage in Systemic Lupus Erythematosus: Data From the 1000 Canadian Faces of Lupus.

    Science.gov (United States)

    George, Angela; Wong-Pak, Andrew; Peschken, Christine A; Silverman, Earl; Pineau, Christian; Smith, C Douglas; Arbillaga, Hector; Zummer, Michel; Bernatsky, Sasha; Hudson, Marie; Hitchon, Carol; Fortin, Paul R; Nevskaya, Tatiana; Pope, Janet E

    2017-01-01

    To determine whether socioeconomic status assessed by education is associated with disease activity and the risk of organ damage in systemic lupus erythematosus (SLE). Data from the 1000 Canadian Faces of Lupus, a multicenter database of adult SLE patients, was used to compare education as either low (did not complete high school) or high (completed high school or further) for disease activity and damage. Education was also studied as a continuous variable. The relationships between education and SLE outcomes (any organ damage defined as a Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index [SDI] score ≥1, serious organ damage [SDI score ≥3], and end-stage renal disease) were evaluated using logistic regression analyses adjusted for age, sex, race/ethnicity, and disease duration. A total of 562 SLE patients met inclusion criteria (mean age 47 years, 91% female, and mean disease duration of 10 years); 81% had high education. The low education group was twice as likely to be work disabled (30%; P education was significantly associated with higher disease activity at enrollment into the 1000 Canadian Faces of Lupus database, after adjustment for age (at entry and at diagnosis), race/ethnicity, and sex (B 1.255 + 0.507 [SE], β = 0.115, P = 0.014). In our adjusted logistic regression models we were unable to demonstrate significant associations between education and SLE damage. Results did not change when varying the education variable. In this cohort, low education was associated cross-sectionally with higher disease activity and work disability, but not damage. © 2016, American College of Rheumatology.

  4. Characterization of ionization chambers in double face for X-ray detection systems

    International Nuclear Information System (INIS)

    Costa, Alessandro M. da; Caldas, Linda V.O.

    2000-01-01

    Two identical parallel-plate ionization chambers with collecting electrodes of different materials (in order to obtain different energy dependences), developed at Instituto de Pesquisas Energeticas e Nucleares, were tested in low energy X-radiation beams, simulating a special ionization chamber, of double face, in a Tandem system. The purpose of this work is to justify a project of a double face detection system utilizing ionization chambers in Tandem. In relation to conventional methods, this kind of system will provide more efficient and precise absorbed dose in air measurements and radiation effective energy determinations. The results obtained in relation to characteristics of short- and long-term stabilities and angular and energy dependence show that the project is feasible and very appropriate. (author)

  5. Application of 4-Face Fuel Visual Inspection System during Outage in Nuclear Power Plant

    International Nuclear Information System (INIS)

    Shin, J. C.; Kim, J. I.; Choi, C. B.; Kim, Y. C.; Kang, C. B.

    2008-01-01

    Recently, as a measure to reduce an outage duration in nuclear power plants (NPPs), a four-face fuel visual inspection system (4-FFVIS) built in 4 cameras was introduced by Ahlberg Electronics, Sweden. The 4- FFVIS is used to inspect the external appearance of irradiated fuel assemblies in order to confirm their integrity against mechanical defects and foreign materials. Until now, however, a typical one-face fuel inspection system(1-FFVIS) has been world-widely utilized in NPPs. The 1-FFVIS requires four turns with 90 degree to inspect every face of the fuel assembly, causing a relatively long inspecting time. But the 4- FFVIS allow us to inspect every face of the fuel assembly at the same time. The inspection time with the 4-FFVIS may be less than two minutes per fuel assembly, whereas that with the 1-FFVIS is about six minutes per fuel assembly. In viewpoint of this merit, the 4-FFVIS is expected to be world-widely used in the near future. In this paper, the technical requirements necessary to develop the 4-FFVIS as well as some improvements to complement the current 4-FFVIS are described

  6. Difficulties faced by eighth grade students in the learning of linear equation problems at a high school in Heredia

    Directory of Open Access Journals (Sweden)

    Gilberto Chavarría Arroyo

    2014-06-01

    Full Text Available The current article presents the results of a study that aimed to analyze the difficulties faced by eighth grade students when learning to solve algebraic problems based on linear equations with one unknown variable. The participants were learners with low average performance in mathematics at a high school in Heredia. The research followed a naturalistic paradigm and the case study method with a qualitative approach. Different techniques like class observations, questionnaires to students, non-structured interviews to teachers and interviews to the learners were applied. The research helped to identify the main causes of difficulty when learning to solve algebraic problems. Some of the causes that were identified are affective aspects, lack of previous knowledge, poor relational understanding, fatigue, diversion, reading deficiencies and misunderstanding of terminology.

  7. G-scan--mobile multiview 3-D measuring system for the analysis of the face.

    Science.gov (United States)

    Kopp, S; Kühmstedt, P; Notni, G; Geller, R

    2003-10-01

    The development of optical 3-D measuring techniques and their use in industrial quality assurance, in design, and for rapid prototyping has experienced strong growth. A large number of optical 3-D measuring methods and systems are on the market in dentistry. CAD/CAM production has become firmly established in dental medicine, not least due to the systematic introduction of the Cerec technique and the digiDent method. The scanners on which these technologies are based are designed for a relatively small measuring area. To be able to measure and three-dimensionally assess the face--and the numerous changes in the face/forehead/neck region--it was necessary to design and develop a self-calibrating measuring system with gray code for clinical use: the G-Scan measuring system. Objects up to a size of 500 x 500 x 400 mm can be acquired three-dimensionally with it, with a measuring inaccuracy of 10 to 70 microm in a typical measuring time of 15 s. The present article describes the measuring principle, the system parameters, and the features of the new measuring system, and illustrates the measuring results on 3-D displays of the face in static occlusion and in functional occlusion positions.

  8. Oxytocin effects on emotional response to others' faces via serotonin system in autism: A pilot study.

    Science.gov (United States)

    Fukai, Mina; Hirosawa, Tetsu; Kikuchi, Mitsuru; Ouchi, Yasuomi; Takahashi, Tetsuya; Yoshimura, Yuko; Miyagishi, Yoshiaki; Kosaka, Hirotaka; Yokokura, Masamichi; Yoshikawa, Etsuji; Bunai, Tomoyasu; Minabe, Yoshio

    2017-09-30

    The oxytocin (OT)-related serotonergic system is thought to play an important role in the etiology and social symptoms of autism spectrum disorder (ASD). However, no evidence exists for the relation between the prosocial effect of chronic OT administration and the brain serotonergic system. Ten male subjects with ASD were administered OT for 8-10 weeks in an open-label, single-arm, non-randomized, uncontrolled manner. Before and during the OT treatment, positron emission tomography was used with the ( 11 C)-3-amino-4-(2-[(demethylamino)methyl]phenylthio)benzonitrile( 11 C-DASB) radiotracer. Then binding of serotonin transporter ( 11 C-DASB BP ND ) was estimated. The main outcome measures were changes in 11 C-DASB BP ND and changes in the emotional response to others' faces. No significant change was found in the emotional response to others' faces after the 8-10 week OT treatment. However, the increased serotonin transporter (SERT) level in the striatum after treatment was correlated significantly with increased negative emotional response to human faces. This study revealed a relation between changes in the serotonergic system and in prosociality after chronic OT administration. Additional studies must be conducted to verify the chronic OT effects on social behavior via the serotonergic system. Copyright © 2017 Elsevier Ireland Ltd. All rights reserved.

  9. Neural systems and hormones mediating attraction to infant and child faces

    Directory of Open Access Journals (Sweden)

    Lizhu eLuo

    2015-07-01

    Full Text Available We find infant faces highly attractive as a result of specific features which Konrad Lorenz termed Kindchenschema or baby schema, and this is considered to be an important adaptive trait for promoting protective and caregiving behaviors in adults, thereby increasing the chances of infant survival. This review first examines the behavioral support for this effect and physical and behavioral factors which can influence it. It next reviews the increasing number of neuroimaging and electrophysiological studies investigating the neural circuitry underlying this baby schema effect in both parents and non-parents of both sexes. Next it considers potential hormonal contributions to the baby schema effect in both sexes and then neural effects associated with reduced responses to infant cues in post-partum depression, anxiety and drug taking. Overall the findings reviewed reveal a very extensive neural circuitry involved in our perception of cutenessin infant faces with enhanced activation compared to adult faces being found in brain regions involved in face perception, attention, emotion, empathy, memory, reward and attachment, theory of mind and also control of motor responses.Both mothers and fathers also show evidence for enhanced responses in these same neural systems when viewing their own as opposed to another child. Furthermore, responses to infant cues in many of these neural systems are reduced in mothers with post-partum depression or anxiety or have taken addictive drugs throughout pregnancy. In general reproductively active women tend to rate infant faces as cuter than men, which may reflect both heightened attention to relevant cues and a stronger activation in their brain reward circuitry. Perception of infant cuteness may also be influenced by reproductive hormones with the hypothalamic neuropeptide oxytocin being most strongly associated to date with increased attention andattractionto infant cues in both sexes.

  10. Implementation of Local Wellness Policies in Schools: Role of School Systems, School Health Councils, and Health Disparities

    Science.gov (United States)

    Hager, Erin R.; Rubio, Diana S.; Eidel, G. Stewart; Penniston, Erin S.; Lopes, Megan; Saksvig, Brit I.; Fox, Renee E.; Black, Maureen M.

    2016-01-01

    Background: Written local wellness policies (LWPs) are mandated in school systems to enhance opportunities for healthy eating/activity. LWP effectiveness relies on school-level implementation. We examined factors associated with school-level LWP implementation. Hypothesized associations included system support for school-level implementation and…

  11. Systems approach to waste governance: unpacking the challenges facing local government

    CSIR Research Space (South Africa)

    Godfrey, Linda K

    2008-09-01

    Full Text Available and Tourism (DEAT, 2007) highlighted the obstacles that are faced by local government in achieving service delivery for waste. The three identified obstacles included Financial Capacity; Institutional Capacity; Technical Capacity. 2 Opportunity cost... the systems diagrams show (Figure 2), is that without intervention by national government departments, e.g. National Treasury, Department of Provincial and Local Government, or Department of Environmental Affairs and Tourism, municipalities will be unable...

  12. Challenges facing the distribution of an artificial-intelligence-based system for nursing.

    Science.gov (United States)

    Evans, S

    1985-04-01

    The marketing and successful distribution of artificial-intelligence-based decision-support systems for nursing face special barriers and challenges. Issues that must be confronted arise particularly from the present culture of the nursing profession as well as the typical organizational structures in which nurses predominantly work. Generalizations in the literature based on the limited experience of physician-oriented artificial intelligence applications (predominantly in diagnosis and pharmacologic treatment) must be modified for applicability to other health professions.

  13. Two-step calibration method for multi-algorithm score-based face recognition systems by minimizing discrimination loss

    NARCIS (Netherlands)

    Susyanto, N.; Veldhuis, R.N.J.; Spreeuwers, L.J.; Klaassen, C.A.J.; Fierrez, J.; Li, S.Z.; Ross, A.; Veldhuis, R.; Alonso-Fernandez, F.; Bigun, J.

    2016-01-01

    We propose a new method for combining multi-algorithm score-based face recognition systems, which we call the two-step calibration method. Typically, algorithms for face recognition systems produce dependent scores. The two-step method is based on parametric copulas to handle this dependence. Its

  14. SCHOOL, CULTURE & MOVEMENT : SUBJECTS/ACTORS FACE THE TRACES OF THEIR OWN ACTIVITY WHEN CREATING ALBUMS

    Directory of Open Access Journals (Sweden)

    Nadine Pairis

    2015-04-01

    Full Text Available This article concerns pupils' activity operated from the theoretical and methodological framework of data analysis of the "process of action" (Theureau, 2004 supporting on activity tracks (what emerges from the pre-reflexive consciousness and video recordings proceeded with individual interviews questioning the actors about their work : creation of albums into two classes of cycle 2 (one of them is an experimental artistic and cultural educational classroom with the help of an author/illustrator. The understanding of pupil’s activity answers the hypothesis of getting to work with creativity (Vygotski, 1930 in studying the "school well-being", the discourse analysis (case of Ramone who, in 2013, is not involved in the album creation while in 2014 he does not want to go out for a break before having finished the activity of visual art as well as the posture of their bodies at a moment of attentive listening. The results reveal that pupils need more movement than being in stand by (Jorro, 2013; Dewey 1934, in exploring their relationship to the space children become aware of the other ones (action vs passivity. The analysis of the pupils’ activity puts into perspective the impact of the artistic and cultural practices on learnings and movement (performance of their musical tale -moving in space with big-sized illustrations-, graphic movement : not only in writing but in positioning their body to accustom them to feel it before it hurts them as means of expression and cultural fact.

  15. Problems Faced By Elementary School Second Grade English Subject Matter Teachers

    Directory of Open Access Journals (Sweden)

    Belgin Bal Incebacak

    2017-11-01

    Full Text Available The objective of thisstudy isto determine the problems experienced by subject matter teachers while instructing English lessons in the second grade of elementary school. What are the problemsfaced by English subject matter teachers when they instruct in 2nd grade lessons? In this research the descriptive modeling, which is one of the qualitative research methods, was employed. In accordance with this objective, we worked with 8 subject matter teachers from 5 different schoolsinAtakum and Ilkadim districtslocated in downtown Samsun, through easily accessible case sampling. The semi-structured “English Course Interview Form’’was applied to the teachers. In the study, descriptive survey model was employed, since it was aimed to reveal the current status of qualitative research methods.According to the results obtained from the research, the content was configured and presented under 5 themes. They were categorized as: 1. the problems experienced in classroom management, 2. the problems in physical and cognitive readiness, 3. the problems experienced in the learning and teacher process, 4. the problems seen in counseling, 5. the problems experienced in assessment and evaluation. In conclusion, the teachers stated that they had problems with managing the classroom, especially with the second grade students, whom are younger than others. It is observed that the change for teaching English at a younger age has been appropriate. Our teachersstated that they required in-service training so as to adapt to this aforementioned change.

  16. New school radon abatement systems

    International Nuclear Information System (INIS)

    Simon, R.F.; Maniscalco, P.J.

    1990-01-01

    This paper describes the methods used to develop a state-of-the-art Radon Abatement system: all aspects of design and implementation from proper sizing radon ventilation ductwork (RVD) in relationship to the amount of free air available in sub-slab aggregate, review of electrical systems with their monitoring devices from the very basic to the more sophisticated type of installation, review abatement designs for their durability and application as well as methods and techniques. Building codes will also be reviewed for commercial construction applications, spot-lighting the usage of specific materials and techniques and their impact on the industry

  17. Business School's Performance Management System Standards Design

    Science.gov (United States)

    Azis, Anton Mulyono; Simatupang, Togar M.; Wibisono, Dermawan; Basri, Mursyid Hasan

    2014-01-01

    This paper aims to compare various Performance Management Systems (PMS) for business school in order to find the strengths of each standard as inputs to design new model of PMS. There are many critical aspects and gaps notified for new model to improve performance and even recognized that self evaluation performance management is not well…

  18. Information Systems and Performance Measures in Schools.

    Science.gov (United States)

    Coleman, James S.; Karweit, Nancy L.

    Large school systems bring various administrative problems in handling scheduling, records, and avoiding making red tape casualties of students. The authors review a portion of the current use of computers to handle these problems and examine the range of activities for which computer processing could provide aid. Since automation always brings…

  19. Intercultural Development in the Romanian School System

    Science.gov (United States)

    Chircu, Elena Sorina; Negreanu, Mirela

    2010-01-01

    The present paper aims to briefly describe the manner in which intercultural education is perceived in the Romanian school system, as well as the solutions that are being proposed (mainly in the form of activities) for reconsidering and strengthening interculturality as a dimension of education. We report on the results of semi-structured…

  20. A Qualitative Case Study Comparing a Computer-Mediated Delivery System to a Face-to-Face Mediated Delivery System for Teaching Creative Writing Fiction Workshops

    Science.gov (United States)

    Daniels, Mindy A.

    2012-01-01

    The purpose of this case study was to compare the pedagogical and affective efficiency and efficacy of creative prose fiction writing workshops taught via asynchronous computer-mediated online distance education with creative prose fiction writing workshops taught face-to-face in order to better understand their operational pedagogy and…

  1. Electronic systems for the organization and planning of school

    OpenAIRE

    Vodová, Alena

    2014-01-01

    TITLE: Electronic systems for the organization and planning of school AUTHOR: Alena Vodová DEPARTMENT: The Center of School management SUPERVISOR: Ing. Petr Svoboda Ph.D. ABSTRACT: The bachelor thesis gives comprehensive overview electronic systems for organization and planning of school. Maps of species, describes their function, demonstrates the benefits, modes and applications to use in school. In the research part individuals system compares between them and validates their use in schools...

  2. Development and Initial Validation of the Student Rating of Environmental Stressors Scale: Stressors Faced by Students in Accelerated High School Curricula

    Science.gov (United States)

    Suldo, Shannon M.; Dedrick, Robert F.; Shaunessy-Dedrick, Elizabeth; Roth, Rachel A.; Ferron, John

    2015-01-01

    High school students in accelerated curricula face stressors beyond typical adolescent developmental challenges. The Student Rating of Environmental Stressors Scale (StRESS) is a self-report measure of environmental stressors appropriate for students in Advanced Placement (AP) and International Baccalaureate (IB) courses. We developed the StRESS…

  3. Template protection and its implementation in 3D face recognition systems

    Science.gov (United States)

    Zhou, Xuebing

    2007-04-01

    As biometric recognition systems are widely applied in various application areas, security and privacy risks have recently attracted the attention of the biometric community. Template protection techniques prevent stored reference data from revealing private biometric information and enhance the security of biometrics systems against attacks such as identity theft and cross matching. This paper concentrates on a template protection algorithm that merges methods from cryptography, error correction coding and biometrics. The key component of the algorithm is to convert biometric templates into binary vectors. It is shown that the binary vectors should be robust, uniformly distributed, statistically independent and collision-free so that authentication performance can be optimized and information leakage can be avoided. Depending on statistical character of the biometric template, different approaches for transforming biometric templates into compact binary vectors are presented. The proposed methods are integrated into a 3D face recognition system and tested on the 3D facial images of the FRGC database. It is shown that the resulting binary vectors provide an authentication performance that is similar to the original 3D face templates. A high security level is achieved with reasonable false acceptance and false rejection rates of the system, based on an efficient statistical analysis. The algorithm estimates the statistical character of biometric templates from a number of biometric samples in the enrollment database. For the FRGC 3D face database, the small distinction of robustness and discriminative power between the classification results under the assumption of uniquely distributed templates and the ones under the assumption of Gaussian distributed templates is shown in our tests.

  4. When health systems are barriers to health care: challenges faced by uninsured Mexican kidney patients.

    Science.gov (United States)

    Kierans, Ciara; Padilla-Altamira, Cesar; Garcia-Garcia, Guillermo; Ibarra-Hernandez, Margarita; Mercado, Francisco J

    2013-01-01

    Chronic Kidney Disease disproportionately affects the poor in Low and Middle Income Countries (LMICs). Mexico exemplifies the difficulties faced in supporting Renal Replacement Therapy (RRT) and providing equitable patient care, despite recent attempts at health reform. The objective of this study is to document the challenges faced by uninsured, poor Mexican families when attempting to access RRT. The article takes an ethnographic approach, using interviewing and observation to generate detailed accounts of the problems that accompany attempts to secure care. The study, based in the state of Jalisco, comprised interviews with patients, their caregivers, health and social care professionals, among others. Observations were carried out in both clinical and social settings. In the absence of organised health information and stable pathways to renal care, patients and their families work extraordinarily hard and at great expense to secure care in a mixed public-private healthcare system. As part of this work, they must navigate challenging health and social care environments, negotiate treatments and costs, resource and finance healthcare and manage a wide range of formal and informal health information. Examining commonalities across pathways to adequate healthcare reveals major failings in the Mexican system. These systemic problems serve to reproduce and deepen health inequalities. A system, in which the costs of renal care are disproportionately borne by those who can least afford them, faces major difficulties around the sustainability and resourcing of RRTs. Attempts to increase access to renal therapies, therefore, need to take into account the complex social and economic demands this places on those who need access most. This paper further shows that ethnographic studies of the concrete ways in which healthcare is accessed in practice provide important insights into the plight of CKD patients and so constitute an important source of evidence in that effort.

  5. Transient well flow in layered aquifer systems: the uniform well-face drawdown solution

    Science.gov (United States)

    Hemker, C. J.

    1999-11-01

    Previously a hybrid analytical-numerical solution for the general problem of computing transient well flow in vertically heterogeneous aquifers was proposed by the author. The radial component of flow was treated analytically, while the finite-difference technique was used for the vertical flow component only. In the present work the hybrid solution has been modified by replacing the previously assumed uniform well-face gradient (UWG) boundary condition in such a way that the drawdown remains uniform along the well screen. The resulting uniform well-face drawdown (UWD) solution also includes the effects of a finite diameter well, wellbore storage and a thin skin, while partial penetration and vertical heterogeneity are accommodated by the one-dimensional discretization. Solutions are proposed for well flow caused by constant, variable and slug discharges. The model was verified by comparing wellbore drawdowns and well-face flux distributions with published numerical solutions. Differences between UWG and UWD well flow will occur in all situations with vertical flow components near the well, which is demonstrated by considering: (1) partially penetrating wells in confined aquifers, (2) fully penetrating wells in unconfined aquifers with delayed response and (3) layered aquifers and leaky multiaquifer systems. The presented solution can be a powerful tool for solving many well-hydraulic problems, including well tests, flowmeter tests, slug tests and pumping tests. A computer program for the analysis of pumping tests, based on the hybrid analytical-numerical technique and UWG or UWD conditions, is available from the author.

  6. Toward fast feature adaptation and localization for real-time face recognition systems

    NARCIS (Netherlands)

    Zuo, F.; With, de P.H.N.; Ebrahimi, T.; Sikora, T.

    2003-01-01

    In a home environment, video surveillance employing face detection and recognition is attractive for new applications. Facial feature (e.g. eyes and mouth) localization in the face is an essential task for face recognition because it constitutes an indispensable step for face geometry normalization.

  7. A neoteric multidrug combination: novel approach to limited cutaneous systemic scleroderma involving the face

    Science.gov (United States)

    Kumar, M Hari; Kumar, M Siva; Kumar, Sabitha Hari; Kumar, Kingsly Selva

    2016-01-01

    Limited cutaneous scleroderma is a subtype of scleroderma limited to the skin of the face, hands, feet and forearms. We present a case of a 45-year-old woman affected by limited cutaneous systemic scleroderma involving the orofacial region and causing restricted mouth opening. The patient showed noteworthy improvement of the skin lesion by use of a combination of intralesional corticosteroid with hyaluronidase and various multiantioxidants, resulting in amelioration of her mouth opening problem. The patient gave her full informed written consent to this report being published. PMID:27033280

  8. Calculation of cell face velocity of non-staggered grid system

    KAUST Repository

    Li, Wang

    2012-07-28

    In this paper, the cell face velocities in the discretization of the continuity equation, the momentum equation, and the scalar equation of a non-staggered grid system are calculated and discussed. Both the momentum interpolation and the linear interpolation are adopted to evaluate the coefficients in the discretized momentum and scalar equations. Their performances are compared. When the linear interpolation is used to calculate the coefficients, the mass residual term in the coefficients must be dropped to maintain the accuracy and convergence rate of the solution. © Shanghai University and Springer-Verlag Berlin Heidelberg 2012.

  9. A neoteric multidrug combination: novel approach to limited cutaneous systemic scleroderma involving the face.

    Science.gov (United States)

    Kumar, M Hari; Kumar, M Siva; Kumar, Sabitha Hari; Kumar, Kingsly Selva

    2016-03-31

    Limited cutaneous scleroderma is a subtype of scleroderma limited to the skin of the face, hands, feet and forearms. We present a case of a 45-year-old woman affected by limited cutaneous systemic scleroderma involving the orofacial region and causing restricted mouth opening. The patient showed noteworthy improvement of the skin lesion by use of a combination of intralesional corticosteroid with hyaluronidase and various multiantioxidants, resulting in amelioration of her mouth opening problem. The patient gave her full informed written consent to this report being published. 2016 BMJ Publishing Group Ltd.

  10. Applied learning-based color tone mapping for face recognition in video surveillance system

    Science.gov (United States)

    Yew, Chuu Tian; Suandi, Shahrel Azmin

    2012-04-01

    In this paper, we present an applied learning-based color tone mapping technique for video surveillance system. This technique can be applied onto both color and grayscale surveillance images. The basic idea is to learn the color or intensity statistics from a training dataset of photorealistic images of the candidates appeared in the surveillance images, and remap the color or intensity of the input image so that the color or intensity statistics match those in the training dataset. It is well known that the difference in commercial surveillance cameras models, and signal processing chipsets used by different manufacturers will cause the color and intensity of the images to differ from one another, thus creating additional challenges for face recognition in video surveillance system. Using Multi-Class Support Vector Machines as the classifier on a publicly available video surveillance camera database, namely SCface database, this approach is validated and compared to the results of using holistic approach on grayscale images. The results show that this technique is suitable to improve the color or intensity quality of video surveillance system for face recognition.

  11. The effect of CBT national examination policy in terms of senior high school students’ cognitive readiness and anxiety facing mathematics tests in DIY Province

    Directory of Open Access Journals (Sweden)

    Eny Sulistyaningsih

    2016-11-01

    Full Text Available The purpose of this study was to determine the influence of CBT and PBT national examination in terms of students’ cognitive readiness and anxiety facing mathematics national examination in DIY province, the influence of major in terms of students’ cognitive readiness and anxiety facing mathematics national examination in DIY Province, and the interaction between national examination and major. This research was descriptive explorative and the method was ex-post facto. The population was all of natural and social science high school students in grade XII in DIY province. The number of sample used was 654 students The results showed that there was influence of national examination in terms of students’ cognitive readiness and anxiety facing national examination. CBT and PBT national examination did not influence the cognitive readiness facing national examination, CBT and PBT national examination influence in national examinations in terms of students’ anxiety facing national examination. The average score of the students’ anxiety facing CBT national exam was greater than that of the students’ anxiety facing PBT national examination. There was no effect caused by differences in majoring in terms of cognitive readiness and national examination math anxiety; and there was no interaction between the different types of national examinations and majors.

  12. Managing Schools as Complex Adaptive Systems: A Strategic Perspective

    Science.gov (United States)

    Fidan, Tuncer; Balci, Ali

    2017-01-01

    This conceptual study examines the analogies between schools and complex adaptive systems and identifies strategies used to manage schools as complex adaptive systems. Complex adaptive systems approach, introduced by the complexity theory, requires school administrators to develop new skills and strategies to realize their agendas in an…

  13. System Thinking Skills at the Elementary School Level

    Science.gov (United States)

    Assaraf, Orit Ben-Zvi; Orion, Nir

    2010-01-01

    This study deals with the development of system thinking skills at the elementary school level. It addresses the question of whether elementary school students can deal with complex systems. The sample included 40 4th grade students from one school in a small town in Israel. The students studied an inquiry-based earth systems curriculum that…

  14. Change the System! School Psychologist as Organizational Consultant.

    Science.gov (United States)

    Johnston, Janis Clark; Bernstein, Rhoda

    Organizational development (OD) within school systems is productive work for the school psychologist. Basic to all OD is the principle of maximizing a system's resources. Following organizational change in the business world, schools can profit greatly from system changes which address today's "people problems." Outside consultants often provide…

  15. Pedagogical discourses in Bhutanese school system

    DEFF Research Database (Denmark)

    Keller, Hanne Dauer; Utha, Karma

    2013-01-01

    In this article we distinguish between three pedagogical discourses in our analysis of the Bhutanese school system. The results point to the dominance of the traditional cognitive discourse, but occasionally the teacher's unilateral control of the teaching-learning process is shared with the stud......In this article we distinguish between three pedagogical discourses in our analysis of the Bhutanese school system. The results point to the dominance of the traditional cognitive discourse, but occasionally the teacher's unilateral control of the teaching-learning process is shared...... with the students. On a value basis the teachers agree with the pedagogical ideal of student centered learning which is in line with an experiential learning discourse. In addition students tell about how they go to the better students, rather than to the teacher, for help. This behavior, where peers are used...... as ‘teachers’, points to a third understanding of how learning is undertaken, which builds on the social ressources of the local community of practice. Despite these smaller variations, the overall picture is that the underlying discourse of the Bhutaneese school system is in accordance with a traditional...

  16. Gauging the System: Trends in School Climate Measurement and Intervention

    Science.gov (United States)

    O'Malley, Meagan; Katz, Kristin; Renshaw, Tyler L.; Furlong, Michael J.

    2011-01-01

    Researchers and educators are giving increasing scrutiny to systems-level constructs that contribute to safe, supportive, and effective schools, including school climate. School climate is a multifaceted construct that is commonly conceptualized as school community members' subjective experiences of the structural and contextual elements of a…

  17. N.Y.C. System School-Match Gaps Tracked

    Science.gov (United States)

    Sparks, Sarah D.

    2013-01-01

    The first round of this year's high-school-match notifications in New York City's massive, district-wide school choice process went out to students this month, sparking celebration, consternation, and a renewal of concerns about unequal access to the city's best schools. The Big Apple's school-matching system is certainly on a New York scale, with…

  18. Students' Perceptions of Unsafe Schools: An Ecological Systems Analysis

    Science.gov (United States)

    Hong, Jun Sung; Eamon, Mary Keegan

    2012-01-01

    In the aftermath of several school shooting incidents in recent years, students' perceptions of unsafe schools has been a major concern for parents, teachers, school officials, school practitioners, and policy-makers. Using Bronfenbrenner's ecological systems framework, we examined the micro-, meso-, and exosystem level factors associated with…

  19. Collaborative Systems Thinking: A Response to the Problems Faced by Systems Engineering's 'Middle Tier'

    Science.gov (United States)

    Phfarr, Barbara B.; So, Maria M.; Lamb, Caroline Twomey; Rhodes, Donna H.

    2009-01-01

    Experienced systems engineers are adept at more than implementing systems engineering processes: they utilize systems thinking to solve complex engineering problems. Within the space industry demographics and economic pressures are reducing the number of experienced systems engineers that will be available in the future. Collaborative systems thinking within systems engineering teams is proposed as a way to integrate systems engineers of various experience levels to handle complex systems engineering challenges. This paper uses the GOES-R Program Systems Engineering team to illustrate the enablers and barriers to team level systems thinking and to identify ways in which performance could be improved. Ways NASA could expand its engineering training to promote team-level systems thinking are proposed.

  20. Comparative Performance of Rear Facing Child Restraint Systems on the CMVSS 213 Bench and Vehicle Seats

    Science.gov (United States)

    Tylko, Suzanne; Locey, Caitlin M.; Garcia-Espana, J. Felipe; Arbogast, Kristy B.; Maltese, Matthew R.

    2013-01-01

    The purpose of this study was to compare the dynamic response of rear-facing child restraint systems (RFCRS) installed on the CMVSS 213 sled bench and a selection of vehicle seats. Thirty-six sled tests were conducted: three models of rear facing CRS with an anthropomorphic test device (ATD) representing a 12 month old child (CRABI) were affixed via lower anchors (LATCH), 3 point belt without CRS base, and 3 point belt with CRS base to one of three vehicle seats or the CMVSS 213 bench seat. All CRS were subjected to an identical sled acceleration pulse. Two types of matched pair analysis: “bench-to-vehicle” and “method of attachment” were conducted. Statistically significant differences were observed in the kinematic responses of the ATD and the CRS. This is the first study to quantify differences between the regulatory bench and vehicle seats on a system level and evaluate the influence of attachment method. Our results show that the difference in RFCRS forward excursion between 3-point belt with base and LATCH installations was between 1 and 7 percent on the bench and 22 to 76 percent on the vehicle seats. When evaluating the dynamic performance of RFCRS, the use of real vehicle seats from vehicles that commonly carry children may provide valuable insight. The findings would require further confirmation using a broader selection of RFCRS and vehicle seats, before generalizable conclusions can be drawn. PMID:24406967

  1. Non-intrusive gesture recognition system combining with face detection based on Hidden Markov Model

    Science.gov (United States)

    Jin, Jing; Wang, Yuanqing; Xu, Liujing; Cao, Liqun; Han, Lei; Zhou, Biye; Li, Minggao

    2014-11-01

    A non-intrusive gesture recognition human-machine interaction system is proposed in this paper. In order to solve the hand positioning problem which is a difficulty in current algorithms, face detection is used for the pre-processing to narrow the search area and find user's hand quickly and accurately. Hidden Markov Model (HMM) is used for gesture recognition. A certain number of basic gesture units are trained as HMM models. At the same time, an improved 8-direction feature vector is proposed and used to quantify characteristics in order to improve the detection accuracy. The proposed system can be applied in interaction equipments without special training for users, such as household interactive television

  2. A Biometric Face Recognition System Using an Algorithm Based on the Principal Component Analysis Technique

    Directory of Open Access Journals (Sweden)

    Gheorghe Gîlcă

    2015-06-01

    Full Text Available This article deals with a recognition system using an algorithm based on the Principal Component Analysis (PCA technique. The recognition system consists only of a PC and an integrated video camera. The algorithm is developed in MATLAB language and calculates the eigenfaces considered as features of the face. The PCA technique is based on the matching between the facial test image and the training prototype vectors. The mathcing score between the facial test image and the training prototype vectors is calculated between their coefficient vectors. If the matching is high, we have the best recognition. The results of the algorithm based on the PCA technique are very good, even if the person looks from one side at the video camera.

  3. An embedded face-classification system for infrared images on an FPGA

    Science.gov (United States)

    Soto, Javier E.; Figueroa, Miguel

    2014-10-01

    We present a face-classification architecture for long-wave infrared (IR) images implemented on a Field Programmable Gate Array (FPGA). The circuit is fast, compact and low power, can recognize faces in real time and be embedded in a larger image-processing and computer vision system operating locally on an IR camera. The algorithm uses Local Binary Patterns (LBP) to perform feature extraction on each IR image. First, each pixel in the image is represented as an LBP pattern that encodes the similarity between the pixel and its neighbors. Uniform LBP codes are then used to reduce the number of patterns to 59 while preserving more than 90% of the information contained in the original LBP representation. Then, the image is divided into 64 non-overlapping regions, and each region is represented as a 59-bin histogram of patterns. Finally, the algorithm concatenates all 64 regions to create a 3,776-bin spatially enhanced histogram. We reduce the dimensionality of this histogram using Linear Discriminant Analysis (LDA), which improves clustering and enables us to store an entire database of 53 subjects on-chip. During classification, the circuit applies LBP and LDA to each incoming IR image in real time, and compares the resulting feature vector to each pattern stored in the local database using the Manhattan distance. We implemented the circuit on a Xilinx Artix-7 XC7A100T FPGA and tested it with the UCHThermalFace database, which consists of 28 81 x 150-pixel images of 53 subjects in indoor and outdoor conditions. The circuit achieves a 98.6% hit ratio, trained with 16 images and tested with 12 images of each subject in the database. Using a 100 MHz clock, the circuit classifies 8,230 images per second, and consumes only 309mW.

  4. Reliability analysis and optimisation of subsea compression system facing operational covariate stresses

    International Nuclear Information System (INIS)

    Okaro, Ikenna Anthony; Tao, Longbin

    2016-01-01

    This paper proposes an enhanced Weibull-Corrosion Covariate model for reliability assessment of a system facing operational stresses. The newly developed model is applied to a Subsea Gas Compression System planned for offshore West Africa to predict its reliability index. System technical failure was modelled by developing a Weibull failure model incorporating a physically tested corrosion profile as stress in order to quantify the survival rate of the system under additional operational covariates including marine pH, temperature and pressure. Using Reliability Block Diagrams and enhanced Fusell-Vesely formulations, the whole system was systematically decomposed to sub-systems to analyse the criticality of each component and optimise them. Human reliability was addressed using an enhanced barrier weighting method. A rapid degradation curve is obtained on a subsea system relative to the base case subjected to a time-dependent corrosion stress factor. It reveals that subsea system components failed faster than their Mean time to failure specifications from Offshore Reliability Database as a result of cumulative marine stresses exertion. The case study demonstrated that the reliability of a subsea system can be systematically optimised by modelling the system under higher technical and organisational stresses, prioritising the critical sub-systems and making befitting provisions for redundancy and tolerances. - Highlights: • Novel Weibull Corrosion-Covariate model for reliability analysis of subsea assets. • Predict the accelerated degradation profile of a subsea gas compression. • An enhanced optimisation method based on Fusell-Vesely decomposition process. • New optimisation approach for smoothening of over- and under-designed components. • Demonstrated a significant improvement in producing more realistic failure rate.

  5. Functional Brain Activation to Emotional and non-Emotional Faces in Healthy Children: Evidence for Developmentally Undifferentiated Amygdala Function During the School Age Period

    Science.gov (United States)

    Pagliaccio, David; Luby, Joan L.; Gaffrey, Michael S.; Belden, Andrew C.; Botteron, Kelly N.; Harms, Michael P.; Barch, Deanna M.

    2013-01-01

    The amygdala is a key region in emotion processing. Particularly, fMRI studies have demonstrated that the amygdala is active during the viewing of emotional faces. Previous research has consistently found greater amygdala responses to fearful faces as compared to neutral faces in adults, convergent with a focus in the animal literature on the amygdala's role in fear processing. Studies have found that the amygdala also responds differentially to other facial emotion types in adults. Yet, the literature regarding when this differential amygdala responsivity develops is limited and mixed. Thus, the goal of current study was to examine amygdala responses to emotional and neutral faces in a relatively large sample of healthy school age children (N = 52). While the amygdala was active in response to emotional and neutral faces, the results do not support the hypothesis that the amygdala responds differentially to emotional faces in 7 – 12 year old children. Nonetheless, amygdala activity was correlated with the severity of subclinical depression symptoms and emotional regulation skills. Additionally, sex differences were observed in frontal, temporal, and visual regions as well as effects of pubertal development in visual regions. These findings suggest important differences in amygdala reactivity in childhood. PMID:23636982

  6. Evaluation of a microfocused ultrasound system for improving skin laxity and tightening in the lower face.

    Science.gov (United States)

    Oni, Georgette; Hoxworth, Ron; Teotia, Sumeet; Brown, Spencer; Kenkel, Jeffrey M

    2014-09-01

    The Ulthera System (Ulthera, Inc, Mesa, Arizona) employs microfocused ultrasound to cause discrete focal heating of the dermis and stimulate neocollagenesis and elastin remodeling. The authors investigated tightening and lifting of cheek tissue, improvement in jawline definition, and reduction in submental skin laxity in patients treated with the Ulthera System. A total of 103 adults were enrolled in this prospective nonrandomized clinical trial. Three-dimensional photographs obtained at baseline and 3 months posttreatment were assessed qualitatively by 3 blinded reviewers and quantitatively with AutoCAD software (Informer Technologies, Redwood City, California). The relationship between outcomes and body mass index (BMI) was examined as well. Patients rated pain during the procedure and provided subjective assessment of their outcome at 90 days. Adverse events were documented. Ninety-three patients were evaluated. Blinded reviewers observed improvement in skin laxity in 58.1% of patients. During quantitative assessments, overall improvement in skin laxity was noted in 63.6% of evaluated patients. No change was detected in 54.5% of patients whose BMI exceeded 30 kg/m2 or in 12.2% of patients whose BMI was ≤30 kg/m2. At day 90, 65.6% of patients perceived improvement in the skin laxity of the lower half of their face/neck. The average procedural pain scores for the cheek, submental, and submandibular regions were 5.68, 6.09, and 6.53, respectively. Wheals, which resolved without intervention or long-term sequelae, were reported for 3 patients. To the authors' knowledge, this is the largest clinical study of the effectiveness of the Ulthera System for rejuvenation of the lower face. At day 90, improvements were reported by two-thirds of patients and by nearly 60% of blinded reviewers. Outcomes were better in patients with BMI≤30 kg/m2. 2. © 2014 The American Society for Aesthetic Plastic Surgery, Inc.

  7. PRIMARY SCHOOL TEACHERS’ PERCEPTION ABOUT CURRICULUM 2013 ASSESSMENT SYSTEM

    Directory of Open Access Journals (Sweden)

    Ika Maryani

    2017-05-01

    Full Text Available The research is intended to find out: 1the level of primary school teacher understanding of Curriculum 2013, 2. The level of teacher understanding on the authentic assessment, 3The difficulties faced by the teacher when doing authentic assessment, and 4The effort of the teacher to solve those difficulties. In collecting the data, the researcher used questionnaires and interviews to the primary school teachers in Yogyakarta, then analyzed the data using statistic descriptive analysis technique. The results of this research showed that: a most of the teachers didn’t understand the Curriculum 2013, yet they were not given any training before; b teachers’ understanding in authentic assessment system were low; c the teacher were lack of the ability to define the  competence, indicators, learning objectives, and also arranging of assessment instrument and final report, d the teacher effort to solve those difficulties were by joining the training peer discussion, and mentoring by Education Department as well as to the higher education institution.

  8. Development of Educational Management System in Small Primary School

    Science.gov (United States)

    Alsammarry, Yupayao; Sirisuthi, Chaiyuth; Duangcharthom, Surat

    2016-01-01

    The purposes of the research were: (1) to study the factors of Educational Management System in Small Primary School; (2) to investigate current situations problems and guidelines of developing educational management in small primary school; (3) to develop Educational Management System in Small Primary School; and (4) to examine the results of…

  9. The Fourth Revolution: Family Systems in the Schools.

    Science.gov (United States)

    Woody, Robert Henley; Woody, Jennifer K.

    1994-01-01

    Identifies historical roots, public policy evolution, and legislative mandates relevant to schools meeting students' mental health needs and creating a school-family effort. To promote acceptance, the linkage between school systems and family systems theory is explained. Assessment and intervention strategies are described. (JBJ)

  10. Liquid Metals as Plasma-facing Materials for Fusion Energy Systems: From Atoms to Tokamaks

    Energy Technology Data Exchange (ETDEWEB)

    Stone, Howard A. [Princeton Univ., NJ (United States); Koel, Bruce E. [Princeton Univ., NJ (United States); Bernasek, Steven L. [Princeton Univ., NJ (United States); Carter, Emily A. [Princeton Univ., NJ (United States); Debenedetti, Pablo G. [Princeton Univ., NJ (United States); Panagiotopoulos, Athanassios Z. [Princeton Univ., NJ (United States)

    2017-06-23

    The objective of our studies was to advance our fundamental understanding of liquid metals as plasma-facing materials for fusion energy systems, with a broad scope: from atoms to tokamaks. The flow of liquid metals offers solutions to significant problems of the plasma-facing materials for fusion energy systems. Candidate metals include lithium, tin, gallium, and their eutectic combinations. However, such liquid metal solutions can only be designed efficiently if a range of scientific and engineering issues are resolved that require advances in fundamental fluid dynamics, materials science and surface science. In our research we investigated a range of significant and timely problems relevant to current and proposed engineering designs for fusion reactors, including high-heat flux configurations that are being considered by leading fusion energy groups world-wide. Using experimental and theoretical tools spanning atomistic to continuum descriptions of liquid metals, and bridging surface chemistry, wetting/dewetting and flow, our research has advanced the science and engineering of fusion energy materials and systems. Specifically, we developed a combined experimental and theoretical program to investigate flows of liquid metals in fusion-relevant geometries, including equilibrium and stability of thin-film flows, e.g. wetting and dewetting, effects of electromagnetic and thermocapillary fields on liquid metal thin-film flows, and how chemical interactions and the properties of the surface are influenced by impurities and in turn affect the surface wetting characteristics, the surface tension, and its gradients. Because high-heat flux configurations produce evaporation and sputtering, which forces rearrangement of the liquid, and any dewetting exposes the substrate to damage from the plasma, our studies addressed such evaporatively driven liquid flows and measured and simulated properties of the different bulk phases and material interfaces. The range of our studies

  11. A study of fuzzy logic ensemble system performance on face recognition problem

    Science.gov (United States)

    Polyakova, A.; Lipinskiy, L.

    2017-02-01

    Some problems are difficult to solve by using a single intelligent information technology (IIT). The ensemble of the various data mining (DM) techniques is a set of models which are able to solve the problem by itself, but the combination of which allows increasing the efficiency of the system as a whole. Using the IIT ensembles can improve the reliability and efficiency of the final decision, since it emphasizes on the diversity of its components. The new method of the intellectual informational technology ensemble design is considered in this paper. It is based on the fuzzy logic and is designed to solve the classification and regression problems. The ensemble consists of several data mining algorithms: artificial neural network, support vector machine and decision trees. These algorithms and their ensemble have been tested by solving the face recognition problems. Principal components analysis (PCA) is used for feature selection.

  12. Parent Participation in the Spanish School System: School Councils

    Science.gov (United States)

    Cobano-Delgado, Verónica

    2015-01-01

    Parents of pupils participate in the supervision and management of Spanish schools through the School Council ["Consejo Escolar"], which is the principal body through which such participation and oversight is channeled. Through it families, pupils, teachers and non-teaching staff contribute collectively to making the important decisions…

  13. CIME School on Quantum Many Body Systems

    CERN Document Server

    Rivasseau, Vincent; Solovej, Jan Philip; Spencer, Thomas

    2012-01-01

    The book is based on the lectures given at the CIME school "Quantum many body systems" held in the summer of 2010. It provides a tutorial introduction to recent advances in the mathematics of interacting systems, written by four leading experts in the field: V. Rivasseau illustrates the applications of constructive Quantum Field Theory to 2D interacting electrons and their relation to quantum gravity; R. Seiringer describes a proof of Bose-Einstein condensation in the Gross-Pitaevski limit and explains the effects of rotating traps and the emergence of lattices of quantized vortices; J.-P. Solovej gives an introduction to the theory of quantum Coulomb systems and to the functional analytic methods used to prove their thermodynamic stability; finally, T. Spencer explains the supersymmetric approach to Anderson localization and its relation to the theory of random matrices. All the lectures are characterized by their mathematical rigor combined with physical insights.

  14. SELF CONCEPT, SELF ESTEEM AND SCHOOL SYSTEM: THE STUDY OF COMPARATION BETWEEN FULLDAY SCHOOL AND HALFDAY SCHOOL IN PURWOREJO

    Directory of Open Access Journals (Sweden)

    Itsna Iftayani

    2016-06-01

    Full Text Available Abstract: Self concept and self esteem are two psychological aspects that need to be attention in learning at school because a high of self concept and self esteem can influence students success in their learning. The objective of this research is to know about the differences about  self concept and self esteem among elementary students with full day school and half day school system. The method used in this observation is comparison by comparing self concept and self esteem of elementary students with full day and half day system. The population of this research is 3 fullday Islamic elementary schools and 6 halfday Islamic elementary schools. The sample of this research is SD Islam Al-Madina as fullday school and SD Muhammadiyah Purworejo as halfday school. The data is gotten by the scale, observation, interviews and documentation. The result shows that there are no significant differences between self concept (t=0,096 with df :47  and self esteem (t=0,396 with df :47 among student who study in full day school and half day (regular school system so it means that school system doesn’t influence the quality of self concept and self esteem. Keywords: self concept, self esteem, full day school, half day school.

  15. A Comparison of the Decision Quality of Group Decisions Made in a Face-to-Face Environment with Decisions Made Using a Distributed Group Decision Support System

    National Research Council Canada - National Science Library

    Cullen, Hope

    1997-01-01

    The Air Force is increasingly turning to a team approach for decision making. When team members are geographically separated it can be expensive for them to meet in a traditional face to face setting...

  16. Face to Face

    OpenAIRE

    Robert Leckey

    2013-01-01

    This paper uses Queer theory, specifically literature on Bowers v. Hardwick, to analyze debates over legislation proposed in Quebec regarding covered faces. Queer theory sheds light on legal responses to the veil. Parliamentary debates in Quebec reconstitute the polity, notably as secular and united. The paper highlights the contradictory and unstable character of four binaries: legislative text versus social practice, act versus status, majority versus minority, and knowable versus unknowabl...

  17. Implementation of Local Wellness Policies in Schools: Role of School Systems, School Health Councils, and Health Disparities.

    Science.gov (United States)

    Hager, Erin R; Rubio, Diana S; Eidel, G Stewart; Penniston, Erin S; Lopes, Megan; Saksvig, Brit I; Fox, Renee E; Black, Maureen M

    2016-10-01

    Written local wellness policies (LWPs) are mandated in school systems to enhance opportunities for healthy eating/activity. LWP effectiveness relies on school-level implementation. We examined factors associated with school-level LWP implementation. Hypothesized associations included system support for school-level implementation and having a school-level wellness team/school health council (SHC), with stronger associations among schools without disparity enrollment (majority African-American/Hispanic or low-income students). Online surveys were administered: 24 systems (support), 1349 schools (LWP implementation, perceived system support, SHC). The state provided school demographics. Analyses included multilevel multinomial logistic regression. Response rates were 100% (systems)/55.2% (schools). Among schools, 44.0% had SHCs, 22.6% majority (≥75%) African-American/Hispanic students, and 25.5% majority (≥75%) low-income (receiving free/reduced-price meals). LWP implementation (17-items) categorized as none = 36.3%, low (1-5 items) = 36.3%, high (6+ items) = 27.4%. In adjusted models, greater likelihood of LWP implementation was observed among schools with perceived system support (high versus none relative risk ratio, RRR = 1.63, CI: 1.49, 1.78; low versus none RRR = 1.26, CI: 1.18, 1.36) and SHCs (high versus none RRR = 6.8, CI: 4.07, 11.37; low versus none RRR = 2.24, CI: 1.48, 3.39). Disparity enrollment did not moderate associations (p > .05). Schools with perceived system support and SHCs had greater likelihood of LWP implementation, with no moderating effect of disparity enrollment. SHCs/support may overcome LWP implementation obstacles related to disparities. © 2016, American School Health Association.

  18. Results of performance tests on chemical and radiation measurement systems for use at a dig-face

    International Nuclear Information System (INIS)

    Gehrke, R.J.; Lawrence, R.S.; Pawelko, R.J.

    1995-04-01

    Chemical and radiation measurement systems are being developed for use at a dig-face to provide sensing capability during the excavation of previously buried waste. it is believed that on-line dig-face characterization will reduce environmental, health, and safety risks during the cleanup of buried waste sites as well as improve the efficiency of the cleanup process. This report describes progress in the development of three measurement systems: (a) a γ/neutron monitor that scans the dig-face for high levels of radiation prior to excavation, (b) a Ge spectrometer that identifies specific radionuclides located with the γ/neutron monitor, and (c) a prompt γ neutron activation analysis (PGNAA) system that measures the presence of chlorine and chlorinated compounds often associated with hazardous waste. The Ge spectrometer and PGNAA system also will provide off-line but on-site capability of radionuclide and elemental identification of excavated waste prior to handling, treatment, transportation, or disposal

  19. School Retrofit Design Analysis System. A Microcomputer Model for School Energy Use.

    Science.gov (United States)

    Canipe, Stephen Lee

    The School Retrofit Design Analysis System (SRDAS) developed in this study provides a non-technical method for the school administrator to use in evaluating alternative energy saving retrofit and new construction design possibilities. By providing a high degree of flexibility, SRDAS is applicable to a wide range of school building and retrofit…

  20. Computers and School Nurses in a Financially Stressed School System: The Case of St. Louis

    Science.gov (United States)

    Cummings, Scott

    2013-01-01

    This article describes the incorporation of computer technology into the professional lives of school nurses. St. Louis, Missouri, a major urban school system, is the site of the study. The research describes several major impacts computer technology has on the professional responsibilities of school nurses. Computer technology not only affects…

  1. School Segregation and Its Effects on Educational Equality and Efficiency in 16 OECD Comprehensive School Systems

    Science.gov (United States)

    Benito, Ricard; Alegre, Miquel Àngel; Gonzàlez-Balletbò, Isaac

    2014-01-01

    Using PISA data for 16 Western OECD countries having comprehensive school systems, we explore the conditions under which the socioeconomic composition of schools affects educational efficiency and equality, to a greater or lesser extent. First, a multilevel analysis is applied to examine and compare the effect of school socioeconomic composition…

  2. System for face recognition under expression variations of neutral-sampled individuals using recognized expression warping and a virtual expression-face database

    Science.gov (United States)

    Petpairote, Chayanut; Madarasmi, Suthep; Chamnongthai, Kosin

    2018-01-01

    The practical identification of individuals using facial recognition techniques requires the matching of faces with specific expressions to faces from a neutral face database. A method for facial recognition under varied expressions against neutral face samples of individuals via recognition of expression warping and the use of a virtual expression-face database is proposed. In this method, facial expressions are recognized and the input expression faces are classified into facial expression groups. To aid facial recognition, the virtual expression-face database is sorted into average facial-expression shapes and by coarse- and fine-featured facial textures. Wrinkle information is also employed in classification by using a process of masking to adjust input faces to match the expression-face database. We evaluate the performance of the proposed method using the CMU multi-PIE, Cohn-Kanade, and AR expression-face databases, and we find that it provides significantly improved results in terms of face recognition accuracy compared to conventional methods and is acceptable for facial recognition under expression variation.

  3. Teachers' Performance Motivation System in Thai Primary Schools

    Science.gov (United States)

    Pasathang, Sarojn; Tesaputa, Kowat; Sataphonwong, Pattananusron

    2016-01-01

    This research aims to: 1) study the present conditions and desirable condition of the motivation systems as well as how to find methods for motivating the performance of teachers in primary schools, 2) develop a motivation system for the performance of teachers in primary schools, 3) study the effects of using the motivation system for compliance…

  4. Description and Documentation of the Dental School Dental Delivery System.

    Science.gov (United States)

    Chase, Rosen and Wallace, Inc., Alexandria, VA.

    A study was undertaken to describe and document the dental school dental delivery system using an integrated systems approach. In late 1976 and early 1977, a team of systems analysts and dental consultants visited three dental schools to observe the delivery of dental services and patient flow and to interview administrative staff and faculty.…

  5. Design and operation results of nitrogen gas baking system for KSTAR plasma facing components

    Energy Technology Data Exchange (ETDEWEB)

    Kim, Sang-Tae [National Fusion Research Institute, 113 Gwahang-ro, Yuseong-gu, Daejeon 305-806 (Korea, Republic of); Kim, Young-Jin, E-mail: k43689@nfri.re.kr [National Fusion Research Institute, 113 Gwahang-ro, Yuseong-gu, Daejeon 305-806 (Korea, Republic of); Joung, Nam-Yong; Im, Dong-Seok; Kim, Kang-Pyo; Kim, Kyung-Min; Bang, Eun-Nam; Kim, Yaung-Soo [National Fusion Research Institute, 113 Gwahang-ro, Yuseong-gu, Daejeon 305-806 (Korea, Republic of); Yoo, Seong-Yeon [Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 305-764 (Korea, Republic of)

    2013-11-15

    Highlights: • Vacuum pressure in a vacuum vessel arrived at 7.24 × 10{sup −8} mbar. • PFC temperature was reached maximum 250 °C by gas temperature at 300 °C. • PFC inlet gas temperature was changed 5 °C per hour during rising and falling. • PFC gas balancing was made temperature difference among them below 8.3 °C. • System has a pre-cooler and a three-way valve to save operation energy. -- Abstract: A baking system for the Korea Superconducting Tokamak Advanced Research (KSTAR) plasma facing components (PFCs) is designed and operated to achieve vacuum pressure below 5 × 10{sup −7} mbar in vacuum vessel with removing impurities. The purpose of this research is to prevent the fracture of PFC because of thermal stress during baking the PFC, and to accomplish stable operation of the baking system with the minimum life cycle cost. The uniformity of PFC temperature in each sector was investigated, when the supply gas temperature was varied by 5 °C per hour using a heater and the three-way valve at the outlet of a compressor. The alternative of the pipe expansion owing to hot gas and the cage configuration of the three-way valve were also studied. During the fourth campaign of the KSTAR in 2011, nitrogen gas temperature rose up to 300 °C, PFC temperature reached at 250 °C, the temperature difference among PFCs was maintained at below 8.3 °C, and vacuum pressure of up to 7.24 × 10{sup −8} mbar was achieved inside the vacuum vessel.

  6. Imaging system for creating 3D block-face cryo-images of whole mice

    Science.gov (United States)

    Roy, Debashish; Breen, Michael; Salvado, Olivier; Heinzel, Meredith; McKinley, Eliot; Wilson, David

    2006-03-01

    We developed a cryomicrotome/imaging system that provides high resolution, high sensitivity block-face images of whole mice or excised organs, and applied it to a variety of biological applications. With this cryo-imaging system, we sectioned cryo-preserved tissues at 2-40 μm thickness and acquired high resolution brightfield and fluorescence images with microscopic in-plane resolution (as good as 1.2 μm). Brightfield images of normal and pathological anatomy show exquisite detail, especially in the abdominal cavity. Multi-planar reformatting and 3D renderings allow one to interrogate 3D structures. In this report, we present brightfield images of mouse anatomy, as well as 3D renderings of organs. For BPK mice model of polycystic kidney disease, we compared brightfield cryo-images and kidney volumes to MRI. The color images provided greater contrast and resolution of cysts as compared to in vivo MRI. We note that color cryo-images are closer to what a researcher sees in dissection, making it easier for them to interpret image data. The combination of field of view, depth of field, ultra high resolution and color/fluorescence contrast enables cryo-image volumes to provide details that cannot be found through in vivo imaging or other ex vivo optical imaging approaches. We believe that this novel imaging system will have applications that include identification of mouse phenotypes, characterization of diseases like blood vessel disease, kidney disease, and cancer, assessment of drug and gene therapy delivery and efficacy and validation of other imaging modalities.

  7. Different Approaches for Face Authentication as Part of a Multimodal Biometrics System

    Directory of Open Access Journals (Sweden)

    Jaromir Tovarek

    2018-01-01

    Full Text Available This paper describes different approaches for the face authentication from the features and classification abilities point of view. Authors compare two types of features - Histogram of Oriented Gradients (HOG and Local Binary Patterns (LBP including their combination. These parameters are classified using Multilayer Neural Network (MLNN and Support Vector Machines (SVM. Face authentication consists of several steps. The first step contains Viola-Jones algorithm for face detection. Authors resize the detected face for a fixed vector and afterwards, it is converted into grayscale. Next, feature extraction with a simple Min-Max normalization is applied. Obtained parameters are evaluated by classifiers and for each detected face, authors get posterior probability as the output of the classifier. Different approaches for face authentication are compared with each other using False Acceptance Rate (FAR, False Rejection Rate (FRR, Equal Error Rate (EER, Receiver Operating Characteristic (ROC and Detection Error Tradeoff (DET curves. The results are verified with AR Face Database and elaborated in a feature extraction and classifier design point of view. Best results were achieved by HOG feature for SVM classifier. Detailed results are listed in the text below.

  8. Stricter School Soda Limits Offered: Facing Lawsuit Threat, Beverage Industry Vows to Curb High-Calorie Drinks

    Science.gov (United States)

    Samuels, Christina A.

    2006-01-01

    The soft-drink industry vowed to voluntarily curb selling sugary sodas and other high-calorie beverages in schools, a move that was taken under threat of litigation by critics who see the industry as a prime culprit in a national obesity crisis. The promise offered no guarantee that schools would go along with the restrictions, though many…

  9. Educational Challenges and Diminishing Family Safety Net Faced by High-School Girls in a Slum Residence, Nairobi, Kenya

    Science.gov (United States)

    Abuya, Benta A.; Onsomu, Elijah O.; Moore, Dakysha

    2012-01-01

    In 2010, there was a slight decrease in the number of out-of school adolescents from 75 million in 2009 (UNESCO, 2009) to 71 million in 2010, of which 55% are girls (UNESCO, 2010). In Kenya, only 17% of girls have secondary education (CBS, 2004). This paper analyzes the role of families in girls' secondary education in two schools within Nairobi…

  10. Modernizing "San Antonio Independent School District v. Rodriguez": How Evolving Supreme Court Jurisprudence Changes the Face of Education Finance Litigation

    Science.gov (United States)

    Saleh, Matthew

    2011-01-01

    This article aims to "modernize" the current legal debate over inequitable public school funding at the state and local level. The 1973 Supreme Court case of "San Antonio Independent School District v. Rodriguez" established precedent, allowing for property-tax based education funding programs at the state-level--a major source…

  11. An Insight into the Challenges Faced by Academic Women with Pre-School Age Children in Academic Life

    Science.gov (United States)

    Günçavdi, Gizem; Göktürk, Söheyda; Bozoglu, Oguzhan

    2017-01-01

    This study aimed to explore the challenges academic women, especially those who were mothers of pre-school age children, went through. The main guiding question of this study was "How do academic mothers with pre-school age children survive in the academia from pregnancy through all the various stages of parenting and motherhood?". This…

  12. Is It Rational or Intuitive? Factors and Processes Affecting School Superintendents' Decisions When Facing Professional Dilemmas

    Science.gov (United States)

    Hart, Walter H.

    2018-01-01

    Given the critical impact of their decisions and of the community's perception of their performance, it is reasonable that school superintendents would seek to understand the factors that influence their decisions and the processes used to make them. The researcher in this study used a qualitative approach, interviewing 13 school superintendents…

  13. Principals, Parents and Pregnancy: A Case Study of School Leadership Practices Designed to Engage Families Facing Pregnancy

    Science.gov (United States)

    Fowler, Carla Deirdre

    2016-01-01

    This qualitative case study focused on contemporary school leadership and parental interrelationships, exploring the relationship, if any, between school leaders and the families of pregnant and parenting urban African American teen mothers in a northeastern city. The social, emotional, academic, and medical perspectives of ways families can…

  14. The changing face of oilsands mining : mobile crushing systems on the way

    Energy Technology Data Exchange (ETDEWEB)

    Cook, D.L.M.

    2007-06-15

    The mobile crushing system (MCS) is a new technology used in oil sand mining. With MCS, the crusher is moved right to the mine face where it is continuously loaded by shovel. The ore is then crushed on site and transported by a mobile conveyor for further processing. MMD Mineral Sizing (Canada) and Krupp Canada are the only 2 manufacturers that currently build MCS for the oilsands sector. Suncor, Albian Sands and Syncrude Canada are the 3 major oilsands operators currently using MCS. The benefits and challenges of MCS were presented. The use of large mobile surface mining equipment such as the MCS means that ground stability issues associated with large mobile truck and shovel mining operations will be reduced. In addition, given the current worker shortage in the mining industry, using single-stream mobile surface mining equipment means operators can reduce their labour force. However, some challenges remain. The sheer size and weight of the unit means it can deform the ground surface and sink under adverse conditions. Alternative tire and suspension concepts that may alleviate some of these stability issues are currently being researched. Other issues that may affect the performance of MCS include the oil sand density and viscosity around material flow. Syncrude Canada is considering the use of MCS technology to mitigate common oilsands-related environmental issues. It is also testing compact slurry preparation technology in which shovels will feed the oilsands directly into a MCS and then into the in-pit bitumen production system slurry equipment. The MCS unit at Suncor's mine cost $150 million. It has been running at 5,000 tonnes of ore per hour, equivalent to 15 loads of ore in the large trucks. Given the success of the unit, plans are in place for 5 more units to be in operation over the next 5 years. 4 figs.

  15. Illumination normalization based on simplified local binary patterns for a face verification system

    NARCIS (Netherlands)

    Tao, Q.; Veldhuis, Raymond N.J.

    2007-01-01

    Illumination normalization is a very important step in face recognition. In this paper we propose a simple implementation of Local Binary Patterns, which effectively reduces the variability caused by illumination changes. In combination with a likelihood ratio classifier, this illumination

  16. Strategic Issues Facing U.S. Navy Human Systems Integration Professionals

    National Research Council Canada - National Science Library

    Duehring, Jeremy L

    2007-01-01

    .... Strategic issues represent relevant challenges and problems facing this community over the next few years, including appropriate pay-back tours from officers receiving master's degrees from the NPS...

  17. Editing faces in videos

    OpenAIRE

    Amberg, Brian

    2011-01-01

    Editing faces in movies is of interest in the special effects industry. We aim at producing effects such as the addition of accessories interacting correctly with the face or replacing the face of a stuntman with the face of the main actor. The system introduced in this thesis is based on a 3D generative face model. Using a 3D model makes it possible to edit the face in the semantic space of pose, expression, and identity instead of pixel space, and due to its 3D nature allows...

  18. The Global Systems Science High School Curriculum

    Science.gov (United States)

    Gould, A. D.; Sneider, C.; Farmer, E.; Erickson, J.

    2015-12-01

    Global Systems Science (GSS), a high school integrated interdisciplinary science project based at Lawrence Hall of Science at UC Berkeley, began in the early 1990s as a single book "Planet at Risk" which was only about climate change. Federal grants enabled the project to enlist about 150 teachers to field test materials in their classes and then meeting in summer institutes to share results and effect changes. The result was a series of smaller modules dealing not only with climate change, but other related topics including energy flow, energy use, ozone, loss of biodiversity, and ecosystem change. Other relevant societal issues have also been incorporated including economics, psychology and sociology. The course has many investigations/activities for student to pursue, interviews with scientists working in specific areas of research, and historical contexts. The interconnectedness of a myriad of small and large systems became an overarching theme of the resulting course materials which are now available to teachers for free online at http://www.globalsystemsscience.org/

  19. Improving the Utilisation of Management Information Systems in Secondary Schools

    Science.gov (United States)

    Bosker, R. J.; Branderhorst, E. M.; Visscher, A. J.

    2007-01-01

    Although most secondary schools do use management information systems (MISs), these systems tend not to be used to support higher order managerial activities but are currently primarily used for clerical purposes. This situation is unsatisfactory as MISs fully utilised could offer invaluable support to schools, which are increasingly being granted…

  20. Improving School Leadership. Volume 2: Case Studies on System Leadership

    Science.gov (United States)

    Hopkins, David, Ed.; Nusche, Deborah, Ed.; Pont, Beatriz, Ed.

    2008-01-01

    This book explores what specialists are saying about system leadership for school improvement. Case studies examine innovative approaches to sharing leadership across schools in Belgium (Flanders), Finland and the United Kingdom (England) and leadership development programmes for system improvement in Australia and Austria. As these are emerging…

  1. Face to Face

    Directory of Open Access Journals (Sweden)

    Robert Leckey

    2013-12-01

    Full Text Available This paper uses Queer theory, specifically literature on Bowers v. Hardwick, to analyze debates over legislation proposed in Quebec regarding covered faces. Queer theory sheds light on legal responses to the veil. Parliamentary debates in Quebec reconstitute the polity, notably as secular and united. The paper highlights the contradictory and unstable character of four binaries: legislative text versus social practice, act versus status, majority versus minority, and knowable versus unknowable. As with contradictory propositions about homosexuality, contradiction does not undermine discourse but makes it stronger and more agile. Este artículo utiliza la teoría Queer, más concretamente la literatura sobre Bowers vs. Hardwick, para analizar los debates sobre la legislación propuesta en Quebec en relación al velo. La teoría Queer arroja luz sobre las respuestas legales al velo. Los debates parlamentarios en Quebec reconstituyen la forma de gobierno, especialmente como secular y unido. El documento pone de relieve el carácter contradictorio e inestable de cuatro binarios: texto legislativo frente a las prácticas sociales; legislación frente a estado; mayoría versus minoría; y conocible frente a incognoscible. Al igual que con las proposiciones contradictorias acerca de la homosexualidad, la contradicción no socava el discurso, sino que lo hace más fuerte y más ágil.

  2. As sutilezas das faces da violência nas práticas escolares de adolescentes The subtleties of the faces of violence in the school practices of adolescents

    Directory of Open Access Journals (Sweden)

    Luiza Mitiko Yshiguro Camacho

    2001-06-01

    Full Text Available Este artigo busca lançar um olhar sobre a vida escolar de adolescentes de classes médias e de segmentos das elites, incidindo, porém, sobre a prática de violência contra seus pares em duas escolas da cidade de Vitória-ES, sendo uma pública e outra privada. A pesquisa constituiu-se em um estudo de natureza eminentemente qualitativa, que no entanto valeu-se também de dados quantitativos. No trabalho de campo os dados foram colhidos por meio das técnicas da observação, questionário e entrevistas individuais e em grupos e, também, por meio de depoimentos e da consulta a documentos. O estudo permitiu constatar que nas duas escolas investigadas as ações socializadoras incidem muito mais sobre o aspecto pedagógico do que na proposta educativa, que é deixada em segundo plano. Onde se constata a ausência de uma ampla abrangência da socialização, a escola não funciona como retradutora dos valores sociais e termina por permitir que idéias de discriminação e preconceito, por exemplo, invadam e se estabeleçam no espaço escolar. A falta de alcance da ação socializadora até o ambiente relacional promove o aparecimento de brechas que permitem aos alunos a construção de experiências escolares, dentre elas, a experiência da violência. Com todos os encontros e desencontros entre as escolas, observou-se que o ponto decisivo de convergência entre ambas é a presença da prática da violência, ainda que, em intensidade distinta e com faces envolvidas por sutis especificidades.The proposal of this article is to cast a look upon the school life of middle and upper class adolescents focusing, however, on their practice of violence against their peers in two schools - one public, one private - in Vitória, capital of Espírito Santo, Brazil. The investigation consisted of an qualitative study, but has also used some quantitative data. In the fieldwork data was gathered through observation, questionnaires, group and individual

  3. Initial test results of the Omron face cue entry system at the University of Missouri-Rolla Reactor

    International Nuclear Information System (INIS)

    Tokuhiro, Akira T.; Vaughn, Brian J.

    2004-01-01

    The University of Missouri-Rolla Reactor facility is testing, in collaboration with Omron Transaction Systems, Inc., the Omron Face Cue facial recognition system for access control to its restricted area. The installation of this system is the first of its kind at a security-relevant facility in the U.S. and within the research reactor community. The Face Cue is an on-demand device based on facial recognition and storage technology. The image processing methodology is as follows: (1) facial position detection, (2) background elimination, (3) facial features discrimination via application of a wavelet transform. The extracted facial feature values are compared to the data archived in its database and access is provided upon meeting the authorization criteria. The current test phase consisted of assessing the functionality of the Face Cue during daily use and in terms of its robustness (flexibility) as a function of the following physical parameters: (1) subject's distance away from the Face Cue, (2) ambient lighting conditions, (3) subject's facial orientation, (4) subject's facial expression and (5) peripheral facial features/modifications. The system has operated at nearly 100% reliability during several test intervals with approximately 7,000 entry attempts to date. (author)

  4. Anxiety of School-Age Childre (10 – 12 Years) Face Menarche at Mojoroto Village Kediri City

    OpenAIRE

    Wati, Susi Erna

    2015-01-01

    Child age at ranging Elementary School 6 to 12 years, this term constitute school term. Child those are on SD's early class is child that lies on early age elongation. Early age term constitute child developing term that short but constitutes term that really necessary for its life. Therefore, on this term all proprietary potency child needs to be pushed so will optimal ala amends. Menarche constitute first menstruating that ordinary happening deep age range 10 to 12 years. All this time a ...

  5. Combining Deep and Handcrafted Image Features for Presentation Attack Detection in Face Recognition Systems Using Visible-Light Camera Sensors

    Directory of Open Access Journals (Sweden)

    Dat Tien Nguyen

    2018-02-01

    Full Text Available Although face recognition systems have wide application, they are vulnerable to presentation attack samples (fake samples. Therefore, a presentation attack detection (PAD method is required to enhance the security level of face recognition systems. Most of the previously proposed PAD methods for face recognition systems have focused on using handcrafted image features, which are designed by expert knowledge of designers, such as Gabor filter, local binary pattern (LBP, local ternary pattern (LTP, and histogram of oriented gradients (HOG. As a result, the extracted features reflect limited aspects of the problem, yielding a detection accuracy that is low and varies with the characteristics of presentation attack face images. The deep learning method has been developed in the computer vision research community, which is proven to be suitable for automatically training a feature extractor that can be used to enhance the ability of handcrafted features. To overcome the limitations of previously proposed PAD methods, we propose a new PAD method that uses a combination of deep and handcrafted features extracted from the images by visible-light camera sensor. Our proposed method uses the convolutional neural network (CNN method to extract deep image features and the multi-level local binary pattern (MLBP method to extract skin detail features from face images to discriminate the real and presentation attack face images. By combining the two types of image features, we form a new type of image features, called hybrid features, which has stronger discrimination ability than single image features. Finally, we use the support vector machine (SVM method to classify the image features into real or presentation attack class. Our experimental results indicate that our proposed method outperforms previous PAD methods by yielding the smallest error rates on the same image databases.

  6. Combining Deep and Handcrafted Image Features for Presentation Attack Detection in Face Recognition Systems Using Visible-Light Camera Sensors.

    Science.gov (United States)

    Nguyen, Dat Tien; Pham, Tuyen Danh; Baek, Na Rae; Park, Kang Ryoung

    2018-02-26

    Although face recognition systems have wide application, they are vulnerable to presentation attack samples (fake samples). Therefore, a presentation attack detection (PAD) method is required to enhance the security level of face recognition systems. Most of the previously proposed PAD methods for face recognition systems have focused on using handcrafted image features, which are designed by expert knowledge of designers, such as Gabor filter, local binary pattern (LBP), local ternary pattern (LTP), and histogram of oriented gradients (HOG). As a result, the extracted features reflect limited aspects of the problem, yielding a detection accuracy that is low and varies with the characteristics of presentation attack face images. The deep learning method has been developed in the computer vision research community, which is proven to be suitable for automatically training a feature extractor that can be used to enhance the ability of handcrafted features. To overcome the limitations of previously proposed PAD methods, we propose a new PAD method that uses a combination of deep and handcrafted features extracted from the images by visible-light camera sensor. Our proposed method uses the convolutional neural network (CNN) method to extract deep image features and the multi-level local binary pattern (MLBP) method to extract skin detail features from face images to discriminate the real and presentation attack face images. By combining the two types of image features, we form a new type of image features, called hybrid features, which has stronger discrimination ability than single image features. Finally, we use the support vector machine (SVM) method to classify the image features into real or presentation attack class. Our experimental results indicate that our proposed method outperforms previous PAD methods by yielding the smallest error rates on the same image databases.

  7. Combining Deep and Handcrafted Image Features for Presentation Attack Detection in Face Recognition Systems Using Visible-Light Camera Sensors

    Science.gov (United States)

    Nguyen, Dat Tien; Pham, Tuyen Danh; Baek, Na Rae; Park, Kang Ryoung

    2018-01-01

    Although face recognition systems have wide application, they are vulnerable to presentation attack samples (fake samples). Therefore, a presentation attack detection (PAD) method is required to enhance the security level of face recognition systems. Most of the previously proposed PAD methods for face recognition systems have focused on using handcrafted image features, which are designed by expert knowledge of designers, such as Gabor filter, local binary pattern (LBP), local ternary pattern (LTP), and histogram of oriented gradients (HOG). As a result, the extracted features reflect limited aspects of the problem, yielding a detection accuracy that is low and varies with the characteristics of presentation attack face images. The deep learning method has been developed in the computer vision research community, which is proven to be suitable for automatically training a feature extractor that can be used to enhance the ability of handcrafted features. To overcome the limitations of previously proposed PAD methods, we propose a new PAD method that uses a combination of deep and handcrafted features extracted from the images by visible-light camera sensor. Our proposed method uses the convolutional neural network (CNN) method to extract deep image features and the multi-level local binary pattern (MLBP) method to extract skin detail features from face images to discriminate the real and presentation attack face images. By combining the two types of image features, we form a new type of image features, called hybrid features, which has stronger discrimination ability than single image features. Finally, we use the support vector machine (SVM) method to classify the image features into real or presentation attack class. Our experimental results indicate that our proposed method outperforms previous PAD methods by yielding the smallest error rates on the same image databases. PMID:29495417

  8. Aluminum-doped zinc oxide thin films grown on various substrates using facing target sputtering system

    Science.gov (United States)

    Kim, Hwa-Min; Lee, Chang Hyun; Shon, Sun Young; Kim, Bong Hwan

    2017-11-01

    Aluminum-doped zinc oxide (AZO) films were fabricated on various substrates, such as glass, polyethylene naphthalate (PEN), and polyethylene terephthalate (PET), at room temperature using a facing target sputtering (FTS) system with hetero ZnO and Al2O3 targets, and their electrical and optical properties were investigated. The AZO film on glass exhibited compressive stress while the films on the plastic substrates showed tensile stress. These stresses negatively affected the crystalline quality of the AZO films, and it is suggested that the poor crystalline quality of the films may be related to the neutral Al-based defect complexes formed in the films; these complexes act as neutral impurity scattering centers. AZO films with good optoelectronic properties could be formed on the glass and plastic substrates by the FTS technique using the hetero targets. The AZO films deposited on the glass, PEN, and PET substrates showed very low resistivities, of 5.0 × 10-4 Ω cm, 7.0 × 10-4 Ω cm, and 7.4 × 10-4 Ω cm, respectively. Further, the figure merit of the AZO film formed on the PEN substrate in the visible range (400-700 nm) was significantly higher than that of the AZO film on PET and similar to that of the AZO film on glass. Finally, the average transmittances of the films in the visible range (400-700 nm) were 83.16% (on glass), 76.3% (on PEN), and 78.16% (on PET).

  9. Essential Nutrition and Food Systems Components for School Curricula: Views from Experts in Iran.

    Science.gov (United States)

    Sadegholvad, Sanaz; Yeatman, Heather; Omidvar, Nasrin; Parrish, Anne-Maree; Worsley, Anthony

    2017-07-01

    This study aimed to investigate food experts' views on important nutrition and food systems knowledge issues for education purposes at schools in Iran. In 2012, semi-structured, face-to-face or telephone interviews were conducted with twenty-eight acknowledged Iranian experts in food and nutrition fields. Participants were selected from four major provinces in Iran (Tehran, Isfahan, Fars and Gilan). Open-ended interview questions were used to identify nutrition and food systems knowledge issues, which experts considered as important to be included in school education programs. Qualitative interviews were analyzed thematically using NVivo. A framework of knowledge that would assist Iranian students and school-leavers to make informed decisions in food-related areas was developed, comprising five major clusters and several sub-clusters. Major knowledge clusters included nutrition basics; food production; every day food-related practices; prevalent nutritional health problems in Iran and improvement of students' ethical attitudes in the food domain. These findings provide a guide to curriculum developers and policy makers to assess current education curricula in order to optimize students' knowledge of nutrition and food systems.

  10. Changing Paradigms: From Schooling to Schools as Adaptive Recommendation Systems

    DEFF Research Database (Denmark)

    Christiansen, René Boyer; Gynther, Karsten; Petersen, Anne Kristine

    2017-01-01

    The paper explores a shift in education from educational systems requiring student adaptation to educational recommendation systems adapting to students’ individual needs. The paper discusses the concept of adaptation as addressed in educational research and draws on the system theory of Heinz von...... Foerster to shed light on how the educational system has used and understood adaptation. In this context, we point out two different approaches to educational adaptation: 1) students adapting to the educational system and 2) the attempt of the educational system to adapt to students through automatized...... system adaptation and recommendation systems. These different understandings constitute a design framework that is used to analyze two current trends: Adaptive learning systems and learning analytics. Finally, the paper discusses the potential of looking at adaptation as recommendation systems...

  11. Changing Paradigms: From Schooling to Schools as Adaptive Recommendation Systems

    DEFF Research Database (Denmark)

    Christiansen, René Boyer; Gynther, Karsten; Petersen, Anne Kristine

    2017-01-01

    The paper explores a shift in education from educational systems requiring student adaptation to educational recommendation systems adapting to students’ individual needs. The paper discusses the concept of adaptation as addressed in educational research and draws on the system theory of Heinz von...... system adaptation and recommendation systems. These different understandings constitute a design framework that is used to analyze two current trends: Adaptive learning systems and learning analytics. Finally, the paper discusses the potential of looking at adaptation as recommendation systems...... Foerster to shed light on how the educational system has used and understood adaptation. In this context, we point out two different approaches to educational adaptation: 1) students adapting to the educational system and 2) the attempt of the educational system to adapt to students through automatized...

  12. Is the Level of Student Academic Performance in Tennessee Public School Systems Related to Level of Expenditures for School Systems?

    Science.gov (United States)

    Leuthold, Frank O.

    The 1992 Tennessee Education Improvement Act resulted from a successful law suit by smaller and poorer school systems in Tennessee concerning equity of funding. The Act established the Basic Education Program (BEP), which increased the state sales tax rate, shifted state funds from better funded to poorer school systems, and required systematic…

  13. Changing Paradigms: From Schooling to Schools as Adaptive Recommendation Systems

    Science.gov (United States)

    Petersen, Anne Kristine; Christiansen, Rene B.; Gynther, Karsten

    2017-01-01

    The paper explores a shift in education from educational systems requiring student adaptation to educational recommendation systems adapting to students' individual needs. The paper discusses the concept of adaptation as addressed in educational research and draws on the system theory of Heinz von Foerster to shed light on how the educational…

  14. Public Higher-Education Systems Face Painful Choices as Three Northeastern States Confront Massive Deficits.

    Science.gov (United States)

    Blumenstyk, Goldie

    1989-01-01

    Massachusetts, Connecticut, and New York face giant deficits in their state budgets. The financial impact of the 1986 federal tax reform law was underestimated by colleges and income estimates were overly optimistic for 1988 and 1989. Unpopular, new taxes are seen as the way to solve the budget crunch. (MLW)

  15. A Real-Time Angle- and Illumination-Aware Face Recognition System Based on Artificial Neural Network

    Directory of Open Access Journals (Sweden)

    Hisateru Kato

    2012-01-01

    Full Text Available Automatic authentication systems, using biometric technology, are becoming increasingly important with the increased need for person verification in our daily life. A few years back, fingerprint verification was done only in criminal investigations. Now fingerprints and face images are widely used in bank tellers, airports, and building entrances. Face images are easy to obtain, but successful recognition depends on proper orientation and illumination of the image, compared to the one taken at registration time. Facial features heavily change with illumination and orientation angle, leading to increased false rejection as well as false acceptance. Registering face images for all possible angles and illumination is impossible. In this work, we proposed a memory efficient way to register (store multiple angle and changing illumination face image data, and a computationally efficient authentication technique, using multilayer perceptron (MLP. Though MLP is trained using a few registered images with different orientation, due to generalization property of MLP, interpolation of features for intermediate orientation angles was possible. The algorithm is further extended to include illumination robust authentication system. Results of extensive experiments verify the effectiveness of the proposed algorithm.

  16. Decision-Making Quandaries that Superintendents Face in Their Work in Small School Districts Building Democratic Communities

    Science.gov (United States)

    Touchton, Debra; Acker-Hocevar, Michele

    2011-01-01

    Superintendents of small school districts describe how they give voice, involve and listen to others, and solicit various publics to build democratic communities. Superintendents make sense of leadership through their constructed role, leadership orientation, and district size. Findings suggest the following when superintendents involve, listen,…

  17. Implementation of an RBF neural network on embedded systems: real-time face tracking and identity verification.

    Science.gov (United States)

    Yang, Fan; Paindavoine, M

    2003-01-01

    This paper describes a real time vision system that allows us to localize faces in video sequences and verify their identity. These processes are image processing techniques based on the radial basis function (RBF) neural network approach. The robustness of this system has been evaluated quantitatively on eight video sequences. We have adapted our model for an application of face recognition using the Olivetti Research Laboratory (ORL), Cambridge, UK, database so as to compare the performance against other systems. We also describe three hardware implementations of our model on embedded systems based on the field programmable gate array (FPGA), zero instruction set computer (ZISC) chips, and digital signal processor (DSP) TMS320C62, respectively. We analyze the algorithm complexity and present results of hardware implementations in terms of the resources used and processing speed. The success rates of face tracking and identity verification are 92% (FPGA), 85% (ZISC), and 98.2% (DSP), respectively. For the three embedded systems, the processing speeds for images size of 288 /spl times/ 352 are 14 images/s, 25 images/s, and 4.8 images/s, respectively.

  18. High-accuracy and robust face recognition system based on optical parallel correlator using a temporal image sequence

    Science.gov (United States)

    Watanabe, Eriko; Ishikawa, Mami; Ohta, Maiko; Kodate, Kashiko

    2005-09-01

    Face recognition is used in a wide range of security systems, such as monitoring credit card use, searching for individuals with street cameras via Internet and maintaining immigration control. There are still many technical subjects under study. For instance, the number of images that can be stored is limited under the current system, and the rate of recognition must be improved to account for photo shots taken at different angles under various conditions. We implemented a fully automatic Fast Face Recognition Optical Correlator (FARCO) system by using a 1000 frame/s optical parallel correlator designed and assembled by us. Operational speed for the 1: N (i.e. matching a pair of images among N, where N refers to the number of images in the database) identification experiment (4000 face images) amounts to less than 1.5 seconds, including the pre/post processing. From trial 1: N identification experiments using FARCO, we acquired low error rates of 2.6% False Reject Rate and 1.3% False Accept Rate. By making the most of the high-speed data-processing capability of this system, much more robustness can be achieved for various recognition conditions when large-category data are registered for a single person. We propose a face recognition algorithm for the FARCO while employing a temporal image sequence of moving images. Applying this algorithm to a natural posture, a two times higher recognition rate scored compared with our conventional system. The system has high potential for future use in a variety of purposes such as search for criminal suspects by use of street and airport video cameras, registration of babies at hospitals or handling of an immeasurable number of images in a database.

  19. A Novel system for the production of immobilisation face masks for radiotherapy

    International Nuclear Information System (INIS)

    Deans, T.; McKernan, B.

    2004-01-01

    Full text: Patient immobilisation is critically important for the radiation treatment of Head and Neck cancers. Immobilisation masks can be made from either thermoplastics or vacuumed polycarbonate taken from a plaster 'positive' mould. To create the positive mould, our Radiation Oncology Department has traditionally used Plaster of Paris impressions. This process is time consuming, messy and stressful for the patient. This presentation describes an alternative method for the creation of the positive mould which was developed at this hospital, which is much quicker than previous methods and which obviates all stress to the patient. The patient's face is scanned in the Department of Radiation Oncology using one of a new generation of lightweight, hand-held, laser surface scanners. This process takes a few seconds. The digital information captured by the scanner characterising the patient's face is then emailed to the Department of Medical Technology and Physics (MTP), where a software package is used to manipulate the information into a form suitable for use as input to a Computerised Numerical Control Vertical Machining Centre (CNC-VMC). The CNC-VMC then automatically mills a mould of the patient's face from a block of machineable Plaster of Paris. Two mechanical technicians have undergone specialised training in the manipulation of the data supplied by the scanner into the CNC-VMC format. Proof of principle of this method was established nearly four years ago, with the first patient face mould being produced in February 2004. Since that time more than 100 moulds for face masks have been produced. Typically moulds are delivered to Radiation Oncology within ninety minutes of an email containing patient face data being received in MTP. Approximately half of this time is used for the manipulation of the data provided, while the remaining time is used for the actual automated milling of the mould. This compares with an average time of in excess of 40 hours for

  20. Children and School Districts--Victims of the Same System.

    Science.gov (United States)

    Montoya, Renee Marie

    1978-01-01

    The Colorado school finance system, which has been sued as unconstitutional because of disparities among school district expenditures per pupil, is described. Inequalities in taxation and in the provision of education to economically disadvantaged and minority group students throughout the country are discussed. (GC)

  1. Peruvian Rural School Construction System. SERP 71: Sierra Type.

    Science.gov (United States)

    Cangiano, Miguel

    Based on cooperative action of the government and local communities, the Peruvian Rural School System (SERP 71) evolved from the necessity to reconstruct Peruvian schools of the Sierra region after the earthquake of 1970, and from Peru's new educational reform law (1970) which called for an active-dynamic pupil attitude, continuous updating of…

  2. Application of Total Quality Management System in Thai Primary Schools

    Science.gov (United States)

    Prueangphitchayathon, Setthiya; Tesaputa, Kowat; Somprach, Kanokorn

    2015-01-01

    The present study seeks to develop a total quality management (TQM) system that can be applied to primary schools. The approach focuses on customer orientation, total involvement of all constituencies and continuous improvement. TQM principles were studied and synthesized according to case studies of the best practices in 3 primary schools (small,…

  3. Review of "Spend Smart: Fix Our Broken School Funding System"

    Science.gov (United States)

    Baker, Bruce

    2011-01-01

    ConnCAN's Spend Smart: "Fix Our Broken School Funding System" was released concurrently with a bill introduced in the Connecticut legislature, based on the principles outlined in the report. However, the report is of negligible value to the policy debate over Connecticut school finance because it provides little or no support for any of…

  4. "Unhelpfully Complex and Exceedingly Opaque": Australia's School Funding System

    Science.gov (United States)

    Dowling, Andrew

    2008-01-01

    Australia's system of school funding is notoriously complex and difficult to understand. This article shines some light on this issue by describing clearly the processes of school funding that currently exist in Australia. It describes the steps taken by federal and state governments to provide over $30 billion each year to government and…

  5. Leadership Theory for School Psychologists: Leading for Systems Change

    Science.gov (United States)

    Burns, Matthew K.; Preast, June L.; Kilpatrick, Kayla D.; Taylor, Crystal N.; Young, Helen; Aguilar, Lisa; Allen, Amanda; Copeland, Christa; Haider, Aqdas; Henry, Lauren

    2017-01-01

    School psychologists are often seen as leaders in schools. They lead data teams, problem-solving teams, multidisciplinary evaluation teams, and crisis response teams. They are also perceived as leaders regarding intervention, multitiered systems of support, behavior support, collaboration, consultation, special education, assessment, and…

  6. Ideas for Changing Educational Systems, Educational Policy and Schools

    Science.gov (United States)

    Thomson, Pat; Lingard, Bob; Wrigley, Terry

    2012-01-01

    This paper argues the need for new ideas to assist in the creation of a new social imaginary post-neo-liberalism to frame rethought educational systems, policy and schooling. This is an attempt to reclaim progressive, democratic and social justice purposes for schooling well beyond dominant human capital renditions. While acknowledging the…

  7. The Embodiment of Class in the Croatian VET School System

    Science.gov (United States)

    Doolan, Karin; Lukic, Natalija; Bukovic, Nikola

    2016-01-01

    This article engages with the notion that schools embody social class in their structures and practices. We draw on Bourdieu's critical concept of "field" to describe the larger landscape of Croatian secondary schooling: a stratified system whose routes serve, and have served, to reinforce the maintenance of class (under)privilege. We…

  8. Predictors of Autism Enrollment in Public School Systems

    Science.gov (United States)

    Boswell, Katelyn; Zablotsky, Benjamin; Smith, Christopher

    2014-01-01

    With a number of disparities present in the diagnosis and treatment of children with autism spectrum disorders, the education system plays a crucial role in the provision of both these service elements. Based on school and federal census data, this article examines one state's public school autism enrollment and possible predictors of enrollment…

  9. Family Engagement: A Collaborative, Systemic Approach for Middle School Counselors

    Science.gov (United States)

    Davis, Keith M.; Lambie, Glenn W.

    2005-01-01

    Early adolescence is a period of intrapersonal and interpersonal transformation; thus, middle school counselors need to provide services that appropriately match their students' and families' developmental needs. A collaborative, systemic approach is one way that counselors can work with other school-based professionals to support…

  10. Certification Systems of Green Schools: A Comparative Analysis

    Directory of Open Access Journals (Sweden)

    Ibrahim Kocabas

    2017-12-01

    Full Text Available Sustainability is an approach that should not merely be limited to the design of buildings, but be a lifestyle adopted by posterity. Individuals ought to have the consciousness to protect and preserve the natural resources of future generations. After all, this is what will probably make studies on sustainability reach their targets. School buildings are critically important in achieving this goal in that they can enable future generations to be raised with an awareness of sustainability. This explains the reason why, in this study, the following leading green school certification systems and their criteria have been compared and examined: Leadership in Energy and Environmental Design; Collaborative for High Performance Schools; and, Building Research Establishment Environmental Assessment Method. Five schools with these certificates were taken as examples, evaluated and compared. This study, in which descriptive survey model was employed, made it clear that the standards set for green schools serve similar purposes no matter when a green school certification system originated or which countries have adopted it. However, the following variables play an important role in the success of the green school approach: attitudes of administrators; training pattern; location of the school; materials selection; and the responsibilities of educators and learners. School buildings in Turkey should further be discussed in detail with these points in mind.

  11. Information-Theoretic Evidence for Predictive Coding in the Face-Processing System.

    Science.gov (United States)

    Brodski-Guerniero, Alla; Paasch, Georg-Friedrich; Wollstadt, Patricia; Özdemir, Ipek; Lizier, Joseph T; Wibral, Michael

    2017-08-23

    Predictive coding suggests that the brain infers the causes of its sensations by combining sensory evidence with internal predictions based on available prior knowledge. However, the neurophysiological correlates of (pre)activated prior knowledge serving these predictions are still unknown. Based on the idea that such preactivated prior knowledge must be maintained until needed, we measured the amount of maintained information in neural signals via the active information storage (AIS) measure. AIS was calculated on whole-brain beamformer-reconstructed source time courses from MEG recordings of 52 human subjects during the baseline of a Mooney face/house detection task. Preactivation of prior knowledge for faces showed as α-band-related and β-band-related AIS increases in content-specific areas; these AIS increases were behaviorally relevant in the brain's fusiform face area. Further, AIS allowed decoding of the cued category on a trial-by-trial basis. Our results support accounts indicating that activated prior knowledge and the corresponding predictions are signaled in low-frequency activity (information our eyes/retina and other sensory organs receive from the outside world, but strongly depends also on information already present in our brains, such as prior knowledge about specific situations or objects. A currently popular theory in neuroscience, predictive coding theory, suggests that this prior knowledge is used by the brain to form internal predictions about upcoming sensory information. However, neurophysiological evidence for this hypothesis is rare, mostly because this kind of evidence requires strong a priori assumptions about the specific predictions the brain makes and the brain areas involved. Using a novel, assumption-free approach, we find that face-related prior knowledge and the derived predictions are represented in low-frequency brain activity. Copyright © 2017 the authors 0270-6474/17/378273-11$15.00/0.

  12. Facing the Challenge of Improving the Legal Writing Skills of Educationally Disadvantaged Law Students in a South African Law School

    Directory of Open Access Journals (Sweden)

    Angela Diane Crocker

    2018-01-01

    Full Text Available Many first-year students in the School of Law at the University of KwaZulu-Natal, Howard College, who have been disadvantaged by a poor primary and secondary education, exhibit poor legal writing skills. Over a period of four years, in order to address this urgent need for legal writing instruction, the School of Law introduced two successive legal writing interventions. The first intervention was the Concise Writing Programme, followed by the Integrated Skills in Context Programme. The Concise Writing Programme focused on English writing skills and grammar in the hope that first-year law students would be able to transfer these generic writing skills to the more specific legal discourse within which they were learning to operate. The Law School reviewed the success of this initial programme and found that students who took part in the programme not only lacked the motivation to learn generic English writing skills, but that they also did not find it easy to transfer these skills to the more specific legal writing environment. The Law School then implemented a second legal writing intervention – The Integrated Skills in Context Programme. This programme acknowledged the fact that legal writing has a multi-faceted nature, encompassing legal analysis and application, as well as logical sequencing and argument, all of which could not be taught in a vacuum, particularly when most of the student base was largely unfamiliar with any form of legal discourse and many had English as a second language. This paper recognises that there is no silver bullet to improving the legal writing skills of these students. The reality is that it will take hard work as well as financial incentives to make a difference to these students' legal writing skills. Our students need intensive one-on-one attention by qualified academics, and this means that those doing the instruction must be recognised and adequately compensated.

  13. Prevalence of food production systems in school foodservice.

    Science.gov (United States)

    Brown, Denise M

    2005-08-01

    What is the prevalence of central kitchens that use either cook-chill or cook-freeze production systems in school foodservice settings? A descriptive study using a 5-minute telephone survey during normal working hours was conducted. Questions were designed to be easily answered with minimal need to reference other documentation. Five hundred forty school foodservice directors, managers, and supervisors working in school districts of all sizes across the United States were randomly sampled from a national commercial directory of school districts for the study. A total of 353 individuals completed the survey representing 49 of 50 states. Means, standard deviations, and percentages were evaluated for all data collected. Descriptive statistics of school district characteristics, prevalence of production systems, food transport systems, inventory methods and equipment used for reheating food are reported. The most frequently reported production system was on-site kitchens (45.3%) followed by combination production systems (40.5%) where a central kitchen delivered to a number of satellite locations in addition to schools with on-site food preparation. Central kitchens without additional on-site kitchens represented 14.2% of this study. Of those school districts using either central kitchens or combination production systems, 78% reported hot-food preparation using hot-food delivery to satellites. Cook-chill or cook-freeze production systems were reported by 22% of respondents. The high proportion of school districts that prepared and delivered foods hot to satellite sites supports continuing efforts to identify food safety practices and issues related to maintaining food quality in schools.

  14. Real Time Face Quality Assessment for Face Log Generation

    DEFF Research Database (Denmark)

    Kamal, Nasrollahi; Moeslund, Thomas B.

    2009-01-01

    Summarizing a long surveillance video to just a few best quality face images of each subject, a face-log, is of great importance in surveillance systems. Face quality assessment is the back-bone for face log generation and improving the quality assessment makes the face logs more reliable....... Developing a real time face quality assessment system using the most important facial features and employing it for face logs generation are the concerns of this paper. Extensive tests using four databases are carried out to validate the usability of the system....

  15. Parents facing school violence problem. Los padres frente al fenómeno de la violencia escolar

    Directory of Open Access Journals (Sweden)

    Mª del Carmen Pérez

    2009-11-01

    Full Text Available

    It is important to emphasize the role that parents play in their children development process together with their involvement in the emerging antisocial behaviors. That is the reason why parents have been considered, in all researches, as one of the involved agents in school violence, together with teachers and students themselves. From this fact, we can gather that it will be significant to know parents’ opinion on the different questions related to school violence. For this purpose, this research analyses parents’ opinion regarding questions related to school violence such as: the origin, the current situation, the role performed by their own children (aggressors, victims or observers and the people needed to get involved to eliminate this type of behaviors. In order to make this research, we have used the “Predicting factors of school violence Questionnaire for parents” in a sample of 414 fathers/mothers/guardians between 23 and 60 years old; an average age of 41,8 years (DT=5,9. The results show that the majority of parents point out that school violence has risen regarding when they were children. Parents also add that school violence is rising year after year highlighting the social context of the individual as main field which influences in its etiology and considering as necessary the joined intervention of parents and teachers. Parents consider their intervention as more important than teacher’s intervention or parents and teachers joined intervention.

    Keyword: School violence, parents, origin, intervention, prevalence.

    Es importante hacer hincapié en el papel que los padres poseen en el proceso de desarrollo de sus hijos así como su implicación en la emergencia de conductas antisociales. De ahí que sean considerados, en todos los estudios como uno de los agentes implicados en la violencia escolar, junto con los docentes y los propios alumnos. De ello, se desprende que también será significativo conocer

  16. Best Strategies to Improve School-leavers’ Knowledge of Nutrition and Food Systems: Views from Experts in Iran

    Science.gov (United States)

    Sadegholvad, Sanaz; Yeatman, Heather; Omidvar, Nasrin; Parrish, Anne-Maree; Worsley, Anthony

    2016-01-01

    Background: The research to date does not present an articulated approach to ensure nutrition and food systems education is systematically implemented within schools. This paper aimed to investigate food experts’ views of the best strategies to improve school-leavers’ knowledge of nutrition and food systems. Methods: In this qualitative study, 28 Iranian food and nutrition experts from four major provinces (Tehran, Fars, Isfahan, and Gilan) were selected and agreed to be interviewed. Required data were collected through in-depth, semi-structured, face-to-face, or telephone interviews and were analyzed thematically using NVivo. Results: The experts’ suggested strategies to improve Iranian school-leavers’ knowledge of nutrition and food systems fell into three key themes: Policy, education processes, and supportive environments. Together they formed an overarching theme of a multileveled system approach for transferring knowledge. Conclusions: Development of a scaffolded education program could assist curriculum developers and policy makers to assess and update current nutrition and food systems education programs in schools. Insights gained about education initiatives in one country such as Iran can provide an important impetus to support nutrition and food system education more widely. PMID:27857832

  17. Best Strategies to Improve School-leavers' Knowledge of Nutrition and Food Systems: Views from Experts in Iran.

    Science.gov (United States)

    Sadegholvad, Sanaz; Yeatman, Heather; Omidvar, Nasrin; Parrish, Anne-Maree; Worsley, Anthony

    2016-01-01

    The research to date does not present an articulated approach to ensure nutrition and food systems education is systematically implemented within schools. This paper aimed to investigate food experts' views of the best strategies to improve school-leavers' knowledge of nutrition and food systems. In this qualitative study, 28 Iranian food and nutrition experts from four major provinces (Tehran, Fars, Isfahan, and Gilan) were selected and agreed to be interviewed. Required data were collected through in-depth, semi-structured, face-to-face, or telephone interviews and were analyzed thematically using NVivo. The experts' suggested strategies to improve Iranian school-leavers' knowledge of nutrition and food systems fell into three key themes: Policy, education processes, and supportive environments. Together they formed an overarching theme of a multileveled system approach for transferring knowledge. Development of a scaffolded education program could assist curriculum developers and policy makers to assess and update current nutrition and food systems education programs in schools. Insights gained about education initiatives in one country such as Iran can provide an important impetus to support nutrition and food system education more widely.

  18. DASH - Youth Risk Behavior Surveillance System (YRBSS): High School

    Data.gov (United States)

    U.S. Department of Health & Human Services — 1991-2015. High School Dataset. The Youth Risk Behavior Surveillance System (YRBSS) monitors six categories of priority health behaviors among youth and young...

  19. DASH - Youth Risk Behavior Surveillance System (YRBSS): Middle School

    Data.gov (United States)

    U.S. Department of Health & Human Services — 1991-2015. Middle School Dataset. The Youth Risk Behavior Surveillance System (YRBSS) monitors six categories of priority health behaviors among youth and young...

  20. Accounting for the Danish Public School System

    DEFF Research Database (Denmark)

    Graversen, Marie Engstrøm

    Studying and thereby enhancing the understanding of the behavioral impact of the formula funding models used to allocate funds from the Danish municipalities to the local public school districts is the aim of this dissertation. A framework is proposed which, based on the theoretical understanding...

  1. Greening of Business Schools: A Systemic View

    Science.gov (United States)

    Jabbour, Charbel Jose Chiappetta

    2010-01-01

    Purpose: The purpose of this paper is to present a model for the analysis of business schools as creators, disseminators, and adopters of knowledge on environmental management. Design/methodology/approach: A review of the importance of higher education institutions for sustainability, and more specifically, about their relevance for the creation,…

  2. Waldorf Schools: A Child-Centered System.

    Science.gov (United States)

    Ogletree, Earl J.

    This paper presents an overview of the philosophy, psychology of learning, teaching methods, and curriculum of the Waldorf Schools. Most Waldorf teachers are influenced by the esoteric form of critical idealism propounded by Rudolf Steiner. The child is considered by Steiner to be a spiritual being who has reincarnated on to earth in a physical…

  3. Theoretical Physics to Face the Challenge of LHC : Lecture Notes of the Les Houches Summer School : 97th Session

    CERN Document Server

    Benakli, Karim; Douglas, Michael R; Mansoulie, Bruno; Rabinovici, Eliezer; Cugliandolo, Leticia F

    2015-01-01

    This book is based on lectures at the Les Houches Summer School held in August 2011 for an audience of advanced graduate students and postdoctoral fellows in particle physics, theoretical physics, and cosmology—areas where new experimental results were on the verge of being discovered at CERN. The school was held during a summer of great anticipation that at any moment contact might be made with the most recent theories of the nature of the fundamental forces and the structure of spacetime. In fact, during the session, the long anticipated discovery of the Higgs particle was announced. The book vividly describes the creative diversity and tension within the community of theoreticians who have split into several components—those doing phenomenology and those dealing with highly theoretical problems—with a few trying to bridge both domains. The theoreticians covered many directions in the theory of elementary particles, from classics such as the supersymmetric Standard Model to very recent ideas such as t...

  4. Science literacy and meaningful learning: status of public high school students from Rio de Janeiro face to molecular biology concepts

    Directory of Open Access Journals (Sweden)

    Daniel Alves Escodino

    2013-12-01

    Full Text Available In this work we aimed to determine the level of Molecular Biology (MB science literacy of students from two Brazilian public schools which do not consider the rogerian theory for class planning and from another institution, Cap UERJ, which favours this theory. We applied semiclosed questionnaires specific to the different groups of science literacy levels. Besides, we have asked them to perform conceptual maps with MB concepts in order to observe if they have experienced meaningful learning. Finally, we prepared MB classes for students of the three schools, considering their conceptual maps and tried to evaluate, through a second map execution, if the use of alternative didactics material, which consider meaningful learning process, would have any effect over the appropriation of new concepts. We observed that most students are placed at Functional literacy level. Nonetheless, several students from CAp were also settled at the higher Conceptual and Procedural levels. We found that most students have not experienced meaningful learning and that the employment of didactic material and implementation of proposals which consider the cognitive structure of the students had a significant effect on the appropriation of several concepts.

  5. Dynamic load-sharing characteristic analysis of face gear power-split gear system based on tooth contact characteristics

    Science.gov (United States)

    Dong, Hao; Hu, Yahui

    2018-04-01

    The bend-torsion coupling dynamics load-sharing model of the helicopter face gear split torque transmission system is established by using concentrated quality standard, to analyzing the dynamic load-sharing characteristic. The mathematical models include nonlinear support stiffness, time-varying meshing stiffness, damping, gear backlash. The results showed that the errors collectively influenced the load sharing characteristics, only reduce a certain error, it is never fully reached the perfect loading sharing characteristics. The system load-sharing performance can be improved through floating shaft support. The above-method will provide a theoretical basis and data support for its dynamic performance optimization design.

  6. [Orthodontic treatment of malocclusion Class III in patients aged 6-12 by Postnikov appliance, face mask and bracket system].

    Science.gov (United States)

    Postnikov, M A; Trunin, D A; Pankratova, N V; Nesterov, A M; Sadykov, M I; Ostankov, S A

    2018-01-01

    The diagnostics and treatment of malocclusion Class III in patients aged 6-12 is an vital problem in orthodontics. Method of orthodontic treatment of malocclusion Class III in patients with the help of improved and patented orthodontic construction - 'Postnikov appliance' - and face mask and bracket system is analysed in the article. Orthodontic treatment of malocclusion Class III was examined in 24 patients aged 6-12 by the suggested method. All patients were examined clinically and with the help af additional diagnostic methods: head cephalometry in lateral position with further data analysis in Dolphin Imaging (USA). The use of computer technologies in Dolphin Imaging helps to controll the process of correction of dentition correlation in different stages of treatment, to reduce the period of treatment of malocclusion Class III in patients aged 6-12 and to improve face esthetics and life quality ratio.

  7. Holistic School Leadership: Systems Thinking as an Instructional Leadership Enabler

    Science.gov (United States)

    Shaked, Haim; Schechter, Chen

    2016-01-01

    As instructional leadership involves attempts to understand and improve complex systems, this study explored principals' perceptions regarding possible contributions of systems thinking to instructional leadership. Based on a qualitative analysis, systems thinking was perceived by middle and high school principals to contribute to the following…

  8. A Policy Analysis of Public School Retirement Systems

    Science.gov (United States)

    Lewis, Tara; Teeter, Matt

    2010-01-01

    The purpose of this policy analysis was to examine the Missouri Public School Retirement System (PSRS). The team investigated the under-funding of PSRS, relating to sustainability and the feasibility of the system's use of one lever, contribution rate, to stabilize the retirement system, and to meet actuary needs and governmental requirements. The…

  9. Face Detection and Recognition

    National Research Council Canada - National Science Library

    Jain, Anil K

    2004-01-01

    This report describes research efforts towards developing algorithms for a robust face recognition system to overcome many of the limitations found in existing two-dimensional facial recognition systems...

  10. About Face

    Medline Plus

    Full Text Available ... Basics PTSD Treatment What is AboutFace? Resources for Professionals Get Help Home Watch Videos by Topic Videos ... Basics PTSD Treatment What is AboutFace? Resources for Professionals Get Help PTSD We've been there. After ...

  11. About Face

    Medline Plus

    Full Text Available ... Treatment What is AboutFace? Resources for Professionals Get Help Home Watch Videos by Topic Videos by Type ... Treatment What is AboutFace? Resources for Professionals Get Help PTSD We've been there. After a traumatic ...

  12. Effective Consultants: A Conceptual Framework for Helping School Systems Achieve Systemic Reform

    Science.gov (United States)

    Hazle Bussey, Leslie; Welch, Jennie C.; Mohammed, Meca B.

    2014-01-01

    A growing number of organisations--universities, non-profits, independent consultants--are emerging as partners to school systems pursuing systemic improvement. This proliferation invites questions probing the interaction between school systems and their consulting partners. Drawing on a cross-disciplinary review of literature, this theoretical…

  13. Development of an effective face area support system for tabular stopes.

    CSIR Research Space (South Africa)

    Acheampong, E

    2002-03-01

    Full Text Available ..................................................................................... 5 2.1.1 Link-bar system ...........................................................................................................5 2.1.2 Crank system... joints would be required for this application. There is no flexibility in this system to allow for various advancing distances. The headboard size would not be able to carry the required loads unless large steel sections were used. 2.1.2 Crank system...

  14. Evaluation of intelligent transport systems impact on school transport safety

    Directory of Open Access Journals (Sweden)

    Jankowska-Karpa Dagmara

    2017-01-01

    Full Text Available The integrated system of safe transport of children to school using Intelligent Transport Systems was developed and implemented in four locations across Europe under the Safeway2School (SW2S project, funded by the EU. The SW2S system evaluation included speed measurements and an eye-tracking experiment carried out among drivers who used the school bus route, where selected elements of the system were tested. The subject of the evaluation were the following system elements: pedestrian safety system at the bus stop (Intelligent Bus Stop and tags for children, Driver Support System, applications for parents’ and students’ mobile phones, bus stop inventory tool and data server. A new sign designed for buses and bus stops to inform about child transportation/children waiting at the bus stop was added to the system. Training schemes for system users were also provided. The article presents evaluation results of the impact of selected elements of the SW2S system on school transport safety in Poland.

  15. Eliciting Parents' Individual Requirements for an Inclusive Digital School System.

    Science.gov (United States)

    Eftring, Håkan; Rassmus-Gröhn, Kirsten; Hedvall, Per-Olof

    2016-01-01

    Parents often have a busy time sorting out their life puzzles, including getting information about their children's activities in school. More and more communication between teachers and parents take place via digital school systems. It can be hard for parents to find the information they are looking for and the teacher decides when information is sent and what communication method to use. All parents, but especially parents with disabilities, might have individual preferences on how to receive information and how to adapt meetings at school. In this paper we present a project where we involved parents and teachers in focus groups, an idea workshop and iterative user trials of a digital prototype. The goal was to elicit parents' individual requirements for an inclusive digital school system, where they can store their individual preferences about how and when to receive information from school and what requirements they have on meetings at school. Preliminary results show that we managed to create open and focused discussions among parents and teachers. The parents reacted very positively on an onboarding page with the possibility to quickly and easily enter preferences after their first log in, but more work needs to be done on how preferences are categorized on the onboarding page. Finally, parents need to get clear feedback from teachers and school when they have entered or updated preferences, so they can trust that their preferences will be met.

  16. Forty days of free school meals as a tool for introducing market-based healthy school meal systems in 35 Danish schools

    DEFF Research Database (Denmark)

    Brinck, Nenna Maria; Hansen, Mette Weinreich; Kristensen, Niels Heine

    2011-01-01

    -start the implementation of healthy school meal systems in Danish schools. This paper argues that the initiative (in reality) invited the establishment of a service system concept, which dominated the initiative and led to a lack of involvement of important key players needed in health promotion. Methods: The method used...... for data collection was semi-structured, qualitative interviews. Results: The main results from a systematic examination of the 35 participating schools show that the systems were mainly organized with external suppliers, and only a few of the 35 schools succeeded in establishing a user-paid school meal...... for achieving the goal of establishing new, healthy and user-paid school meals....

  17. School System (Re)design: Developing Educational Infrastructures to Support School Leadership and Teaching Practice

    Science.gov (United States)

    Hopkins, Megan; Woulfin, Sarah L.

    2015-01-01

    A central challenge for local education agencies (i.e., school districts in the United States) undergoing reform is to design systems that facilitate instructional improvement. At the core of these systems are educational infrastructures that bolster capacity building efforts and support teaching and leadership practices. Our goal for this special…

  18. Optimization of the heating system at Sogn school

    OpenAIRE

    Navarro Carrillo, Laia

    2011-01-01

    PFC del programa Erasmus EPS elaborat a Oslo University College The heating system of the Sogn school consists of three oil boilers, one electrical boiler and one bio boiler which provide the building with heat. However, the bio boiler is too inefficient. The purpose of this report is to document the different alternatives to increase the efficiency of the bio boiler. The report does not document any results of trials with wood briquettes, because the school had a problem in supplying t...

  19. Quantified Faces

    DEFF Research Database (Denmark)

    Sørensen, Mette-Marie Zacher

    2016-01-01

    artist Marnix de Nijs' Physiognomic Scrutinizer is an interactive installation whereby the viewer's face is scanned and identified with historical figures. The American artist Zach Blas' project Fag Face Mask consists of three-dimensional portraits that blend biometric facial data from 30 gay men's faces...... and critically examine bias in surveillance technologies, as well as scientific investigations, regarding the stereotyping mode of the human gaze. The American artist Heather Dewey-Hagborg creates three-dimensional portraits of persons she has “identified” from their garbage. Her project from 2013 entitled...

  20. Multimodal Biometric System- Fusion Of Face And Fingerprint Biometrics At Match Score Fusion Level

    OpenAIRE

    Grace Wangari Mwaura; Prof. Waweru Mwangi; Dr. Calvins Otieno

    2017-01-01

    Biometrics has developed to be one of the most relevant technologies used in Information Technology IT security. Unimodal biometric systems have a variety of problems which decreases the performance and accuracy of these system. One way to overcome the limitations of the unimodal biometric systems is through fusion to form a multimodal biometric system. Generally biometric fusion is defined as the use of multiple types of biometric data or ways of processing the data to improve the performanc...

  1. Electric Power Saving Awareness System at School Using ICT

    Directory of Open Access Journals (Sweden)

    Kuzume Koichi

    2016-01-01

    Full Text Available Nowadays, education on energy saving at schools attracts attention to reduce energy consumption. In this paper we proposed a novel system to promote energy conservation activity at schools using a sensor network. The system consisted of a wall-type clock embedded with several kinds of sensors for temperature and light in the classroom, and wireless devices to connect to a cloud computer network. The system had the following superiorities: offered various services for energy conservation activity, needless of CT (Current Transformer sensor, low price, ease of installation and extension, and visualization of power consumption in conjunction with school timetable in real time. We presented the system and a user study conducted to evaluate its usefulness.

  2. Reading faces and Facing words

    DEFF Research Database (Denmark)

    Robotham, Julia Emma; Lindegaard, Martin Weis; Delfi, Tzvetelina Shentova

    unilateral lesions, we found no patient with a selective deficit in either reading or face processing. Rather, the patients showing a deficit in processing either words or faces were also impaired with the other category. One patient performed within the normal range on all tasks. In addition, all patients......It has long been argued that perceptual processing of faces and words is largely independent, highly specialised and strongly lateralised. Studies of patients with either pure alexia or prosopagnosia have strongly contributed to this view. The aim of our study was to investigate how visual...... perception of faces and words is affected by unilateral posterior stroke. Two patients with lesions in their dominant hemisphere and two with lesions in their non-dominant hemisphere were tested on sensitive tests of face and word perception during the stable phase of recovery. Despite all patients having...

  3. RADON MITIGATION IN SCHOOLS: CASE STUDIES OF RADON MITIGATION SYSTEMS INSTALLED BY EPA IN FOUR MARYLAND SCHOOLS ARE PRESENTED

    Science.gov (United States)

    The first part of this two-part paper discusses radon entry into schools, radon mitigation approaches for schools, and school characteristics (e.g., heating, ventilation, and air-conditioning -- HVAC-- system design and operation) that influence radon entry and mitigation system ...

  4. Electrical properties of indium-tin oxide films deposited on nonheated substrates using a planar-magnetron sputtering system and a facing-targets sputtering system

    International Nuclear Information System (INIS)

    Iwase, Hideo; Hoshi, Youichi; Kameyama, Makoto

    2006-01-01

    Distribution of the electrical properties of indium-tin oxide (ITO) film prepared by both a planar-magnetron sputtering system (PMSS) and a facing-targets sputtering system (FTSS) at room temperature were investigated. It was found that the outstanding non-uniformities of the electrical properties in noncrystalline ITO films are mainly due to the variation of the oxygen stoichiometry dependent on film positions on substrate surfaces. Furthermore, ITO film with uniform distribution of electrical properties was obtainable using FTSS

  5. High School Students' Understanding of the Human Body System

    Science.gov (United States)

    Assaraf, Orit Ben-Zvi; Dodick, Jeff; Tripto, Jaklin

    2013-01-01

    In this study, 120 tenth-grade students from 8 schools were examined to determine the extent of their ability to perceive the human body as a system after completing the first stage in their biology curriculum--"The human body, emphasizing homeostasis". The students' systems thinking was analyzed according to the STH thinking model, which roughly…

  6. Investigating Educational Systems, Leadership, and School Culture: A Holistic Approach

    Science.gov (United States)

    Pratt, Jill Elizabeth

    2014-01-01

    Most populous school districts operate using a bureaucratic hierarchical organizational structure developed primarily for industry, a system structure that has remained intact for a century despite evolving from a manufacturing to a knowledge-based economy. Although strong for efficiency, this system structure is resistant to change and promotes…

  7. Managing Decline in Rural School Systems: Program Organization and Delivery.

    Science.gov (United States)

    Sackney, L. E.

    Organizational theory offers rural school administrators several ways of thinking about retrenchment made necessary by declining enrollment. Obstacles to innovative responses to retrenchment include a shift in how organizations are perceived: from closed systems in which rational decisions are made about changes, to open systems in which…

  8. Improving the utilisation of management information systems in secondary schools

    NARCIS (Netherlands)

    Bosker, R. J.; Branderhorst, E. M.; Visscher, A. J.

    2007-01-01

    Although most secondary schools do use management information systems (MISs), these systems tend not to be used to support higher order managerial activities but are currently primarily used for clerical purposes. This situation is unsatisfactory as MISs fully utilised could offer invaluable support

  9. 3rd Annual Earth System Grid Federation and 3rd Annual Earth System Grid Federation and Ultrascale Visualization Climate Data Analysis Tools Face-to-Face Meeting Report December 2013

    Energy Technology Data Exchange (ETDEWEB)

    Williams, Dean N. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

    2014-02-21

    The climate and weather data science community gathered December 3–5, 2013, at Lawrence Livermore National Laboratory, in Livermore, California, for the third annual Earth System Grid Federation (ESGF) and Ultra-scale Visualization Climate Data Analysis Tools (UV-CDAT) Face-to-Face (F2F) Meeting, which was hosted by the Department of Energy, National Aeronautics and Space Administration, National Oceanic and Atmospheric Administration, the European Infrastructure for the European Network of Earth System Modelling, and the Australian Department of Education. Both ESGF and UV-CDAT are global collaborations designed to develop a new generation of open-source software infrastructure that provides distributed access and analysis to observed and simulated data from the climate and weather communities. The tools and infrastructure developed under these international multi-agency collaborations are critical to understanding extreme weather conditions and long-term climate change, while the F2F meetings help to build a stronger climate and weather data science community and stronger federated software infrastructure. The 2013 F2F meeting determined requirements for existing and impending national and international community projects; enhancements needed for data distribution, analysis, and visualization infrastructure; and standards and resources needed for better collaborations.

  10. About Face

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    Full Text Available Skip to Content Menu Closed (Tap to Open) Home Interviews Our Stories Search All Videos PTSD Basics PTSD Treatment What is AboutFace? Resources for Professionals Get Help Home Watch Interviews Our ...

  11. About Face

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    Full Text Available ... not feeling better, you may have PTSD (posttraumatic stress disorder). Watch the intro This is AboutFace In these videos, Veterans, family members, and clinicians share their experiences with PTSD ...

  12. About Face

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  13. About Face

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    Full Text Available Skip to Content Menu Closed (Tap to Open) Home Interviews Our Stories Search All Videos PTSD Basics ... What is AboutFace? Resources for Professionals Get Help Home Watch Interviews Our Stories Search All Videos Learn ...

  14. Protecting Accelerator Control Systems in the Face of Sophisticated Cyber Attacks

    International Nuclear Information System (INIS)

    Hartman, Steven M.

    2012-01-01

    Cyber security for industrial control systems has received significant attention in the past two years. The news coverage of the Stuxnet attack, believed to be targeted at the control system for a uranium enrichment plant, brought the issue to the attention of news media and policy makers. This has led to increased scrutiny of control systems for critical infrastructure such as power generation and distribution, and industrial systems such as chemical plants and petroleum refineries. The past two years have also seen targeted network attacks aimed at corporate and government entities including US Department of Energy National Laboratories. Both of these developments have potential repercussions for the control systems of particle accelerators. The need to balance risks from potential attacks with the operational needs of an accelerator present a unique challenge for the system architecture and access model.

  15. Systems thinking and complexity: considerations for health promoting schools.

    Science.gov (United States)

    Rosas, Scott R

    2017-04-01

    The health promoting schools concept reflects a comprehensive and integrated philosophy to improving student and personnel health and well-being. Conceptualized as a configuration of interacting, interdependent parts connected through a web of relationships that form a whole greater than the sum of its parts, school health promotion initiatives often target several levels (e.g. individual, professional, procedural and policy) simultaneously. Health promoting initiatives, such as those operationalized under the whole school approach, include several interconnected components that are coordinated to improve health outcomes in complex settings. These complex systems interventions are embedded in intricate arrangements of physical, biological, ecological, social, political and organizational relationships. Systems thinking and characteristics of complex adaptive systems are introduced in this article to provide a perspective that emphasizes the patterns of inter-relationships associated with the nonlinear, dynamic and adaptive nature of complex hierarchical systems. Four systems thinking areas: knowledge, networks, models and organizing are explored as a means to further manage the complex nature of the development and sustainability of health promoting schools. Applying systems thinking and insights about complex adaptive systems can illuminate how to address challenges found in settings with both complicated (i.e. multi-level and multisite) and complex aspects (i.e. synergistic processes and emergent outcomes). © The Author 2015. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com.

  16. White Pine Co. Public School System Biomass Conversion Heating Project

    Energy Technology Data Exchange (ETDEWEB)

    Paul Johnson

    2005-11-01

    The White Pine County School District and the Nevada Division of Forestry agreed to develop a pilot project for Nevada using wood chips to heat the David E. Norman Elementary School in Ely, Nevada. Consideration of the project was triggered by a ''Fuels for Schools'' grant that was brought to the attention of the School District. The biomass project that was part of a district-wide energy retrofit, called for the installation of a biomass heating system for the school, while the current fuel oil system remained as back-up. Woody biomass from forest fuel reduction programs will be the main source of fuel. The heating system as planned and completed consists of a biomass steam boiler, storage facility, and an area for unloading and handling equipment necessary to deliver and load fuel. This was the first project of it's kind in Nevada. The purpose of the DOE funded project was to accomplish the following goals: (1) Fuel Efficiency: Purchase and install a fuel efficient biomass heating system. (2) Demonstration Project: Demonstrate the project and gather data to assist with further research and development of biomass technology; and (3) Education: Educate the White Pine community and others about biomass and other non-fossil fuels.

  17. GlobePort Faces Global Business Challenges--Assessing the Organizational Side of Information Systems Projects

    Science.gov (United States)

    Ghosh, Biswadip

    2011-01-01

    Published studies have reported that Information System (IS) projects succeed or fail based on how effectively the organizational issues were understood and addressed in the specification, development and implementation stages of the project. This is particularly true in the design and delivery of Inter-Organizational Systems (IOS) that can affect…

  18. A Novel Hybrid Biometric Electronic Voting System: Integrating Finger Print and Face Recognition

    Directory of Open Access Journals (Sweden)

    Shahram Najam

    2018-01-01

    Full Text Available A novel hybrid design based electronic voting system is proposed, implemented and analyzed. The proposed system uses two voter verification techniques to give better results in comparison to single identification based systems. Finger print and facial recognition based methods are used for voter identification. Cross verification of a voter during an election process provides better accuracy than single parameter identification method. The facial recognition system uses Viola-Jones algorithm along with rectangular Haar feature selection method for detection and extraction of features to develop a biometric template and for feature extraction during the voting process. Cascaded machine learning based classifiers are used for comparing the features for identity verification using GPCA (Generalized Principle Component Analysis and K-NN (K-Nearest Neighbor. It is accomplished through comparing the Eigen-vectors of the extracted features with the biometric template pre-stored in the election regulatory body database. The results of the proposed system show that the proposed cascaded design based system performs better than the systems using other classifiers or separate schemes i.e. facial or finger print based schemes. The proposed system will be highly useful for real time applications due to the reason that it has 91% accuracy under nominal light in terms of facial recognition.

  19. A novel hybrid biometric electronic voting system: integrating finger print face recognition

    International Nuclear Information System (INIS)

    Najam, S.S.; Shaikh, A.Z.; Naqvi, S.

    2018-01-01

    A novel hybrid design based electronic voting system is proposed, implemented and analyzed. The proposed system uses two voter verification techniques to give better results in comparison to single identification based systems. Finger print and facial recognition based methods are used for voter identification. Cross verification of a voter during an election process provides better accuracy than single parameter identification method. The facial recognition system uses Viola-Jones algorithm along with rectangular Haar feature selection method for detection and extraction of features to develop a biometric template and for feature extraction during the voting process. Cascaded machine learning based classifiers are used for comparing the features for identity verification using GPCA (Generalized Principle Component Analysis) and K-NN (K-Nearest Neighbor). It is accomplished through comparing the Eigen-vectors of the extracted features with the biometric template pre-stored in the election regulatory body database. The results of the proposed system show that the proposed cascaded design based system performs better than the systems using other classifiers or separate schemes i.e. facial or finger print based schemes. The proposed system will be highly useful for real time applications due to the reason that it has 91% accuracy under nominal light in terms of facial recognition. (author)

  20. Formation of concept of decimal system in Mexican school children

    Directory of Open Access Journals (Sweden)

    L. Quintanar Rojas

    2013-04-01

    Full Text Available The present study deals with initial formation of concept of decimal system in second year of education at primary school in Mexico (City of Puebla. Our research is based on Activity Theory conception of teaching-learning process and of gradual introduction of scientific concepts in school age. The method has been designed and worked out with the help of actions in which logic, symbolic, spatial and mathematical aspects were implemented. All actions were introduced within divided activity of children in group guided by adult. A pretest-posttest design was used with an experimental group of Mexican school children. The results showed that children have developed the significant skills necessary for understanding the concept of decimal number system. They were also able to apply this concept for new kind if activity al the end of school year. Such new activity was solving of mathematic problems, which was not included in official school program. We consider that proposed method can be an approximation for solution of common difficulties which arise at primary school concerning teaching of mathematics.

  1. The use of conversation mapping to frame key perceptual issues facing the general dental practice system in England.

    Science.gov (United States)

    Harris, R V; Dancer, J M; Smith, D; Campbell, S

    2009-06-01

    To demonstrate the use of a novel qualitative methodology namely conversation mapping, which can be used to capture differences in stakeholder perspectives and give a root definition of the problem in a complex policy area. The methodology is used in the context of the changes introduced in the English general dental practice system in April 2006, to investigate the key issues facing the system, as perceived by general dental practitioners (GDPs). From a broad trigger statement, three transformational statements were produced. Each participant recorded their contribution on a hard diagrammatic form as a 'map', with others responding with their own written comment, thus generating three conversation maps. Thematic analysis resulted in the generation of a preliminary model summarising key perceptual issues. The five emergent themes identified were: financing, dentists' wants/needs, the role of the public and patients, system goals and policy level decision making. Financing was identified as the core category to which all other categories were related. Conversation mapping, a methodology arising from a systems approach, can be used to develop a 'rich picture' of an oral health care system in order to define the core problem within this policy area. Findings suggest that GDPs identify the financing of the system as a fundamental source of problems within the general dental practice system. This appears to be at variance with the perception of policy makers, who report a more limited view, identifying the system of remuneration as the 'heart of the problem'.

  2. A systemic model for differentiating school technology integration

    Directory of Open Access Journals (Sweden)

    Tel Amiel

    2016-07-01

    Full Text Available School technology integration rarely begins with school or educator choice. It is part of a wider context where external and internal factors have direct influence on the goals and tools that are adopted over time. The objective of this study is to investigate the systemic conditions that contribute or inhibit the development of different activities by teachers making use of new media. We compiled a list of well-known conditions for technology integration success and mapped these in the historical and culturally bound perspective of activity theory (cultural historical activity theory. We conducted a multiple case study analysis of four schools, public and private. The results point to unique and distinctive scenarios even when homogeneity would be expected, reinforcing the argument that material conditions do not determine pedagogical outcomes nor do they determine changes in practice. Beyond this, the study proposes a methodology that can help elicit tensions in technology integration, pointing to avenues for school development.

  3. Filtration effectiveness of HVAC systems at near-roadway schools.

    Science.gov (United States)

    McCarthy, M C; Ludwig, J F; Brown, S G; Vaughn, D L; Roberts, P T

    2013-06-01

    Concern for the exposure of children attending schools located near busy roadways to toxic, traffic-related air pollutants has raised questions regarding the environmental benefits of advanced heating, ventilation, and air-conditioning (HVAC) filtration systems for near-road pollution. Levels of black carbon and gaseous pollutants were measured at three indoor classroom sites and at seven outdoor monitoring sites at Las Vegas schools. Initial HVAC filtration systems effected a 31-66% reduction in black carbon particle concentrations inside three schools compared with ambient air concentrations. After improved filtration systems were installed, black carbon particle concentrations were reduced by 74-97% inside three classrooms relative to ambient air concentrations. Average black carbon particle concentrations inside the schools with improved filtration systems were lower than typical ambient Las Vegas concentrations by 49-96%. Gaseous pollutants were higher indoors than outdoors. The higher indoor concentrations most likely originated at least partially from indoor sources, which were not targeted as part of this intervention. Recent literature has demonstrated adverse health effects in subjects exposed to ambient air near major roadways. Current smart growth planning and infill development often require that buildings such as schools are built near major roadways. Improving the filtration systems of a school's HVAC system was shown to decrease children's exposure to near-roadway diesel particulate matter. However, reducing exposure to the gas-phase air toxics, which primarily originated from indoor sources, may require multiple filter passes on recirculated air. © 2012 John Wiley & Sons A/S. Published by Blackwell Publishing Ltd.

  4. Support systems for faces and workings (Le soutenement des tailles ou chantiers d'exploitation)

    Energy Technology Data Exchange (ETDEWEB)

    Stassen, P

    1978-01-01

    Various support systems for use in underground mining are discussed, these include: A. Props: wooden props, steel props and yielding props. B. Roofbars: wooden bars, solid steel bars, steel link bars, steel flange bars, cruciform steel bars. C. Chocks: working conditions, timber release chocks, steel-girder chocks, mechanical chocks and chock-type supports. D. Powered supports: classification of powered support systems, the parameters which have to be considered when selecting the right type of powered support, minimal load- bearing requirement for powered supports, characteristic features of some powered-support system. (10 refs.) (In French)

  5. An object-oriented feature-based design system face-based detection of feature interactions

    International Nuclear Information System (INIS)

    Ariffin Abdul Razak

    1999-01-01

    This paper presents an object-oriented, feature-based design system which supports the integration of design and manufacture by ensuring that part descriptions fully account for any feature interactions. Manufacturing information is extracted from the feature descriptions in the form of volumes and Tool Access Directions, TADs. When features interact, both volumes and TADs are updated. This methodology has been demonstrated by developing a prototype system in which ACIS attributes are used to record feature information within the data structure of the solid model. The system implemented in the C++ programming language and embedded in a menu-driven X-windows user interface to the ACIS 3D Toolkit. (author)

  6. Four year-olds use norm-based coding for face identity.

    Science.gov (United States)

    Jeffery, Linda; Read, Ainsley; Rhodes, Gillian

    2013-05-01

    Norm-based coding, in which faces are coded as deviations from an average face, is an efficient way of coding visual patterns that share a common structure and must be distinguished by subtle variations that define individuals. Adults and school-aged children use norm-based coding for face identity but it is not yet known if pre-school aged children also use norm-based coding. We reasoned that the transition to school could be critical in developing a norm-based system because school places new demands on children's face identification skills and substantially increases experience with faces. Consistent with this view, face identification performance improves steeply between ages 4 and 7. We used face identity aftereffects to test whether norm-based coding emerges between these ages. We found that 4 year-old children, like adults, showed larger face identity aftereffects for adaptors far from the average than for adaptors closer to the average, consistent with use of norm-based coding. We conclude that experience prior to age 4 is sufficient to develop a norm-based face-space and that failure to use norm-based coding cannot explain 4 year-old children's poor face identification skills. Copyright © 2013 Elsevier B.V. All rights reserved.

  7. Three faces of entropy for complex systems: Information, thermodynamics, and the maximum entropy principle

    Science.gov (United States)

    Thurner, Stefan; Corominas-Murtra, Bernat; Hanel, Rudolf

    2017-09-01

    There are at least three distinct ways to conceptualize entropy: entropy as an extensive thermodynamic quantity of physical systems (Clausius, Boltzmann, Gibbs), entropy as a measure for information production of ergodic sources (Shannon), and entropy as a means for statistical inference on multinomial processes (Jaynes maximum entropy principle). Even though these notions represent fundamentally different concepts, the functional form of the entropy for thermodynamic systems in equilibrium, for ergodic sources in information theory, and for independent sampling processes in statistical systems, is degenerate, H (p ) =-∑ipilogpi . For many complex systems, which are typically history-dependent, nonergodic, and nonmultinomial, this is no longer the case. Here we show that for such processes, the three entropy concepts lead to different functional forms of entropy, which we will refer to as SEXT for extensive entropy, SIT for the source information rate in information theory, and SMEP for the entropy functional that appears in the so-called maximum entropy principle, which characterizes the most likely observable distribution functions of a system. We explicitly compute these three entropy functionals for three concrete examples: for Pólya urn processes, which are simple self-reinforcing processes, for sample-space-reducing (SSR) processes, which are simple history dependent processes that are associated with power-law statistics, and finally for multinomial mixture processes.

  8. Design and Application of SCADA Based Control System for filling process (Inter facing and Monitoring)

    International Nuclear Information System (INIS)

    Aung Naing Myint; Maung Maung Latt; Win Khaing Moe; Theingi

    2008-06-01

    In a small SCADA system, using industrial standard components and simulating real world applications, designs and constructs for thesis to interface between automation devices and software. It programs PIC microcontroller that need the information to write the sequence of process that flowchart like the PIC ladder-logic programs that control the equipment in system, software integrators to be required the information for the configuration screens and hardware installers which need the information to install and connect the equipment. It uses the initiating processor's multiplexer to verify that data or signals are being transmitted out of the parallel port and includes auto-coupler to divide different voltages between circuits and computer. Existing SCADA system are divisible into two groups - cheap and inflexible control, and another one is expensive but flexible control. This thesis attempted by means of using other network for SCADA communications and simple for control, both of which maintain flexibility while reducing cost

  9. Challenges facing the finance reform of the health system in Chile.

    Science.gov (United States)

    Herrera, Tania

    2014-05-28

    Financing is one of the key functions of health systems, which includes the processes of revenue collection, fund pooling and acquisitions in order to ensure access to healthcare for the entire population. The article analyzes the financing model of the Chilean health system in terms of the first two processes, confirming low public spending on healthcare and high out-of-pocket expenditure, in addition to an appropriation of public resources by private insurers and providers. Insofar as pooling, there is lack of solidarity and risk sharing leading to segmentation of the population that is not consistent with the concept of social security, undermines equity and reduces system-wide efficiency. There is a pressing need to jumpstart reforms that address these issues. Treatments must be considered together with public health concerns and primary care in order to ensure the right to health of the entire population.

  10. Modeling European ruminant production systems: facing the challenges of climate change

    DEFF Research Database (Denmark)

    Kipling, Richard Philip; Bannink, Andre; Bellocchi, Gianni

    2016-01-01

    Ruminant production systems are important producers of food, support rural communities and culture, and help to maintain a range of ecosystem services including the sequestering of carbon in grassland soils. However, these systems also contribute significantly to climate change through greenhouse...... gas (GHG) emissions, while intensification of production has driven biodiversity and nutrient loss, and soil degradation. Modeling can offer insights into the complexity underlying the relationships between climate change, management and policy choices, food production, and the maintenance...... of ecosystem services. This paper 1) provides an overview of how ruminant systems modeling supports the efforts of stakeholders and policymakers to predict, mitigate and adapt to climate change and 2) provides ideas for enhancing modeling to fulfil this role. Many grassland models can predict plant growth...

  11. Feasibility evaluation of a motion detection system with face images for stereotactic radiosurgery.

    Science.gov (United States)

    Yamakawa, Takuya; Ogawa, Koichi; Iyatomi, Hitoshi; Kunieda, Etsuo

    2011-01-01

    In stereotactic radiosurgery we can irradiate a targeted volume precisely with a narrow high-energy x-ray beam, and thus the motion of a targeted area may cause side effects to normal organs. This paper describes our motion detection system with three USB cameras. To reduce the effect of change in illuminance in a tracking area we used an infrared light and USB cameras that were sensitive to the infrared light. The motion detection of a patient was performed by tracking his/her ears and nose with three USB cameras, where pattern matching between a predefined template image for each view and acquired images was done by an exhaustive search method with a general-purpose computing on a graphics processing unit (GPGPU). The results of the experiments showed that the measurement accuracy of our system was less than 0.7 mm, amounting to less than half of that of our previous system.

  12. Photovoltaic generating systems in rural schools in Neuquen Province, Argentina

    Energy Technology Data Exchange (ETDEWEB)

    Lawand, T.A.; Campbell, J. [Brace Research Institute, Quebec (Canada)

    1997-12-01

    During the period 1994-95, solar photovoltaic systems were installed at a number of schools in Neuquen Province, Argentina, by the Provincial electric utility, Ente Provincial de Energia del Neuquen. This was undertaken with funds provided by the Inter-American Development Bank. In all, there are 12 schools that have had photovoltaic generating systems installed. These generating systems are designed to provide electricity for the basic needs at the schools: primarily for lighting, and to operate small electrical appliances such as communication radios, televisions, VCR`s, AM/FM and short-wave radios. They do not provide enough energy to operate large consumption appliances such as washing machines, microwaves, refrigerators, power tools, etc. The program of provision of PV systems was supplemented with training on simple systems for cooking food or drying fruit, etc. These techniques are primarily intended for demonstration at the schools thus serving an educational role with the hope that they will be transmitted in time to the families of the students where the need is manifested the most.

  13. The Using of the 3D Face Modal in Case of the Biometrical Identification in Access Control Systems

    Directory of Open Access Journals (Sweden)

    S. V. Pivtoratskaya

    2011-03-01

    Full Text Available The biometrical identification using the face geometry is proposed here. The method to eliminate the distortions of face’s images by means of the restoration of the face as segment of the ellipsoid is adduced.

  14. Preventive voltage control actions to securely face load evolution in power systems

    Energy Technology Data Exchange (ETDEWEB)

    Marano Marcolini, A.; Martinez Ramos, J.L.; Romero Ramos, E.; Trigo Garcia, A.L. [Department of Electrical Engineering, University of Seville, Camino de los Descubrimientos s/n, 41092 Sevilla (Spain)

    2010-04-15

    One of the main aims of the System Operator (SO) is to maintain in every moment the system parameters between feasible operational margins. In certain periods of the day the load suffers fast changes which cause, specially when it tends to increase, a generalized voltage decrement and a more stressed condition for many reactive resources. In such cases, many devices may arrive to their operational limits, situation which translates into a weaker system. To avoid this negative effect the control variables should be rescheduled to maintain the normal operation conditions in the foreseeable future. This work proposes a useful tool to assist the SO when determining such actions. The main improvements are due to the implementation of a hybrid method that allows the comparison of different kinds of control variables and the inclusion of the operator background and experience in the algorithm that determines the actions. The performance of the proposed method is tested in both the IEEE 14-Bus and 118-Bus test systems. (author)

  15. Putting "The System" into a School Autonomy Reform: The Case of the Independent Public Schools Program

    Science.gov (United States)

    Gobby, Brad

    2016-01-01

    The Australian Federal and state governments have been introducing neoliberal reforms to the governance of their education systems for a number of decades. One of the most recent programs of reform is the Western Australian Independent Public Schools (IPS) initiative. Similar to decentralizing reforms around the world, the IPS program seeks…

  16. Using a Computer-based Messaging System at a High School To Increase School/Home Communication.

    Science.gov (United States)

    Burden, Mitzi K.

    Minimal communication between school and home was found to contribute to low performance by students at McDuffie High School (South Carolina). This report describes the experience of establishing a computer-based telephone messaging system in the high school and involving parents, teachers, and students in its use. Additional strategies employed…

  17. Issues facing the management of radioactively contaminated lead within the DOE system

    International Nuclear Information System (INIS)

    Gilmore, M.C.; Kent, S.H.

    1993-01-01

    The purpose of this paper is to discuss and evaluate the issues that managing and operating contractors in the US DOE system should consider that are associated with management of radioactively contaminated elemental lead. There are many instances where DOE contaminated lead fall within Resource Conservation and Recovery Act (RCRA) regulation. In light of the Federal Facilities Compliance Act (FFCA), it is becoming increasingly important for additional regulatory options to be explored in order to facilitate proper treatment, storage and disposal of RCRA regulated lead. Various DOE facilities have initiated processes to reuse or recycle contaminated lead. Technologies such as melt-refining, surface blasting, and electromigration are being explored. One or more of these technologies may be the key to reducing contaminated lead inventories in the DOE system. Many DOE facilities are finding that these efforts need to have stringent regulatory evaluation since some alternatives have proven to be environmentally desirable but not economically feasible

  18. Problems facing the radiologist tendering for a hospital wide PACS system

    International Nuclear Information System (INIS)

    Pilling, John

    1999-01-01

    As PACS becomes a reality the practical difficulties of installing the new technology become evident. The practical issues of developing a strategy, understanding the market, writing a business case, and an outline based specification are considered. The complexities of European procurement, the evaluation of responses, the contracting process and the problems of implementation, training, assessing the benefits and foreseeing the problems are covered. Provided there is careful attention to detail a hospital can expect to implement a successful PACS system

  19. Brief Announcement: Induced Churn to Face Adversarial Behavior in Peer-to-Peer Systems

    Science.gov (United States)

    Anceaume, Emmanuelle; Brasileiro, Francisco; Ludinard, Romaric; Sericola, Bruno; Tronel, Frederic

    Awerbuch and Scheideler [2] have shown that peer-to-peer overlays networks can only survive Byzantine attacks if malicious nodes are not able to predict what will be the topology of the network for a given sequence of join and leave operations. A prerequisite for this condition to hold is to guarantee that nodes identifiers randomness is continuously preserved. However targeted join/leave attacks may quickly endanger the relevance of such an assumption. Inducing churn has been shown to be the other fundamental ingredient to preserve randomness. Several strategies based on these principles have been proposed. Most of them are based on locally induced churn. However either they have been proven incorrect or they involve a too high level of complexity to be practically acceptable [2]. The other ones, based on globally induced churn, enforce limited lifetime for each node in the system. However, these solutions keep the system in an unnecessary hyper-activity, and thus need to impose strict restrictions on nodes joining rate which clearly limit their applicability to open systems.

  20. The Challenges Facing the Multilateral Trading System in Addressing Global Public Policy Objectives

    Directory of Open Access Journals (Sweden)

    Christophe Bellmann

    2013-02-01

    Full Text Available Despite a record-breaking 14.5 per cent increase in world merchandise exports, the effects of the financial crisis and global recession are still hampering faster economic recovery. Relatively high oil prices combined with persistent unemployment and measures designed to reduce budget deficits have undermined short-term growth prospects. While South–South trade continues to explode, trade imbalances – i.e. the gap between exports and imports – widened in 2010 compared to 2009 (though smaller than pre-crisis levels. Meanwhile, trade negotiations under the Doha Round have reached an impasse, generating uncertainties about the future of the World Trade Organization (WTO as a negotiating forum. Under these circumstances, should the system rethink its decision-making process founded upon the predominance of member states, the principle of consensus and the notion of single undertaking, as some critics have suggested? And, if so, how could such a reform agenda be initiated at the WTO? Moreover, beyond the negotiating function of the WTO, the paralysis of the system also raises urgent questions about the ability of the system to respond to pressing challenges of our times, such as trade and climate change, or food security and price volatility.

  1. Removal time and efficacy of Riddell Quick Release Face Guard Attachment System side clips during 1 football season.

    Science.gov (United States)

    Gruppen, Tonia; Smith, Molly; Ganss, Andrea

    2012-01-01

    In the National Athletic Trainers' Association position statement, "Acute Management of the Cervical Spine-Injured Athlete," the technique recommended for face-mask (FM) removal is one that "creates the least head and neck motion, is performed most quickly, is the least difficult, and carries the least chance of failure." Industrial and technological advances in football helmet design and FM attachment systems might influence the efficacy of emergency FM removal. To examine the removal times and success rates of the Quick Release (QR) Face Guard Attachment System (Riddell Sports, Inc, Elyria, OH) throughout and at the conclusion of 1 season of play by a National Collegiate Athletic Association Division III football team competing in the Midwest. Controlled laboratory study. College laboratory. A total of 69 randomly selected Revolution IQ (Riddell Sports, Inc) football helmets fitted with the QR system were used. Each helmet was secured to a spine board, and investigators attempted to remove both of the QR side clips from the helmet with the Riddell insertion tool. Dependent variables included total time for removal of both QR side clips from the FM and success rate for removal of both side clips. The overall success rate for removal of both clips was 94.8% (164/173), whereas the mean times for removal of both clips ranged from 9.92 ± 12.06 seconds to 16.65 ± 20.97 seconds over 4 trial sessions. We found no differences among mean times for trial sessions throughout the season of play among the same helmets or among different helmets (P > .05). Removal time and success rate of the Riddell QR were satisfactory during and after 1 season of play despite use in various temperatures and precipitation.

  2. Removal Time and Efficacy of Riddell Quick Release Face Guard Attachment System Side Clips During 1 Football Season

    Science.gov (United States)

    Gruppen, Tonia; Smith, Molly; Ganss, Andrea

    2012-01-01

    Context In the National Athletic Trainers' Association position statement, “Acute Management of the Cervical Spine-Injured Athlete,” the technique recommended for face-mask (FM) removal is one that “creates the least head and neck motion, is performed most quickly, is the least difficult, and carries the least chance of failure.” Industrial and technological advances in football helmet design and FM attachment systems might influence the efficacy of emergency FM removal. Objective To examine the removal times and success rates of the Quick Release (QR) Face Guard Attachment System (Riddell Sports, Inc, Elyria, OH) throughout and at the conclusion of 1 season of play by a National Collegiate Athletic Association Division III football team competing in the Midwest. Design Controlled laboratory study. Setting College laboratory. Patients or Other Participants A total of 69 randomly selected Revolution IQ (Riddell Sports, Inc) football helmets fitted with the QR system were used. Intervention(s) Each helmet was secured to a spine board, and investigators attempted to remove both of the QR side clips from the helmet with the Riddell insertion tool. Main Outcome Measure(s) Dependent variables included total time for removal of both QR side clips from the FM and success rate for removal of both side clips. Results The overall success rate for removal of both clips was 94.8% (164/173), whereas the mean times for removal of both clips ranged from 9.92 ± 12.06 seconds to 16.65 ± 20.97 seconds over 4 trial sessions. We found no differences among mean times for trial sessions throughout the season of play among the same helmets or among different helmets (P > .05). Conclusions Removal time and success rate of the Riddell QR were satisfactory during and after 1 season of play despite use in various temperatures and precipitation. PMID:22889658

  3. Preferences for School Finance Systems: Voters versus Judges.

    Science.gov (United States)

    Campbell, Colin D.; Fischel, William A.

    1996-01-01

    A theory that urges judges to decide that locally financed school systems are unconstitutional holds that courts must implement reforms because the legislative process is dominated by property-rich communities. However, the defeat of a New Hampshire gubernatorial candidate who advocated such reforms contradicts the theory. (JOW)

  4. Internet Acceptable User Policies in Alabama School Systems.

    Science.gov (United States)

    Sun, Feng; McLean, James E.

    The purpose of this study was to determine the current status of and need for acceptable use policies (AUPs) for students' use of the Internet in Alabama school systems. Alabama superintendents were questioned using an electronic survey that could be returned via e-mail on an anonymous Internet site. Primary questions were: (1) What is your level…

  5. Photographs and Classroom Response Systems in Middle School Astronomy Classes

    Science.gov (United States)

    Lee, Hyunju; Feldman, Allan

    2015-01-01

    In spite of being readily available, photographs have played a minor and passive role in science classes. In our study, we present an active way of using photographs in classroom discussions with the use of a classroom response system (CRS) in middle school astronomy classes to teach the concepts of day-night and seasonal change. In this new…

  6. Q&A: The Basics of California's School Finance System

    Science.gov (United States)

    EdSource, 2006

    2006-01-01

    In a state as large and complex as California, education financing can become as complicated as rocket science. This two-page Q&A provides a brief, easy-to-understand explanation of California's school finance system and introduces the issues of its adequacy and equity. A list of resources providing additional information is provided.

  7. Maternity Leave Provisions for Classroom Teachers in Larger School Systems.

    Science.gov (United States)

    Educational Research Service Circular, 1966

    1966-01-01

    Maternity leave provisions for classroom teachers in 129 school systems having enrollments of 25,000 or more are reported for 1965-66 in this national survey. Tables contain information on compulsory absence prior to anticipated date of birth and earliest permissible return from maternity leaves. Brief descriptions of maternity leave practices are…

  8. Funding California Schools: The Revenue Limit System. Technical Appendices

    Science.gov (United States)

    Weston, Margaret

    2010-01-01

    This document presents the technical appendices accompanying the report, "Funding California Schools: The Revenue Limit System." Included are: (1) Revenue Limit Calculation and Decomposition; (2) Data and Methods; and (3) Base Funding Alternative Simulation Results. (Contains 5 tables and 26 footnotes.) [For the main report,…

  9. School Reentry for Children with Acquired Central Nervous Systems Injuries

    Science.gov (United States)

    Carney, Joan; Porter, Patricia

    2009-01-01

    Onset of acquired central nervous system (CNS) injury during the normal developmental process of childhood can have impact on cognitive, behavioral, and motor function. This alteration of function often necessitates special education programming, modifications, and accommodations in the education setting for successful school reentry. Special…

  10. About Face

    Medline Plus

    Full Text Available ... at first. But if it's been months or years since the trauma and you're not feeling better, you may have PTSD (posttraumatic stress disorder). Watch the intro This is AboutFace In these videos, Veterans, family members, ...

  11. About Face

    Medline Plus

    Full Text Available ... What is AboutFace? Resources for Professionals Get Help PTSD We've been there. After a traumatic event — ... you're not feeling better, you may have PTSD (posttraumatic stress disorder). Watch the intro This is ...

  12. Developing Inclusive Schools: A Systemic Approach

    Science.gov (United States)

    Kinsella, William; Senior, Joyce

    2008-01-01

    This paper emerges from an ongoing study which involved, firstly, key informant interviews with strategic personnel within the Irish education system, such personnel representing both service providers and service users. The first part of this paper provides a brief summary of the findings of that aspect of the study in relation to the key…

  13. Facing the challenges of distribution systems operation with high wind power penetration

    DEFF Research Database (Denmark)

    Das, Kaushik; Altin, Müfit; Hansen, Anca Daniela

    2017-01-01

    power flow in 60kV distribution networks through controlling the ability of wind power plants (WPPs) to generate or absorb reactive power. This paper aims to understand the characteristics of a distribution network with high penetration of distributed generation. A detailed analysis of the active...... and reactive power flows in a real distribution network under different wind and load conditions based on actual measurements is performed in order to understand the correlation between the consumption, wind power production, and the network losses. Conclusive remarks are presented, briefly expressing......This paper addresses the challenges associated with the operation of a distribution system with high penetration of wind power. The paper presents some preliminary investigations of an ongoing Danish research work, which has as main objective to reduce the network losses by optimizing the reactive...

  14. System-synergetic approach to the analysis of Waldorf school

    Directory of Open Access Journals (Sweden)

    Ionova E.N.

    2012-03-01

    Full Text Available It is considered the basic aspects of usage a system-synergetic approach to the analysis of Waldorf school as an example of relevant embodiment of synergetic paradigm on the different levels of organization and activity of educational establishment (functioning of school as a social institute; philosophical comprehension of essence of education and education; psychological ground of processes of development and self-development of man; a contents of Waldorf education, forms and methods of his mastering by students; providing of pedagogical influence of personality of teacher on a child.

  15. Near-Infrared Spectroscopy for Zeeman Spectra of Ti I in Plasma Using a Facing Target Sputtering System

    Science.gov (United States)

    Kobayashi, Shinji; Nishimiya, Nobuo; Suzuki, Masao

    2017-10-01

    The saturated absorption lines of neutral titanium were measured in the region of 9950-14380 cm-1 using a Ti:sapphire ring laser. A facing target sputtering system was used to obtain the gaseous state of a Ti I atom. The Zeeman splitting of 38 transitions was observed under the condition that the electric field component of a linearly polarized laser beam was parallel to the magnetic field. The gJ factors of the odd parity states were determined for 28 states belonging to 3d24s4p and 3d34p using those of the even parity states reported by Stachowska in 1997. The gJ factors of z5P1,2,3 levels were newly determined. gJ of y3F2, y3D2, z3P2, and z5S2 levels were refined.

  16. Problems faced with the use of the WASP model in least cost and alternative electricity system expansion planning in Romania

    Energy Technology Data Exchange (ETDEWEB)

    Breazu, F [Institute of Power Studies and Design, Bucharest (Romania)

    1997-09-01

    Romanian experience with the use of IAEA planning methodologies was effectively initiated in 1989 with the launching of a Technical Cooperation project of the IAEA for the study of the energy demand and optimal expansion plans for the electricity generation system. The experience gathered during this project was crucial for the Romanian experts who conducted the studies. As a results, now Romania has a team of well trained experts in the use of the IAEA planning models. This paper describes the principal problems faced by Romanian planners in the use of these models with emphasis on the WASP package. Suggestions for future enhancements of the package are also part of this report. (author). 5 figs.

  17. Edge smoothing for real-time simulation of a polygon face object system as viewed by a moving observer

    Science.gov (United States)

    Lotz, Robert W. (Inventor); Westerman, David J. (Inventor)

    1980-01-01

    The visual system within an aircraft flight simulation system receives flight data and terrain data which is formated into a buffer memory. The image data is forwarded to an image processor which translates the image data into face vertex vectors Vf, defining the position relationship between the vertices of each terrain object and the aircraft. The image processor then rotates, clips, and projects the image data into two-dimensional display vectors (Vd). A display generator receives the Vd faces, and other image data to provide analog inputs to CRT devices which provide the window displays for the simulated aircraft. The video signal to the CRT devices passes through an edge smoothing device which prolongs the rise time (and fall time) of the video data inversely as the slope of the edge being smoothed. An operational amplifier within the edge smoothing device has a plurality of independently selectable feedback capacitors each having a different value. The values of the capacitors form a series which doubles as a power of two. Each feedback capacitor has a fast switch responsive to the corresponding bit of a digital binary control word for selecting (1) or not selecting (0) that capacitor. The control word is determined by the slope of each edge. The resulting actual feedback capacitance for each edge is the sum of all the selected capacitors and is directly proportional to the value of the binary control word. The output rise time (or fall time) is a function of the feedback capacitance, and is controlled by the slope through the binary control word.

  18. HNS-MS : Improving Member States preparedness to face an HNS pollution of the Marine System

    Science.gov (United States)

    Legrand, Sébastien; Le Floch, Stéphane; Aprin, Laurent; Partenay, Valérie; Donnay, Eric; Parmentier, Koen; Ovidio, Fabrice; Schallier, Ronny; Poncet, Florence; Chataing, Sophie; Poupon, Emmanuelle; Hellouvry, Yann-Hervé

    2017-04-01

    When dealing with a HNS pollution incident, one of the priority requirements is the identification of the hazard and an assessment of the risk posed to the public and responder safety, the environment and socioeconomic assets upon which a state or coastal community depend. The primary factors which determine the safety, environmental and socioeconomic impact of the released substance(s) relate to their physico-chemical properties and fate in the environment. Until now, preparedness actions at various levels have primarily aimed at classifying the general environmental or public health hazard of an HNS, or at performing a risk analysis of HNS transported in European marine regions. Operational datasheets have been (MIDSIS-TROCS) or are being (MAR-CIS) developed collating detailed, substance-specific information for responders and covering information needs at the first stage of an incident. However, contrary to oil pollution preparedness and response tools, only few decision-support tools used by Member State authorities (Coastguard agencies or other) integrate 3D models that are able to simulate the drift, fate and behaviour of HNS spills in the marine environment. When they do, they usually consider simplified or steady-state environmental conditions. As a significant step forward, a 'one-stop shop' integrated HNS decision-support system has been developed in the framework of the HNS-MS project. Focussing on the Bonn Agreement area, the system integrates 1. A database containing the physico-chemical parameters needed to compute the behaviour in the marine environment of 120 relevant HNS; 2. A digital atlas of the HNS environmental and socioeconomic vulnerability maps ; 3. A three dimensional HNS spill drift and fate model able to simulate HNS behaviour in the marine environment (including floaters, sinkers, evaporators and dissolvers). 4. A user-friendly web-based interface allowing Coastguard stations to launch a HNS drift simulation and visualize post

  19. From Molecular Classification to Targeted Therapeutics: The Changing Face of Systemic Therapy in Metastatic Gastroesophageal Cancer

    Directory of Open Access Journals (Sweden)

    Adrian Murphy

    2015-01-01

    Full Text Available Histological classification of adenocarcinoma or squamous cell carcinoma for esophageal cancer or using the Lauren classification for intestinal and diffuse type gastric cancer has limited clinical utility in the management of advanced disease. Germline mutations in E-cadherin (CDH1 or mismatch repair genes (Lynch syndrome were identified many years ago but given their rarity, the identification of these molecular alterations does not substantially impact treatment in the advanced setting. Recent molecular profiling studies of upper GI tumors have added to our knowledge of the underlying biology but have not led to an alternative classification system which can guide clinician’s therapeutic decisions. Recently the Cancer Genome Atlas Research Network has proposed four subtypes of gastric cancer dividing tumors into those positive for Epstein-Barr virus, microsatellite unstable tumors, genomically stable tumors, and tumors with chromosomal instability. Unfortunately to date, many phase III clinical trials involving molecularly targeted agents have failed to meet their survival endpoints due to their use in unselected populations. Future clinical trials should utilize molecular profiling of individual tumors in order to determine the optimal use of targeted therapies in preselected patients.

  20. The several faces of fear: ecological consequences of predation risk in a lagoon model system

    Directory of Open Access Journals (Sweden)

    Rafael Dettogni Guariento

    Full Text Available AIM: The aim of this study was to evaluate the role of predation risk on the occurrence of trophic cascades in a benthic food chain, and detect if the ecological consequences of predation risk can reverberate in patterns observed across different hierarchical scales, such as prey size, prey growth efficiency and nutrient recycling patterns. METHODS: The model system used in the present experiment consisted of a simple linear food chain comprising a predator, a consumer and periphyton as basal resources. For 2 weeks, we manipulated predation risk using caged predators, incapable of killing their prey, across twelve outdoor mesocosms, simulating natural lagoon conditions. RESULTS: Our results showed that predation risk can be responsible for the occurrence of a trophic cascade and the strength of the cascade is proportional to the intensity of risk. Predation risk can also negatively influence prey biomass and growth efficiency as well as affect nutrient recycling patterns by altering prey nutrient excretion rates. Through a simple mathematical formulation, we attempted to show that individual-level experimental results can be generalized to natural populations if evolutionary constraints to prey fitness can be reproduced in experimental conditions. CONCLUSIONS: Our results corroborate to integrate ecosystem dynamics with animal behavior, highlighting that not only bottom-up but also top-down mechanisms are responsible for determining ecosystem properties. We ultimately claim that prey adaptive foraging may serve to integrate ecosystem and evolutionary ecology, resulting in the development of a more robust and predictive theory of the functioning of aquatic ecosystems.

  1. Healthcare system information at language schools for newly arrived immigrants

    DEFF Research Database (Denmark)

    Tynell, Lena Lyngholt; Wimmelmann, Camilla Lawaetz; Jervelund, Signe Smith

    2017-01-01

    a language school in Copenhagen in 2012 received either a course or written information on the Danish healthcare system and subsequently evaluated this quantitatively. Results: The evaluation revealed a positive appraisal of the course/information provided. Conclusion: In times of austerity, incorporating......Objective: In most European countries, immigrants do not systematically learn about the host countries’ healthcare system when arriving. This study investigated how newly arrived immigrants perceived the information they received about the Danish healthcare system. Method: Immigrants attending...... healthcare information into an already existing language programme may be pertinent for providing immigrants with knowledge on the healthcare system....

  2. Face to Face or E-Learning in Turkish EFL Context

    Science.gov (United States)

    Solak, Ekrem; Cakir, Recep

    2014-01-01

    This purpose of this study was to understand e-learners and face to face learners' views towards learning English through e-learning in vocational higher school context and to determine the role of academic achievement and gender in e-learning and face to face learning. This study was conducted at a state-run university in 2012-2013 academic year…

  3. A retrospective look at replacing face-to-face embryology instruction with online lectures in a human anatomy course.

    Science.gov (United States)

    Beale, Elmus G; Tarwater, Patrick M; Lee, Vaughan H

    2014-01-01

    Embryology is integrated into the Clinically Oriented Anatomy course at the Texas Tech University Health Sciences Center School of Medicine. Before 2008, the same instructor presented embryology in 13 face-to-face lectures distributed by organ systems throughout the course. For the 2008 and 2009 offerings of the course, a hybrid embryology instruction model with four face-to-face classes that supplemented online recorded lectures was used. One instructor delivered the lectures face-to-face in 2007 and by online videos in 2008-2009, while a second instructor provided the supplemental face-to-face classes in 2008-2009. The same embryology learning objectives and selected examination questions were used for each of the three years. This allowed direct comparison of learning outcomes, as measured by examination performance, for students receiving only face-to-face embryology instruction versus the hybrid approach. Comparison of the face-to-face lectures to the hybrid approach showed no difference in overall class performance on embryology questions that were used all three years. Moreover, there was no differential effect of the delivery method on the examination scores for bottom quartile students. Students completed an end-of-course survey to assess their opinions. They rated the two forms of delivery similarly on a six-point Likert scale and reported that face-to-face lectures have the advantage of allowing them to interact with the instructor, whereas online lectures could be paused, replayed, and viewed at any time. These experiences suggest the need for well-designed prospective studies to determine whether online lectures can be used to enhance the efficacy of embryology instruction. © 2013 American Association of Anatomists.

  4. Rapid prototyping of SoC-based real-time vision system: application to image preprocessing and face detection

    Science.gov (United States)

    Jridi, Maher; Alfalou, Ayman

    2017-05-01

    By this paper, the major goal is to investigate the Multi-CPU/FPGA SoC (System on Chip) design flow and to transfer a know-how and skills to rapidly design embedded real-time vision system. Our aim is to show how the use of these devices can be benefit for system level integration since they make possible simultaneous hardware and software development. We take the facial detection and pretreatments as case study since they have a great potential to be used in several applications such as video surveillance, building access control and criminal identification. The designed system use the Xilinx Zedboard platform. The last is the central element of the developed vision system. The video acquisition is performed using either standard webcam connected to the Zedboard via USB interface or several camera IP devices. The visualization of video content and intermediate results are possible with HDMI interface connected to HD display. The treatments embedded in the system are as follow: (i) pre-processing such as edge detection implemented in the ARM and in the reconfigurable logic, (ii) software implementation of motion detection and face detection using either ViolaJones or LBP (Local Binary Pattern), and (iii) application layer to select processing application and to display results in a web page. One uniquely interesting feature of the proposed system is that two functions have been developed to transmit data from and to the VDMA port. With the proposed optimization, the hardware implementation of the Sobel filter takes 27 ms and 76 ms for 640x480, and 720p resolutions, respectively. Hence, with the FPGA implementation, an acceleration of 5 times is obtained which allow the processing of 37 fps and 13 fps for 640x480, and 720p resolutions, respectively.

  5. Smart and Resilient Cities. A Systemic Approach for Developing Cross-sectoral Strategies in the Face of Climate Change

    Directory of Open Access Journals (Sweden)

    Rocco Papa

    2015-04-01

    Full Text Available Climate change is considered one of the main environmental issues challenging contemporary cities. Meanwhile, urban development patterns and the growth of urban population represent the main contributors to climate change, affecting the total energy consumptions and the related greenhouse gas emissions. Therefore, a breakthrough in current urban development patterns is required to counterbalance the climate-related issues.This study focuses on the Smart City and Resilient City concepts; in detail, based on the review of existing literature, it analyzes the synergies between the two concepts, highlighting how the Smart City concept is more and more widely interpreted as a process addressed to make cities “more livable and resilient and, hence, able to respond quicker to new challenges” (Kunzmann, 2014. Nevertheless, current initiatives to improve cities’ smartness and resilience in the European cities are very fragmented and operational tools capable to support multi-objective strategies are still at an early stage. To fill this gap, embracing a systemic perspective, the main characteristics of a smart and resilient urban system have been identified and arranged into a conceptual model. The latter represents a preliminary step for the development of an operational tool capable to guide planners and decision-makers in carrying out multi-objective strategies addressed to enhance the response capacities of complex urban systems in the face of climate change.

  6. Research Involving Health Providers and Managers: Ethical Issues Faced by Researchers Conducting Diverse Health Policy and Systems Research in Kenya.

    Science.gov (United States)

    Molyneux, Sassy; Tsofa, Benjamin; Barasa, Edwine; Nyikuri, Mary Muyoka; Waweru, Evelyn Wanjiku; Goodman, Catherine; Gilson, Lucy

    2016-12-01

    There is a growing interest in the ethics of Health Policy and Systems Research (HPSR), and especially in areas that have particular ethical salience across HPSR. Hyder et al (2014) provide an initial framework to consider this, and call for more conceptual and empirical work. In this paper, we respond by examining the ethical issues that arose for researchers over the course of conducting three HPSR studies in Kenya in which health managers and providers were key participants. All three studies involved qualitative work including observations and individual and group interviews. Many of the ethical dilemmas researchers faced only emerged over the course of the fieldwork, or on completion, and were related to interactions and relationships between individuals operating at different levels or positions in health/research systems. The dilemmas reveal significant ethical challenges for these forms of HPSR, and show that potential 'solutions' to dilemmas often lead to new issues and complications. Our experiences support the value of research ethics frameworks, and suggest that these can be enriched by incorporating careful consideration of context embedded social relations into research planning and conduct. Many of these essential relational elements of ethical practice, and of producing quality data, are given stronger emphasis in social science research ethics than in epidemiological, clinical or biomedical research ethics, and are particularly relevant where health systems are understood as social and political constructs. We conclude with practical and research implications. © 2016 The Authors Developing World Bioethics Published by John Wiley & Sons Ltd.

  7. Training Requirements and Training Delivery in the Total Army School System

    National Research Council Canada - National Science Library

    Winkler, John

    1999-01-01

    This report analyzes training requirements and school delivery of training in the Total Army School System, focusing on the system's ability to meet its training requirements in Reserve Component Training Institutions...

  8. Prior-to-Secondary School Course Classification System: School Codes for the Exchange of Data (SCED). NFES 2011-801

    Science.gov (United States)

    National Forum on Education Statistics, 2011

    2011-01-01

    In this handbook, "Prior-to-Secondary School Course Classification System: School Codes for the Exchange of Data" (SCED), the National Center for Education Statistics (NCES) and the National Forum on Education Statistics have extended the existing secondary course classification system with codes and descriptions for courses offered at…

  9. Stope face support systems

    CSIR Research Space (South Africa)

    Daehnke, A

    1998-12-01

    Full Text Available The primary output of this report was the determination of geotechnical areas across the gold and platinum mines to form the basis for future understanding of the rock mass behaviour around reefs where the hanging wall and footwall rock types differ...

  10. The indigenous and the imported: The New Zealand school system

    Science.gov (United States)

    Snook, Ivan

    1990-06-01

    New Zealand (Aotearoa) was colonized from Britain and the colonizers imposed on the indigenous Maori people a foreign view of education. From then on tradition has vied with local adaptations to produce a school system with substantial traces of the `Old Country' but with many local features. The curriculum for boys continued to dominate, with that for girls struggling to make itself felt. There has been constant debate about `basics' and `frills' though these terms have not been clearly defined. More recently there has been more serious consideration of the curriculum but this has been overtaken by a `market forces' view of schooling. A new administration system comes into operation on 1st October 1989. The future is unclear but it is reasonable to hope that there will continue a dialectic which may one day produce a genuine synthesis suited to the multicultural nature of Aotearoa.

  11. 77 FR 17407 - Proposed Information Collection; Comment Request; Annual Survey of School System Finances...

    Science.gov (United States)

    2012-03-26

    ... cannot provide information on the assets of individual school systems. School systems have the choice to... school systems in states where the state education agency cannot provide information on the indebtedness... information technology. Comments submitted in response to this notice will be summarized and/or included in...

  12. Developing an Indicator System for Schools of Choice: A Balanced Scorecard Approach

    Science.gov (United States)

    Brown, Richard S.; Wohlstetter, Priscilla; Liu, Sunny

    2008-01-01

    This article describes the process of developing an indicator system that goes beyond a single indicator of school progress or performance. The system relies on a set of school indicators that uses data that public schools routinely report to state agencies for compliance purposes. The framework for the indicator system is based on the idea of…

  13. Educational Equity, Adequacy, and Equal Opportunity in the Commonwealth: An Evaluation of Pennsylvania's School Finance System

    Science.gov (United States)

    Baker, Bruce; Levin, Jesse

    2014-01-01

    Pennsylvania has historically operated one of the nation's least equitable state school finance systems, and within that system exist some of the nation's most fiscally disadvantaged public school districts. The persistent inequalities of Pennsylvania's school finance system are not entirely a result of simple lack of effort, as policies intended…

  14. International Summer School on Mathematical Systems Theory and Economics

    CERN Document Server

    Szegö, G

    1969-01-01

    The International Summer School on Mathematical Systems Theory and Economics was held at the Villa Monastero in Varenna, Italy, from June 1 through June 12, 1967. The objective of this Summer School was to review the state of the art and the prospects for the application of the mathematical theory of systems to the study and the solution of economic problems. Particular emphasis was given to the use of the mathematical theory of control for the solution of problems in economics. It was felt that the publication of a volume collecting most of the lectures given at the school would show the current status of the application of these methods. The papers are organized into four sections arranged into two volumes: basic theories and optimal control of economic systems which appear in the first volume, and special mathematical problems and special applications which are contained in the second volume. Within each section the papers follow in alphabetical order by author. The seven papers on basic theories are a rat...

  15. From Permission to Partnership: Participatory Research to Engage School Personnel in Systems Change

    Science.gov (United States)

    Blitz, Lisa V.; Mulcahy, Candace A.

    2017-01-01

    Data collected from teachers in a racially diverse, high-poverty high school were used to inform the initial steps in developing a school-university partnership to create a culturally responsive trauma-informed community school. The project utilized community-based participatory research to explore sensitive areas of school system functioning.…

  16. Feet to the Fire: New Orleans Kids Rethink Their Devastated School System

    Science.gov (United States)

    Wholey, Jane; Burkes, Betty

    2015-01-01

    Kids Rethink New Orleans Schools is an organization of primarily middle school youth that formed after Hurricane Katrina destroyed most of the city's schools. This chapter describes Rethink's first six years of operation, which culminated in school system policy changes and an HBO documentary about the organization's groundbreaking work.

  17. Can the usage of human growth hormones affect facial appearance and the accuracy of face recognition systems?

    Science.gov (United States)

    Rose, Jake; Martin, Michael; Bourlai, Thirimachos

    2014-06-01

    In law enforcement and security applications, the acquisition of face images is critical in producing key trace evidence for the successful identification of potential threats. The goal of the study is to demonstrate that steroid usage significantly affects human facial appearance and hence, the performance of commercial and academic face recognition (FR) algorithms. In this work, we evaluate the performance of state-of-the-art FR algorithms on two unique face image datasets of subjects before (gallery set) and after (probe set) steroid (or human growth hormone) usage. For the purpose of this study, datasets of 73 subjects were created from multiple sources found on the Internet, containing images of men and women before and after steroid usage. Next, we geometrically pre-processed all images of both face datasets. Then, we applied image restoration techniques on the same face datasets, and finally, we applied FR algorithms in order to match the pre-processed face images of our probe datasets against the face images of the gallery set. Experimental results demonstrate that only a specific set of FR algorithms obtain the most accurate results (in terms of the rank-1 identification rate). This is because there are several factors that influence the efficiency of face matchers including (i) the time lapse between the before and after image pre-processing and restoration face photos, (ii) the usage of different drugs (e.g. Dianabol, Winstrol, and Decabolan), (iii) the usage of different cameras to capture face images, and finally, (iv) the variability of standoff distance, illumination and other noise factors (e.g. motion noise). All of the previously mentioned complicated scenarios make clear that cross-scenario matching is a very challenging problem and, thus, further investigation is required.

  18. Urban School Chiefs Under Fire.

    Science.gov (United States)

    Cuban, Larry

    This study examines three veteran urban school superintendents who were highly respected by their colleagues but who came under intense pressure from forces outside the school systems in the 1960's. Chapter 1 explores the context of the desegregation controversy and the furor over an independent evaluation that faced Benjamin C. Willis in Chicago.…

  19. Portrait of Rural Virtual Schooling

    Science.gov (United States)

    Barbour, Michael K.

    2007-01-01

    Over the past two decades, distance education has become a reality of rural schooling in Newfoundland and Labrador. In this article, I provide historical background into the challenges facing rural schools in the province and how distance education was introduced to address that challenge. I also describe how that system of distance education…

  20. A 194 kilowatt solar photovoltaic flat panel power system for the combined Beverly High School/C. H. Patten Vocational High School, Beverly, Massachusetts

    Science.gov (United States)

    Addiss, R. R., Jr.; Lawson, P. A.

    1980-06-01

    The design and performance of a photovoltaic power system is discussed. The 194 kW system consists of the photovoltaic array, the inverter/control subsystem, the building and utility interface, and the monitoring subsystem. The photovoltaic array consists of 56 separate subarrays of 112 photovoltaic modules each, deployed in rows on the southerly facing slope north of the school building. The wiring scheme permits individual modules to be disconnected without a radical change in subarray output current. Power is transmitted at 4160 V from the inverters and a step up transformer to the main 4160 V utility feed line in the school. Separate metering measures power bought and sold. At the optimum tilt angle of 40 deg, the array provides 232 MWH of AC energy annually, or 17 percent of the school load. The immediate impact is an $8000 saving in the annual utility bill. Levelized busbar energy costs are reduced from $2/kWH to $1/kWH when site specific parameters are used in the analysis instead of the JPL specified nominal values. A fault detection and isolation scheme which can find a single modulus failure is incorporated into the monitoring subsystem.

  1. The Implications of System 4 Approach on School Leadership Practices

    Science.gov (United States)

    Khumalo, Steph Shuti

    2015-01-01

    School management is a highly contested research area. Credible research studies consistently argue that there is a positive relationship between school performance and school leadership. Like in any organisation, school principals deploy a number of leadership techniques to ensure that organisational objectives are achieved. School leadership is…

  2. Exploring the unconscious using faces.

    Science.gov (United States)

    Axelrod, Vadim; Bar, Moshe; Rees, Geraint

    2015-01-01

    Understanding the mechanisms of unconscious processing is one of the most substantial endeavors of cognitive science. While there are many different empirical ways to address this question, the use of faces in such research has proven exceptionally fruitful. We review here what has been learned about unconscious processing through the use of faces and face-selective neural correlates. A large number of cognitive systems can be explored with faces, including emotions, social cueing and evaluation, attention, multisensory integration, and various aspects of face processing. Copyright © 2014 Elsevier Ltd. All rights reserved.

  3. Codifying a Next-Generation Education System: Jefferson Parish Public School System

    Science.gov (United States)

    Education Development Center, Inc, 2009

    2009-01-01

    Using innovative strategies in collaboration with national and international education partners and school districts in Mississippi and Louisiana, Cisco Systems, Inc. (Cisco), has experimented with 21st Century education system reform ideas and strategies for the past four years. The Cisco 21S Initiative seeks to transform current approaches to…

  4. An Efficient Feature Extraction Method with Pseudo-Zernike Moment in RBF Neural Network-Based Human Face Recognition System

    Directory of Open Access Journals (Sweden)

    Ahmadi Majid

    2003-01-01

    Full Text Available This paper introduces a novel method for the recognition of human faces in digital images using a new feature extraction method that combines the global and local information in frontal view of facial images. Radial basis function (RBF neural network with a hybrid learning algorithm (HLA has been used as a classifier. The proposed feature extraction method includes human face localization derived from the shape information. An efficient distance measure as facial candidate threshold (FCT is defined to distinguish between face and nonface images. Pseudo-Zernike moment invariant (PZMI with an efficient method for selecting moment order has been used. A newly defined parameter named axis correction ratio (ACR of images for disregarding irrelevant information of face images is introduced. In this paper, the effect of these parameters in disregarding irrelevant information in recognition rate improvement is studied. Also we evaluate the effect of orders of PZMI in recognition rate of the proposed technique as well as RBF neural network learning speed. Simulation results on the face database of Olivetti Research Laboratory (ORL indicate that the proposed method for human face recognition yielded a recognition rate of 99.3%.

  5. Identifying Characteristics of a "Good School" in the British and Saudi Arabian Education Systems

    Science.gov (United States)

    Alzahrani, Saeed Musaid H.; Hammersley-Fletcher, Linda; Bright, Geoff

    2016-01-01

    This study aims at establishing whether primary schools in the Saudi education system conform to the characteristics of what are referred to as "good schools" in the British education system. The findings established through this study show that only 43.75% of primary schools in Saudi conform to the characteristics of what are referred…

  6. Organizing for Instruction in Education Systems and School Organizations: "How" the Subject Matters

    Science.gov (United States)

    Spillane, James P.; Hopkins, Megan

    2013-01-01

    Teaching, the core technology of schooling, is an essential consideration in investigations of education systems and school organizations. Taking teaching seriously as an explanatory variable in research on education systems and organizations necessitates moving beyond treating it as a unitary practice, so as to take account of the school subjects…

  7. A Systems Approach to Effectiveness in Catholic Elementary Schools: A Replication and Extension

    Science.gov (United States)

    Mitchell, Roxanne M.; Tarter, C. John

    2011-01-01

    This study replicated an earlier study conducted by Tarter and Hoy (2004) in which an open systems model was used to test a series of hypotheses that explained elements of school performance. Four internal system elements (structure, individual, culture, and politics) of the school were used to explain two sets of school outcomes (student…

  8. A Systems Approach to Quality in Elementary Schools: A Theoretical and Empirical Analysis

    Science.gov (United States)

    Tarter, C. John; Hoy, Wayne K.

    2004-01-01

    An open social systems model is used to frame and test a series of hypotheses. The socioeconomic status of the environment and four internal system elements (structure, individual, culture, politics) of the school are used to explain two sets of school outcomes: student achievement and teachers' assessments of overall school effectiveness. A…

  9. Solar Energy System Description Document: Scattergood School, Site ID 009, PON 2249.

    Science.gov (United States)

    International Business Machines Corp., Huntsville, AL.

    Described are the components, functions, and monitoring instrumentation of a solar heating system at Scattergood School, a Quaker school located in Iowa. The system provides the school gymnasium's space heating and preheating for domestic hot water. This project was constructed and is being evaluated under the United States Department of Energy's…

  10. Administrative Decentralization in School Systems and Its Effect on the Organization of Media Services. Atlanta Public Schools: A Case Study.

    Science.gov (United States)

    Williams, R. David

    This study reviews the literature on public school administration and on decentralization to establish the groundwork for an analysis of the administration of a decentralized school system and its media services, discusses some of the confusion in the centralization vs. decentralization debate, and presents a heuristic study of the administration…

  11. Can Schools Be Autonomous in a Centralised Educational System?: On Formal and Actual School Autonomy in the Italian Context

    Science.gov (United States)

    Agasisti, Tommaso; Catalano, Giuseppe; Sibiano, Piergiacomo

    2013-01-01

    Purpose: The purpose of this paper is to examine the difference between formal and real school autonomy in the Italian educational system. The Italian case is characterised by low levels of school autonomy. It is interesting to consider whether heterogeneity of patterns is possible in this context. A description of this heterogeneity is provided…

  12. Airborne Asbestos Exposures from Warm Air Heating Systems in Schools.

    Science.gov (United States)

    Burdett, Garry J; Dewberry, Kirsty; Staff, James

    2016-01-01

    The aim of this study was to investigate the concentrations of airborne asbestos that can be released into classrooms of schools that have amosite-containing asbestos insulation board (AIB) in the ceiling plenum or other spaces, particularly where there is forced recirculation of air as part of a warm air heating system. Air samples were collected in three or more classrooms at each of three schools, two of which were of CLASP (Consortium of Local Authorities Special Programme) system-built design, during periods when the schools were unoccupied. Two conditions were sampled: (i) the start-up and running of the heating systems with no disturbance (the background) and (ii) running of the heating systems during simulated disturbance. The simulated disturbance was designed to exceed the level of disturbance to the AIB that would routinely take place in an occupied classroom. A total of 60 or more direct impacts that vibrated and/or flexed the encapsulated or enclosed AIB materials were applied over the sampling period. The impacts were carried out at the start of the sampling and repeated at hourly intervals but did not break or damage the AIB. The target air volume for background samples was ~3000 l of air using a static sampler sited either below or ~1 m from the heater outlet. This would allow an analytical sensitivity (AS) of 0.0001 fibres per millilitre (f ml(-1)) to be achieved, which is 1000 times lower than the EU and UK workplace control limit of 0.1 f ml(-1). Samples with lower volumes of air were also collected in case of overloading and for the shorter disturbance sampling times used at one site. The sampler filters were analysed by phase contrast microscopy (PCM) to give a rapid determination of the overall concentration of visible fibres (all types) released and/or by analytical transmission electron microscopy (TEM) to determine the concentration of asbestos fibres. Due to the low number of fibres, results were reported in terms of both the calculated

  13. Famous face recognition, face matching, and extraversion.

    Science.gov (United States)

    Lander, Karen; Poyarekar, Siddhi

    2015-01-01

    It has been previously established that extraverts who are skilled at interpersonal interaction perform significantly better than introverts on a face-specific recognition memory task. In our experiment we further investigate the relationship between extraversion and face recognition, focusing on famous face recognition and face matching. Results indicate that more extraverted individuals perform significantly better on an upright famous face recognition task and show significantly larger face inversion effects. However, our results did not find an effect of extraversion on face matching or inverted famous face recognition.

  14. Systemic levers for change towards sustainable institutionalisation of ICT in schools

    CSIR Research Space (South Africa)

    Meyer, I

    2017-06-01

    Full Text Available pressure on the school environment, since schools are unable to sustain the change introduced without support from their formal support systems. Although the ICT for Rural Education Development (ICT4RED) initiative was successful in integrating technology...

  15. 8 CFR 214.12 - Preliminary enrollment of schools in the Student and Exchange Visitor Information System (SEVIS).

    Science.gov (United States)

    2010-01-01

    ... of schools in the Student and Exchange Visitor Information System (SEVIS). (a) Private elementary and private secondary schools, public high schools, post-secondary schools, language schools, and vocational... 8 Aliens and Nationality 1 2010-01-01 2010-01-01 false Preliminary enrollment of schools in the...

  16. Redesigning Systems of School Accountability: A Multiple Measures Approach to Accountability and Support

    Science.gov (United States)

    Bae, Soung

    2018-01-01

    The challenges facing our children in the 21st century are rapidly changing. As a result, schools bear a greater responsibility to prepare students for college, career, and life and must be held accountable for more than just testing and reporting on a narrow set of outcomes aimed at minimum levels of competency. Thus, scholars, educators, and…

  17. Mechanical Face Seal Dynamics.

    Science.gov (United States)

    1985-12-01

    1473, 83 APR EDITION OF I JAN 73 IS OBSOLETE. UNCLASSIFIED SECURITY CLASSIFICATION OF THIS PAGE -,1 - " P V 7 V - • ... f -N- PRE FACE This final...dimensionless mass m and support damping 1), ~ at-e aisas M"= -1,,i -4 4) y positive. ’he damping D is Ihe tinplete system of momeints acting on tile

  18. Modelling Terminal Examination System For Senior High Schools In Ghana

    Directory of Open Access Journals (Sweden)

    Seidu Azizu

    2017-10-01

    Full Text Available Modelling terminal examination management system using link softwares for Senior High Schools in Ghana is reported. Both Microsoft Excel and Access were integrated as back and front-end respectively. The two softwares were linked for update of records as well as security purposes during data entry of students records. The link was collapsed after the deadline of data entry to convert the access table to local and enhance data security. Based on the proposed system multiple parameters such as invigilators marks grades attendance and absenteeism were assessed and identified for the various subjects in the entire examination processes. The System applied structured query languagesql for searching specific named parameter for analysis where the total number written papers number of students and performance could also be accessed.

  19. A New Anomaly Detection System for School Electricity Consumption Data

    Directory of Open Access Journals (Sweden)

    Wenqiang Cui

    2017-11-01

    Full Text Available Anomaly detection has been widely used in a variety of research and application domains, such as network intrusion detection, insurance/credit card fraud detection, health-care informatics, industrial damage detection, image processing and novel topic detection in text mining. In this paper, we focus on remote facilities management that identifies anomalous events in buildings by detecting anomalies in building electricity consumption data. We investigated five models within electricity consumption data from different schools to detect anomalies in the data. Furthermore, we proposed a hybrid model that combines polynomial regression and Gaussian distribution, which detects anomalies in the data with 0 false negative and an average precision higher than 91%. Based on the proposed model, we developed a data detection and visualization system for a facilities management company to detect and visualize anomalies in school electricity consumption data. The system is tested and evaluated by facilities managers. According to the evaluation, our system has improved the efficiency of facilities managers to identify anomalies in the data.

  20. State School Finance System Variance Impacts on Student Achievement: Inadequacies in School Funding

    Science.gov (United States)

    Hoffman, Michael J.; Wiggall, Richard L.; Dereshiwsky, Mary I.; Emanuel, Gary L.

    2013-01-01

    Adequate funding for the nation's schools to meet the call for higher student achievement has been a litigious issue. Spending on schools is a political choice. The choices made by state legislatures, in some cases, have failed to fund schools adequately and have incited school finance lawsuits in almost all states. These proceedings are generally…

  1. The Effects of an After-School Tutoring Program on the Pennsylvania System of School Assessment

    Science.gov (United States)

    Carbone, Peter M.

    2010-01-01

    Due to the challenges of the No Child Left Behind Act of 2001, many schools and school districts are implementing after-school tutoring programs to provide students additional instruction to score proficient or better in reading and mathematics. This doctoral study analyzed the effects of the ABC Middle School Educational Assistance Program…

  2. School absence and treatment in school children with respiratory symptoms in the Netherlands: Data from the Child Health Monitoring System

    NARCIS (Netherlands)

    Spee-van Der Wekke, J.; Meulmeester, J.F.; Radder, J.J.; Verloove-Vanhorick, S.P.

    1998-01-01

    Study objective - To assess the prevalence of respiratory problems, and the relation of these problems with school attendance, medicine use, and medical treatment. Design - The Child Health Monitoring System. Setting - Nineteen public health services across the Netherlands. Participants - 5186

  3. Assessing the readiness of a school system to adopt food allergy management guidelines.

    Science.gov (United States)

    Eldredge, Christina; Patterson, Leslie; White, Brenda; Schellhase, Kenneth

    2014-08-01

    The prevalence of potentially fatal food allergies in school-aged children is rising. It is important for schools to have a food allergy management policy and an emergency action plan for each affected student. To examine the current status of food allergy guideline and/or policy implementation and adoption in a large school system in southeastern Wisconsin. A 24-item anonymous electronic survey was developed and completed by school principals and administrators in the Archdiocese of Milwaukee School System (approximately 125 schools) in southeastern Wisconsin. One in 4 responding schools reported no guidelines or policy. Schools that reported having students with special needs due to food allergy were more likely to have a local food allergy policy compared to schools that did not report having students with food allergy special needs (OR 6.3, 1.5-26, P = 0.01). Schools with food allergy guidelines/policies were 3.5 times more likely to require student individual action plans than schools with no guidelines or policies (OR 3.5, 1.00-12.2, P = 0.05). Gaps in evidence-based food allergy policy implementation were found in this school system. Schools with food-allergic children with special needs were more likely to have guidelines/policy, however, they were not more likely to require emergency action plans. The majority of schools (66, 90%) reported interest in receiving further information or training on food allergy management.

  4. "There's a Problem, and We've Got to Face It": How Staff Members Wrestled with Race in an Urban High School

    Science.gov (United States)

    Buehler, Jennifer

    2013-01-01

    Educators who initiate school reform work often find that attempts to raise student achievement and change school culture are derailed when staff members refuse to address issues of race. At the same time, staff members who collectively resist engaging in discussions of racism and racial inequality may be actively involved in their own individual…

  5. Tempering the Normative Demands of Professional Learning Communities with the Organizational Realities of Life in Schools: Exploring the Cognitive Dilemmas Faced by Educational Leaders

    Science.gov (United States)

    Kruse, Sharon D.; Johnson, Bob L.

    2017-01-01

    This work explores how mindful leadership practice can inform school and district leadership specifically as it occurs in professional learning communities (PLC). When school and district leaders create PLC cultures that encourage rich thinking and intentional practice, individual and organizational mindfulness is present. As leaders work to craft…

  6. Vertical vector face lift.

    Science.gov (United States)

    Somoano, Brian; Chan, Joanna; Morganroth, Greg

    2011-01-01

    Facial rejuvenation using local anesthesia has evolved in the past decade as a safer option for patients seeking fewer complications and minimal downtime. Mini- and short-scar face lifts using more conservative incision lengths and extent of undermining can be effective in the younger patient with lower face laxity and minimal loose, elastotic neck skin. By incorporating both an anterior and posterior approach and using an incision length between the mini and more traditional face lift, the Vertical Vector Face Lift can achieve longer-lasting and natural results with lesser cost and risk. Submentoplasty and liposuction of the neck and jawline, fundamental components of the vertical vector face lift, act synergistically with superficial musculoaponeurotic system plication to reestablish a more youthful, sculpted cervicomental angle, even in patients with prominent jowls. Dramatic results can be achieved in the right patient by combining with other procedures such as injectable fillers, chin implants, laser resurfacing, or upper and lower blepharoplasties. © 2011 Wiley Periodicals, Inc.

  7. Changing societies and four tasks of schooling: Challenges for strongly differentiated educational systems

    Science.gov (United States)

    van de Werfhorst, Herman G.

    2014-05-01

    Changing labour markets, increased calls for selection and excellence, and increased diversity and individualisation have repercussions on how educational systems can prepare youth for work, optimise knowledge production, achieve equality of opportunity, and socialise students into active civic engagement. This paper discusses four central tasks of schooling and examines to what extent societal developments challenge education policy to deliver on the tasks at hand. Particular attention is given to the challenges Europe's strongly diversified educational systems are currently facing. Both the Netherlands and Germany, for example, have been offering vocationally-oriented pathways alongside traditional academic higher education for some time. But today's ongoing changes in job descriptions, mainly due to ever-accelerating technological developments, are causing a risk of skills obsolescence which can only be avoided by continuous upskilling and/or reskilling of a sufficiently flexible workforce. Overcoming differences of intelligence as well as differences of diverse socioeconomic, ethnic and linguistic backgrounds by way of education is another challenge, as is fostering "soft" skills and political awareness. This paper investigates the effectiveness of current education systems in preparing citizens for a functioning modern society.

  8. Virtual & Real Face to Face Teaching

    Science.gov (United States)

    Teneqexhi, Romeo; Kuneshka, Loreta

    2016-01-01

    In traditional "face to face" lessons, during the time the teacher writes on a black or white board, the students are always behind the teacher. Sometimes, this happens even in the recorded lesson in videos. Most of the time during the lesson, the teacher shows to the students his back not his face. We do not think the term "face to…

  9. Evidence-based research on the value of school nurses in an urban school system.

    Science.gov (United States)

    Baisch, Mary J; Lundeen, Sally P; Murphy, M Kathleen

    2011-02-01

    With the increasing acuity of student health problems, growing rates of poverty among urban families, and widening racial/ethnic health disparities in child and adolescent health indicators, the contributions of school nurses are of increasing interest to policymakers. This study was conducted to evaluate the impact of school nurses on promoting a healthy school environment and healthy, resilient learners. A mixed-methods approach was used for this study. Using a cross-sectional design, surveys captured the level of satisfaction that school staff had with the nurse in their school, as well as their perceptions of the impact of the nurse on the efficient management of student health concerns. Using a quasi-experimental design, data from electronic school records were used to compare rates of immunization and completeness of health records in schools with nurses. This study provides evidence that school nurses positively influenced immunization rates, the accuracy of student health records, and management of student health concerns. This research demonstrates that teachers and other staff consider nurse interventions vital to eliminating barriers to student learning and improving overall school health. A cost analysis revealed the estimated annual cost per school for the time staff spent managing health concerns. In an environment of scarce resources, school boards need quality evaluation data to justify hiring and retaining school nurses to support improved school health environments. © 2011, American School Health Association.

  10. Solar-energy-system performance evaluation: Irvine School (El Camino Real Elementary School) Irvine, California, October 1978-March 1979

    Energy Technology Data Exchange (ETDEWEB)

    Smith, H.T.

    1979-01-01

    The Irvine School in California has a solar heating and cooling system consisting of evacuated tube collectors, two absorption chillers, a heat rejector, and heat exchanger. The system and its operation are briefly described, and its performance is analyzed using a system energy balance technique. The performance of major subsystems is also presented. (LEW)

  11. Detection of morphological changes in cliff face surrounding a waterfall using terrestrial laser scanning and unmanned aerial system

    Science.gov (United States)

    Hayakawa, Yuichi S.; Obanawa, Hiroyuki

    2015-04-01

    Waterfall or bedrock knickpoint appears as an erosional front in bedrock rivers forming deep v-shaped valley downstream. Following the rapid fluvial erosion of waterfall, rockfalls and gravita-tional collapses often occur in surrounding steep cliffs. Although morphological changes of such steep cliffs are sometimes visually observed, quantitative and precise measurements of their spatio-temporal distribution have been limited due to the difficulties in direct access to such cliffs if with classical measurement methods. However, for the clarification of geomorphological processes oc-curring in the cliffs, multi-temporal mapping of the cliff face at a high resolution is necessary. Re-mote sensing approaches are therefore suitable for the topographic measurements and detection of changes in such inaccessible cliffs. To achieve accurate topographic mapping of cliffs around a wa-terfall, here we perform multi-temporal terrestrial laser scanning (TLS), as well as structure-from-motion multi-view stereo (SfM-MVS) photogrammetry based on unmanned aerial system (UAS). The study site is Kegon Falls in central Japan, having a vertical drop of surface water from top of its overhanging cliff, as well as groundwater outflows from its lower portions. The bedrock is composed of alternate layers of andesite lava and conglomerates. Minor rockfalls in the cliffs are often ob-served by local people. The latest major rockfall occurred in 1986, causing ca. 8-m upstream propa-gation of the waterfall lip. This provides a good opportunity to examine the changes in the surround-ing cliffs following the waterfall recession. Multi-time point clouds were obtained by TLS measure-ment over years, and the three-dimensional changes of the rock surface were detected, uncovering the locus of small rockfalls and gully developments. Erosion seems particularly frequent in relatively weak the conglomerates layer, whereas small rockfalls seems to have occurred in the andesite layers. Also, shadows in the

  12. Humanizing the Classroom: Praxis of Full Day School System in Indonesia

    Science.gov (United States)

    Suyatno; Wantini

    2018-01-01

    The full day school program is a new model in the education management system in Indonesia. This phenomenon is interesting because there is a paradox in it. Education in Indonesia is often criticized for the learning which is too heavy, but the full day school program gets a positive response from the community although it has longer school hours.…

  13. A Self-Improving School System and Its Potential for Reducing Inequality

    Science.gov (United States)

    Hargreaves, David H.

    2014-01-01

    After a brief review of some milestones in the story of how schools contribute to inequalities in student achievement, more recent work on how experience of collaboration between schools can help to narrow the gap is shown to underpin the new concept of a self-improving school system. The main focus is then on the principal features of a…

  14. Seeing Wholes: The Concept of Systems Thinking and Its Implementation in School Leadership

    Science.gov (United States)

    Shaked, Haim; Schechter, Chen

    2013-01-01

    Systems thinking (ST) is an approach advocating thinking about any given issue as a whole, emphasising the interrelationships between its components rather than the components themselves. This article aims to link ST and school leadership, claiming that ST may enable school principals to develop highly performing schools that can cope successfully…

  15. Understanding and Managing Staff Development in an Urban School System. Final Report.

    Science.gov (United States)

    Schlechty, Phillip; And Others

    A study is reported that examined the way staff development functions in schools, the effects of staff development, and the interaction between staff development and other activities and conditions in school systems. The study took place in a large urban school district (in the Southeast) that is heavily committed to and involved in staff…

  16. City Schools: How Districts and Communities Can Create Smart Education Systems

    Science.gov (United States)

    Rothman, Robert, Ed.

    2007-01-01

    In "City Schools," Robert Rothman and his colleagues at the Annenberg Institute for School Reform at Brown University put forward a vision of "smart education systems" that link a highly functioning and effective school district with a comprehensive and accessible web of supports for children, youth, and families. One-third of…

  17. An Assessment of the Use of Geographical Information Systems (GIS) in Teaching Geography in Singapore Schools

    Science.gov (United States)

    Yap, Lee Yong; Tan, Geok Chin Ivy; Zhu, Xuan; Wettasinghe, Marissa C.

    2008-01-01

    In 1998, geographical information systems (GIS) were introduced to secondary schools in Singapore as a tool for teaching geography at the secondary and junior college levels. However, general observations and feedback from school teachers suggested that only a small number of secondary schools and junior colleges in Singapore were actually using…

  18. Staffing Patterns in Public School Systems: Current Status and Trends, Update 2001. Research Snapshot.

    Science.gov (United States)

    Williams, Alicia D.; Protheroe, Nancy; Parks, Michael C.

    Staffing patterns in American public-school systems are presented in this report of the 2000-01 school year. The report addresses the following: why information about staffing ratios is important; how many people currently work in public schools; what proportion of these are teachers, administrators, and support staff; current staffing patterns in…

  19. Am I Safe Here? LGBTQ Teens and Bullying in Schools

    Science.gov (United States)

    Short, Donn

    2017-01-01

    "Am I safe here?" LGBTQ students ask this question every day within the school system. This book shines a light on the marginalization and bullying faced by LGBTQ youth, offering a new conceptualization of school safety. Donn Short treats students as the experts on what happens in their schools, giving them a chance to speak for…

  20. Leadership Strategies for Maintaining Success in a Rural School District

    Science.gov (United States)

    Freeman, Greta G.; Randolph, Ivan

    2013-01-01

    Success in a PK-12 educational environment begins at the top with school leadership. Due to economic problems, poverty and added responsibilities, leaders in rural communities throughout the United States face sensitive and distinctive challenges. Based on research and years of administrative experience as school and school system leaders, the…

  1. Approaches for Improving Earth System Science Education in Middle Schools and High Schools in the United States (Invited)

    Science.gov (United States)

    Adams, P. E.

    2009-12-01

    Earth system science is an often neglected subject in the US science curriculum. The state of Kansas State Department of Education, for example, has provided teachers with a curriculum guide for incorporating earth system science as an ancillary topic within the subjects of physics, chemistry, and the biological sciences. While this does provide a means to have earth system science within the curriculum, it relegates earth system science topics to a secondary status. In practice, earth system science topics are considered optional or only taught if there is time within an already an overly crowded curriculum. Given the importance of developing an educated citizenry that is capable of understanding, coping, and deciding how to live in a world where climate change is a reality requires a deeper understanding of earth system science. The de-emphasis of earth system science in favor of other science disciplines makes it imperative to seek opportunities to provide teachers, whose primary subject is not earth system science, with professional development opportunities to develop content knowledge understanding of earth system science, and pedagogical content knowledge (i.e. effective strategies for teaching earth system science). This is a noble goal, but there is no single method. At Fort Hays State University we have developed multiple strategies from face-to-face workshops, on-line coursework, and academic year virtual and face-to-face consultations with in-service and pre-service teachers. A review of the techniques and measures of effectiveness (based on teacher and student performance), and strengths and limitations of each method will be presented as an aid to other institutions and programs seeking to improve the teaching and learning of earth system science in their region.

  2. Making Mass Schooling Affordable: In-Kind Taxation and the Establishment of an Elementary School System in Sweden, 1840-1870

    Science.gov (United States)

    Westberg, Johannes

    2016-01-01

    This article discusses the significance of in-kind taxation and payments in kind for the establishment of an elementary school system in Sweden, in the 1840-1870 period. By analysing the funding of teachers' wages, the heating of the school facilities, and school building construction in the 12 rural school districts of the Sundsvall region, this…

  3. Teacher Opinions on the Problems Faced in Reading and Writing by Syrian Migrant Children in Their First Class at Primary School

    Science.gov (United States)

    Ugurlu, Necla Isikdogan; Kayhan, Nilay

    2018-01-01

    The objective of this study is to evaluate, according to the opinions of teachers, the problems faced by the children of Syrian families who have taken refuge in Turkey since 2011 with regard to their linguistic and communication skills, as well as their reading and writing process in Turkish as a foreign language. The research group is composed…

  4. An Exploratory Study of Distinguishing Challenges Faced by Mid-Life Teacher Candidates

    Science.gov (United States)

    Tanksley, James F.

    2012-01-01

    The United States public education system is facing a possible shortage of several hundred thousand teachers over the next decade. To overcome the projected shortfall in teacher supply, schools of education of state university and college systems may need to look to the fastest growing segment of the college student population, the non-traditional…

  5. Small Schools in Rural India: "Exclusion" and "Inequity" in Hierarchical School System

    Science.gov (United States)

    Diwan, Rashmi

    2015-01-01

    Small schools have enjoyed rich traditions in the history of education. The Vedic-age gurukula small schools, an abode for children of the privileged few, followed a structured curriculum in the teaching of religion, scriptures, philosophy, literature, warfare, medicine, astrology and history. The rigvedic small schools, which were more…

  6. A preliminary survey analysis of school shuttle bus system towards smart mobility solutions

    Science.gov (United States)

    Yue, Wong Seng; Hoy, Cheong Wan; Chye, Koh Keng

    2017-10-01

    Mobility and accessibility are crucial indicators of urban development. Public transport in the urban areas came into existence to fulfil transportation needs as well as mobility and accessibility demands. Ridership can be affected by the quality and quantity of transit service. However, technical improvements are needed for such as real-time bus information, controlling run time and headway delay. Thus, this paper is aimed to carry out a preliminary survey to determine the problems of school shuttle bus that faced by the students in a selected educational institution, their perceptions of using shuttle bus tracking and information mobile application and impacts of real-time information of public transits on bus ridership and towards smart mobility solutions. Efficient public transportation system needs further investigation about the role of mobile application for the bus tracking system in supporting smart mobility actions and real-time information. The proposed application also provides a smart solution for the management of public infrastructures and urban facilities in Malaysia in future. Eventually, this study opens an opportunity to improve Malaysian quality of life on the public value that created for the city as a whole.

  7. Development of Effective Academic Affairs Administration System in Thai Primary Schools

    Science.gov (United States)

    Thongnoi, Niratchakorn; Srisa-ard, Boonchom; Sri-ampai, Anan

    2013-01-01

    This research aimed to: 1) study current situations and problems of academic affairs administration system in Primary Schools. 2) develop an effective academic affairs administration system, and 3) evaluate the implementation of the developed system in the primary school, Thailand. Research and Development (R&D) was employed which consisted of…

  8. Solar heating and domestic hot water system installed at North Dallas High School

    Science.gov (United States)

    1980-01-01

    The solar energy system located at the North Dallas High School, Dallas, Texas is discussed. The system is designed as a retrofit in a three story with basement, concrete frame high school building. Extracts from the site files, specification references for solar modification to existing building heating and domestic hot water systems, drawings, installation, operation and maintenance instructions are included.

  9. The higher school teaching staff professional development system creation on the adaptive management principles

    Directory of Open Access Journals (Sweden)

    Borova T.A.

    2012-03-01

    Full Text Available The article deals with theoretical analysis of the higher school teaching staff professional development system creation on the adaptive management principles. It is determined the background and components of the higher school teaching staff professional development adaptive management system. It is specified the mechanisms for higher school teaching staff professional development adaptive management: monitoring and coaching. It is shown their place in the higher school teaching staff professional development system on the adaptive management principles. The results of the system efficiency are singled out.

  10. EXPERIENCE OF USING THE “ANTI-PLAGIARISM. HIGHER SCHOOL INSTITUTION” SYSTEM IN THE COURSE OF CHEMISTRY FOR STUDENTS OF ENGINEERING ACADEMY RUDN

    Directory of Open Access Journals (Sweden)

    Елена Юрьевна Невская

    2017-12-01

    Full Text Available When checking the written work of students each teacher faced with the problem of determining the originality of the work. At the department of General Chemistry RUDN University the system “Anti-plagiarism. Higher School Institution” is used for this purpose. Using this system when checking the work for borrowings from online sources, saves the teacher the routine of searching for matching blocks. In addition, the using of this system is aimed at improving the implementation of a culture of scientific citation, without which no research project in chemistry can be done, is aimed at increasing the level of scientific educational process of the students.

  11. Face adaptation improves gender discrimination.

    Science.gov (United States)

    Yang, Hua; Shen, Jianhong; Chen, Juan; Fang, Fang

    2011-01-01

    Adaptation to a visual pattern can alter the sensitivities of neuronal populations encoding the pattern. However, the functional roles of adaptation, especially in high-level vision, are still equivocal. In the present study, we performed three experiments to investigate if face gender adaptation could affect gender discrimination. Experiments 1 and 2 revealed that adapting to a male/female face could selectively enhance discrimination for male/female faces. Experiment 3 showed that the discrimination enhancement induced by face adaptation could transfer across a substantial change in three-dimensional face viewpoint. These results provide further evidence suggesting that, similar to low-level vision, adaptation in high-level vision could calibrate the visual system to current inputs of complex shapes (i.e. face) and improve discrimination at the adapted characteristic. Copyright © 2010 Elsevier Ltd. All rights reserved.

  12. The Soviet School System during Nazi Occupation (1941-1944)

    Science.gov (United States)

    Krinko, Evgeny Fedorovich

    2016-01-01

    The article explores Soviet schooling in the occupied territory of the USSR during the Great Patriotic War. The author considers such issues as the reduction in the number of schools, changes in curricular content, and problems in the organization of schooling and the work of teachers. The article notes the effects of various factors on the…

  13. Successfully Integrating Climate Change Education into School System Curriculum

    Science.gov (United States)

    Scallion, M.

    2017-12-01

    Maryland's Eastern Shore is threatened by climate change driven sea level rise. By working with school systems, rather than just with individual teachers, educators can gain access to an entire grade level of students, assuring that all students, regardless of socioeconomic background or prior coursework have an opportunity to explore the climate issue and be part of crafting community level solutions for their communities. We will address the benefits of working with school system partners to achieve a successful integration of in-school and outdoor learning by making teachers and administrators part of the process. We will explore how, through the Maryland and Delaware Climate Change Education, Assessment, and Research Project, teachers, content supervisors and informal educators worked together to create a climate curriculum with local context that effectively meets Common Core and Next Generation Science Standards. Over the course of several weeks during the year, students engage in a series of in-class and field activities directly correlated with their science curriculum. Wetlands and birds are used as examples of the local wildlife and habitat being impacted by climate change. Through these lessons led by Pickering Creek Audubon Center educators and strengthened by material covered by classroom teachers, students get a thorough introduction to the mechanism of climate change, local impacts of climate change on habitats and wildlife, and actions they can take as a community to mitigate the effects of climate change. The project concludes with a habitat and carbon stewardship project that gives students and teachers a sense of hope as they tackle this big issue on a local scale. We'll explore how the MADE-CLEAR Informal Climate Change Education (ICCE) Community of Practice supports Delaware and Maryland environmental educators in collaboratively learning and expanding their programming on the complex issue of climate change. Participants will learn how to

  14. Airborne fibre and asbestos concentrations in system built schools

    Science.gov (United States)

    Burdett, Garry; Cottrell, Steve; Taylor, Catherine

    2009-02-01

    This paper summarises the airborne fibre concentration data measured in system built schools that contained asbestos insulation board (AIB) enclosed in the support columns by a protective steel casing. The particular focus of this work was the CLASP (Consortium of Local Authorities Special Programme) system buildings. A variety of air monitoring tests were carried out to assess the potential for fibres to be released into the classroom. A peak release testing protocol was adopted that involved static sampling, while simulating direct impact disturbances to selected columns. This was carried out before remediation, after sealing gaps and holes in and around the casing visible in the room (i.e. below ceiling level) and additionally round the tops of the columns, which extended into the suspended ceiling void. Simulated and actual measurements of worker exposures were also undertaken, while sealing columns, carrying out cleaning and maintenance work in the ceiling voids. Routine analysis of these air samples was carried out by phase contrast microscopy (PCM) with a limited amount of analytical transmission electron microscopy (TEM) analysis to confirm whether the fibres visible by PCM were asbestos or non-asbestos. The PCM fibre concentrations data from the peak release tests showed that while direct releases of fibres to the room air can occur from gaps and holes in and around the column casings, sealing is an effective way of minimising releases to below the limit of quantification (0.01 f/ml) of the PCM method for some 95% of the tests carried out. Sealing with silicone filler and taping any gaps and seams visible on the column casing in the room, also gave concentrations below the limit of quantification (LOQ) of the PCM method for 95% of the tests carried out. The data available did not show any significant difference between the PCM fibre concentrations in the room air for columns that had or had not been sealed in the ceiling void, as well as in the room

  15. Airborne fibre and asbestos concentrations in system built schools

    International Nuclear Information System (INIS)

    Burdett, Garry; Cottrell, Steve; Taylor, Catherine

    2009-01-01

    This paper summarises the airborne fibre concentration data measured in system built schools that contained asbestos insulation board (AIB) enclosed in the support columns by a protective steel casing. The particular focus of this work was the CLASP (Consortium of Local Authorities Special Programme) system buildings. A variety of air monitoring tests were carried out to assess the potential for fibres to be released into the classroom. A peak release testing protocol was adopted that involved static sampling, while simulating direct impact disturbances to selected columns. This was carried out before remediation, after sealing gaps and holes in and around the casing visible in the room (i.e. below ceiling level) and additionally round the tops of the columns, which extended into the suspended ceiling void. Simulated and actual measurements of worker exposures were also undertaken, while sealing columns, carrying out cleaning and maintenance work in the ceiling voids. Routine analysis of these air samples was carried out by phase contrast microscopy (PCM) with a limited amount of analytical transmission electron microscopy (TEM) analysis to confirm whether the fibres visible by PCM were asbestos or non-asbestos. The PCM fibre concentrations data from the peak release tests showed that while direct releases of fibres to the room air can occur from gaps and holes in and around the column casings, sealing is an effective way of minimising releases to below the limit of quantification (0.01 f/ml) of the PCM method for some 95% of the tests carried out. Sealing with silicone filler and taping any gaps and seams visible on the column casing in the room, also gave concentrations below the limit of quantification (LOQ) of the PCM method for 95% of the tests carried out. The data available did not show any significant difference between the PCM fibre concentrations in the room air for columns that had or had not been sealed in the ceiling void, as well as in the room

  16. SU-F-T-640: Feasibility of Using a Commercially Available Surface Guided Radiotherapy System with An Open-Face SRS Immobilization System

    Energy Technology Data Exchange (ETDEWEB)

    Chinsky, B; Patel, R; Roeske, J; Surucu, M [Loyola University Medical Center, Maywood, IL (United States)

    2016-06-15

    Purpose: To evaluate the inherent accuracy of using a surface guided radiotherapy system (SGRT) in the setup and monitoring of patients receiving stereotactic radiosurgery with an open-face SRS immobilization system. Methods: An anthropomorphic head phantom was set up using the Qfix Encompass SRS Immobilization System on a Varian Edge with OSMS and Varian TrueBeam with AlignRT. The phantom was positioned at 0° gantry and couch. A reference image was acquired using the SGRT system and an ROI was created over the mask opening. The couch and gantry were rotated to different combinations focusing on clinically used SRS gantry/couch combinations and those blocking the SGRT cameras. Perceived surface deviation by the SGRT system from the reference image was recorded. A Winston-Lutz test was performed on couch angles tested and used to exclude couch walkout. The deviation magnitude was calculated using translational values and rotational raw values were recorded. Results: The maximum couch walkouts were: 0.4mm (Edge) and 0.5mm (TB). Solely rotating the gantry resulted in a median couch deviation of 0.2mm and range of 0.1–0.3mm for both linacs. Only rotating the couch (0° gantry) resulted in median deviations of 0.6mm and 0.5mm with ranges of 0.3–1.0mm and 0.3–0.7mm for the Edge and TB, respectively. Combining gantry and couch rotations, the median deviations were 0.7mm and 0.9mm with ranges of 0.3–1.1mm and 0.2–1.9mm for the Edge and TB, respectively. Including all combinations, rotation, roll, and pitch median deviations ranged from 0.1–0.3° with pitch demonstrating consistently higher values and a maximum deviation of 1.0° (both linacs). Conclusion: SGRT is a reliable monitoring tool, though taking into account system fluctuations, 1mm is too restrictive a site tolerance to use with the Qfix Encompass mask. Gantry rotation has little effect on system fluctuation even with camera blockage, whereas couch rotation has a larger effect.

  17. SU-F-T-640: Feasibility of Using a Commercially Available Surface Guided Radiotherapy System with An Open-Face SRS Immobilization System

    International Nuclear Information System (INIS)

    Chinsky, B; Patel, R; Roeske, J; Surucu, M

    2016-01-01

    Purpose: To evaluate the inherent accuracy of using a surface guided radiotherapy system (SGRT) in the setup and monitoring of patients receiving stereotactic radiosurgery with an open-face SRS immobilization system. Methods: An anthropomorphic head phantom was set up using the Qfix Encompass SRS Immobilization System on a Varian Edge with OSMS and Varian TrueBeam with AlignRT. The phantom was positioned at 0° gantry and couch. A reference image was acquired using the SGRT system and an ROI was created over the mask opening. The couch and gantry were rotated to different combinations focusing on clinically used SRS gantry/couch combinations and those blocking the SGRT cameras. Perceived surface deviation by the SGRT system from the reference image was recorded. A Winston-Lutz test was performed on couch angles tested and used to exclude couch walkout. The deviation magnitude was calculated using translational values and rotational raw values were recorded. Results: The maximum couch walkouts were: 0.4mm (Edge) and 0.5mm (TB). Solely rotating the gantry resulted in a median couch deviation of 0.2mm and range of 0.1–0.3mm for both linacs. Only rotating the couch (0° gantry) resulted in median deviations of 0.6mm and 0.5mm with ranges of 0.3–1.0mm and 0.3–0.7mm for the Edge and TB, respectively. Combining gantry and couch rotations, the median deviations were 0.7mm and 0.9mm with ranges of 0.3–1.1mm and 0.2–1.9mm for the Edge and TB, respectively. Including all combinations, rotation, roll, and pitch median deviations ranged from 0.1–0.3° with pitch demonstrating consistently higher values and a maximum deviation of 1.0° (both linacs). Conclusion: SGRT is a reliable monitoring tool, though taking into account system fluctuations, 1mm is too restrictive a site tolerance to use with the Qfix Encompass mask. Gantry rotation has little effect on system fluctuation even with camera blockage, whereas couch rotation has a larger effect.

  18. Benchmarks for enhanced network performance: hands-on testing of operating system solutions to identify the optimal application server platform for the Graduate School of Business and Public Policy

    OpenAIRE

    Burman, Rex; Coca, Anthony R.

    2010-01-01

    MBA Professional Report With the release of next generation operating systems, network managers face the prospect of upgrading their systems based on the assumption that "newer is better". The Graduate School of Business and Public Policy is in the process of upgrading their network application server and one of the most important decisions to be made is which Server Operating System to use. Based on hands-on benchmark tests and analysis we aim to assist the GSBPP by providing benchma...

  19. Science school and culture school: improving the efficiency of high school science teaching in a system of mass science education.

    Science.gov (United States)

    Charlton, Bruce G

    2006-01-01

    Educational expansion in western countries has been achieved mainly by adding years to full-time education; however, this process has probably reduced efficiency. Sooner or later, efficiency must improve, with a greater educational attainment per year. Future societies will probably wish more people to study science throughout high school (aged c. 11-19 years) and the first college degree. 'Science' may be defined as any abstract, systematic and research-based discipline: including mathematics, statistics and the natural sciences, economics, music theory, linguistics, and the conceptual or quantitative social sciences. Since formal teaching is usually necessary to learn science, science education should be regarded as the core function of high schools. One standard way to improve efficiency is the 'division of labour', with increased specialization of function. Modern schools are already specialized: teachers are specialized according to age-group taught, subject matter expertise, and administrative responsibilities. School students are stratified by age and academic aptitude. I propose a further institutional division of school function between science education, and cultural education (including education in arts, sports, ethics, social interaction and good citizenship). Existing schools might split into 'science school' and 'culture school', reflected in distinct buildings and zones, separate administrative structures, and the recruitment of differently-specialized teaching personnel. Science school would be distinguished by its focus on education in disciplines which promote abstract systematic cognition. All students would spend some part of each day (how much would depend on their aptitude and motivation) in the 'science school'; experiencing a traditional-style, didactic, disciplined and rigorous academic education. The remainder of the students' time at school would be spent in the cultural division, which would focus on broader aspects, and aim to generate

  20. [Healthy eating and the difficulties faced in making it a reality: perceptions of parents/guardians of pre-school children in Belo Horizonte/MG, Brazil].

    Science.gov (United States)

    Bento, Isabel Cristina; Esteves, Juliana Maria de Melo; França, Thaís Elias

    2015-08-01

    A cross-sectional qualitative study was conducted to establish the perceptions of 77 guardians of preschool children enrolled in a Child Day Care Center in Belo Horizonte/Minas Gerais State, regarding what is a healthy diet and the difficulties faced in having a healthy diet. The instrument used was a pretested semi-structured questionnaire containing leading questions obtained in face-to-face interviews. For data analysis, the Collective Subject Discourse technique was used, which elicited data organization of a verbal nature. It was revealed that the guardians have a notion of what healthy diet is, however their answers implied inadequate eating habits. They attributed insufficient financial resources, lack of time and ingrained eating habits as being the main difficulties in having a healthy diet. These three difficulties are the reasons given by some guardians who do not believe they have a healthy diet. The conclusion drawn is that the guardians need to have a better diet, because their eating habits influence their children's eating habits. These findings revealed the need for food and nutrition education strategies to enable the guardians to recognize and have a healthy diet.

  1. Face pareidolia in the rhesus monkey

    OpenAIRE

    Taubert, Jessica; Wardle, Susan G.; Flessert, Molly; Leopold, David A.; Ungerleider, Leslie G.

    2017-01-01

    Face perception in humans and non-human primates is rapid and accurate[1–4]. In the human brain, a network of visual processing regions is specialized for faces[5–7]. Although face processing is a priority of the primate visual system, face detection is not infallible. Face pareidolia is the compelling illusion of perceiving facial features on inanimate objects, such as the illusory face on the surface of the moon. Although face pareidolia is commonly experienced by humans, its presence in ot...

  2. Kernel learning algorithms for face recognition

    CERN Document Server

    Li, Jun-Bao; Pan, Jeng-Shyang

    2013-01-01

    Kernel Learning Algorithms for Face Recognition covers the framework of kernel based face recognition. This book discusses the advanced kernel learning algorithms and its application on face recognition. This book also focuses on the theoretical deviation, the system framework and experiments involving kernel based face recognition. Included within are algorithms of kernel based face recognition, and also the feasibility of the kernel based face recognition method. This book provides researchers in pattern recognition and machine learning area with advanced face recognition methods and its new

  3. European cinema: face to face with Hollywood

    NARCIS (Netherlands)

    Elsaesser, T.

    2005-01-01

    In the face of renewed competition from Hollywood since the early 1980s and the challenges posed to Europe's national cinemas by the fall of the Wall in 1989, independent filmmaking in Europe has begun to re-invent itself. European Cinema: Face to Face with Hollywood re-assesses the different

  4. A Face Inversion Effect without a Face

    Science.gov (United States)

    Brandman, Talia; Yovel, Galit

    2012-01-01

    Numerous studies have attributed the face inversion effect (FIE) to configural processing of internal facial features in upright but not inverted faces. Recent findings suggest that face mechanisms can be activated by faceless stimuli presented in the context of a body. Here we asked whether faceless stimuli with or without body context may induce…

  5. Risk Analysis and Prediction of Floor Failure Mechanisms at Longwall Face in Parvadeh-I Coal Mine using Rock Engineering System (RES)

    Science.gov (United States)

    Aghababaei, Sajjad; Saeedi, Gholamreza; Jalalifar, Hossein

    2016-05-01

    The floor failure at longwall face decreases productivity and safety, increases operation costs, and causes other serious problems. In Parvadeh-I coal mine, the timber is used to prevent the puncture of powered support base into the floor. In this paper, a rock engineering system (RES)-based model is presented to evaluate the risk of floor failure mechanisms at the longwall face of E 2 and W 1 panels. The presented model is used to determine the most probable floor failure mechanism, effective factors, damaged regions and remedial actions. From the analyzed results, it is found that soft floor failure is dominant in the floor failure mechanism at Parvadeh-I coal mine. The average of vulnerability index (VI) for soft, buckling and compressive floor failure mechanisms was estimated equal to 52, 43 and 30 for both panels, respectively. By determining the critical VI for soft floor failure mechanism equal to 54, the percentage of regions with VIs beyond the critical VI in E 2 and W 1 panels is equal to 65.5 and 30, respectively. The percentage of damaged regions showed that the excess amount of used timber to prevent the puncture of weak floor below the powered support base is equal to 4,180,739 kg. RES outputs and analyzed results showed that setting and yielding load of powered supports, length of face, existent water at face, geometry of powered supports, changing the cutting pattern at longwall face and limiting the panels to damaged regions with supercritical VIs could be considered to control the soft floor failure in this mine. The results of this research could be used as a useful tool to identify the damaged regions prior to mining operation at longwall panel for the same conditions.

  6. The Transformation of a School System: Principal, Teacher, and Parent Perceptions of Charter and Traditional Schools in Post-Katrina New Orleans. Technical Report

    Science.gov (United States)

    Steele, Jennifer L.; Vernez, Georges; Gottfried, Michael A.; Schwam-Baird, Michael

    2011-01-01

    Hurricane Katrina set the stage for a transformation of public education in New Orleans, replacing the city's existing school system with a decentralized choice-based system of both charter and district-run schools. Using principal, teacher, and parent surveys administered three years after Katrina, this study examined schools' governance and…

  7. RADON MITIGATION IN SCHOOLS: HVAC SYTEMS IN SCHOOLS TEND TO HAVE A GREATER IMPACT ON RADON LEVELS THAN HVAC SYSTEMS IN HOMES

    Science.gov (United States)

    The first part of this two-part paper discusses radon entry into schools, radon mitigation approaches for schools, and school characteristics (e.g., heating, ventilation, and air conditioing -- HVAC-- system design and operationg) that influence radon entry and mitigation system ...

  8. PLANNING OF SECONDARY SCHOOL LOCATION AT SUBCENTRE OF MEDAN SELAYANG SERVICE BASED ON GEOGRAPHIC INFORMATON SYSTEM

    Directory of Open Access Journals (Sweden)

    Mansyur Hidayat Pasaribu

    2017-09-01

    Full Text Available his research aimed to solve the problem of requirement of facility and infrastructure of high school education year 2030 at 4 sub-districts in sub department of Medan Selayang. By knowing the number of junior high school student we can calculate requirement of middle school infrastructure needed. The need for secondary school building infrastructure at the Medan Selayang service sub-center in 2030 is calculated based on the number of population aged 0-4 years in 2016 as users of secondary education services in the planning year. The need for the number of new school units based on the maximum capacity of study groups available in each school in the study area, the lack of learning groups is met through new classroom addition programs and the addition of new school units. With the population of middle school age in 2030 in four districts amounting to 33,299, it is required to provide 1 unit of new school in Medan Baru sub-district, 1 unit of new school in Medan Selayang sub-district, 2 units of new school in Medan Tuntungan sub-district. The lack of study group in Medan Baru sub-district can be fulfilled by adding new classroom based on the availability of school land. Planning of school location in the addition of new school unit based on spatial analysis using geographic information system application. Method of research used is descriptive method quantitatively. Quantitative analysis done By using Geographic Information System. Analysis is done based on the factors that influence the selection of school location which consists of service coverage factors, distribution pattern factors, accessibility factors and land use factors. From the results of analysis based on spatial data found sowed that the area has not been served in the region Planning. This underserved area became a zone in the determination of secondary school location planning at the Medan Selayang service sub-center.

  9. The barriers that women face when choosing food for their primary school children: A case study in the Western Cape Province, South Africa

    Directory of Open Access Journals (Sweden)

    Y Smit

    2017-10-01

    Full Text Available Background. Unhealthy food choices made by mothers can impact negatively on child health and may lead to unhealthy eating behaviours that persist into adulthood. Choosing food is a complex process influenced by many factors. Objectives. To determine the factors that influence mothers’ food choices and to investigate barriers to purchasing healthy food. Methods. A cross-sectional, descriptive study, with an analytical component, was conducted. Mothers (N=476 were recruited from three randomly selected primary schools, from a low, middle and high quintile. A self-administered questionnaire was used to collect data on demographics, knowledge, attitude and practices of mothers. Six focus groups (FG (two per school were conducted to investigate the factors that prevent mothers from making healthy dietary decisions. Results. The mean nutrition knowledge score for the group was 68.6%. Nutrition knowledge was significantly lower (p<0.01 in mothers from the lower quintile school (64.0%. Primary factors influencing food purchases were cost (60%, nutritional value (37% and time constraints (29%. Primary sources of nutrition information included magazines and health professionals at 62% and 44%, respectively. Time constraints resulted in mothers purchasing convenience foods more often (p=0.001. The main barriers identified were mixed media messages, the school environments and supermarket layouts. Conclusion. Nutrition education campaigns should include practical advice, e.g. the preparation of economical, wholesome meals. Policymakers should monitor increasing prices of healthy foods. School and supermarket environments, as well as the food industry, can play a pivotal role in facilitating mothers to make healthy food choices

  10. Randomized, Split-Face/Décolleté Comparative Trial of Procedure Enhancement System for Fractional non-Ablative Laser Resurfacing Treatment.

    Science.gov (United States)

    Robinson, Deanne Mraz; Frulla, Ashton P

    2017-07-01

    INTRODUCTION: A topical proprietary procedural enhancement system (PES) containing a combination of active ingredients including a tripeptide and hexapeptide (TriHex Technology™, Alastin Procedure Enhancement Invasive System, ALASTIN Skincare™, Inc., Carlsbad, CA) has been used successfully to aid in healing and improve symptomatology following resurfacing procedures. METHODS: PES (Gentle Cleanser, Regenerating Skin Nectar with TriHex Technology™, Ultra Nourishing Moisturizer with TriHex Technology™, Soothe + Protect Recovery Balm, Broad Spectrum 30+ Sunscreen) was compared to a basic regimen (Aquaphor™, Cerave™ cleanser, Vanicream™, Alastin Broad Spectrum 30+ Sunscreen) in a split face/ décolleté trial following fractional non-ablative thulium-doped resurfacing treatment to the face or décolleté. The skin was pre-conditioned and treated during and after the procedure using the two regimens. RESULTS: A blinded investigator rated the PES statistically superior to the basic regimen on healing post-laser treatment on day 4 based on lentigines, texture, and Global Skin Quality. Subjects also reported 'better looking and feeling' skin on the PES side. CONCLUSION: PES appears to improve healing post-non ablative thulium-doped resurfacing treatment to the face/décolleté in comparison with standard of care. J Drugs Dermatol. 2017;16(7):707-710..

  11. Bullying escolar: a justiça restaurativa como forma de enfrentar e prevenir violências - School bullying: a restorative justice as face of form and prevent violence

    Directory of Open Access Journals (Sweden)

    Cristiane Penning Pauli de Menezes

    2015-10-01

    Full Text Available Resumo A interdisciplinaridade entre Direito e Educação permeia o presente artigo ao ligar o tema do bullying com o conceito da Justiça Restaurativa, analisada como um instrumento que pode auxiliar na prevenção dos conflitos que envolvam o bullying no interior das escolas. Assim, o presente artigo tem por objetivo entrelaçar a Justiça Restaurativa aos conflitos de bullying, que atualmente ganham novas roupagens, tendo em vista que as agressões quando não são tratadas com seriedade no ambiente escolar acabam por trazer nas relações interpessoais dos estudantes. Por mais que os debates sobre o tema tenham avançado, novas investigações sobre o tema são imprescindíveis para buscar alternativas de resolução e prevenção destes conflitos, no sentido de preparar os profissionais da comunidade escolar para que possam lidar com esta realidade presente no âmbito escolar. Palavras-chave: bullying, justiça restaurativa, conflitos escolares. SCHOOL BULLYING: A RESTORATIVE JUSTICE AS FACE OF FORM AND PREVENT VIOLENCE Abstract The interdisciplinary Law and Education permeates this item to connect the bullying theme, with the concept of Restorative Justice, as analyzed as a tool that can prevent conflicts involving bullying within schools. Thus, this research paper aims to weave Restorative Justice to bullying conflicts, which currently gets new look, considering that the attacks when they are not treated seriously in the school environment just bring reflexes are striking in interpersonal relationships among students. As much as the debates on the subject have advanced, new research on the subject are essential to seek alternative means of resolution and prevention of conflicts, to prepare professionals in the school community. Key-words: bullying, restorative justice, school conflicts.

  12. Orbital Dynamics of Candidate Transitional Millisecond Pulsar 3FGL J1544.6-1125: An unusually face-on system

    Science.gov (United States)

    Britt, Christopher T.; Strader, Jay; Chomiuk, Laura; Halpern, Jules P.; Tremou, Evangelina; Peacock, Mark; Salinas, Ricardo

    2018-01-01

    We present the orbital solution for the donor star of the candidate transitional millisecond pulsar 3FGL J1544.6-1125, currently observed as an accreting low-mass X-ray binary. The orbital period is 0.2415361(36) days, entirely consistent with the spectral classification of the donor star as a mid to late K dwarf. The semi-amplitude of the radial velocity curve is exceptionally low at K2=39.3+/-1.5 km s-1, implying a remarkably face-on inclination in the range 5-8o, depending on the neutron star and donor masses. After determining the veiling of the secondary, we derive a distance to the binary of 3.8+/-0.7 kpc, yielding a 0.3-10 keV X-ray luminosity of 6.1+/-1.9 x1033 erg s-1, similar to confirmed transitional millisecond pulsars. As face-on binaries rarely occur by chance, we discuss the possibility that Fermi-selected samples of transitional milli-second pulsars in the sub-luminous disk state are affected by beaming. By phasing emission line strength on the spectroscopic ephemeris, we find coherent variations, and argue that some optical light originates from emission from an asymmetric shock originating near the inner disk.

  13. Development and Testing of the Observational System for Recording Physical Activity in Children: Elementary School

    Science.gov (United States)

    McIver, Kerry L.; Brown, William H.; Pfeiffer, Karin A.; Dowda, Marsha; Pate, Russell R.

    2016-01-01

    Purpose: This study describes the development and pilot testing of the Observational System for Recording Physical Activity-Elementary School (OSRAC-E) Version. Method: This system was developed to observe and document the levels and types of physical activity and physical and social contexts of physical activity in elementary school students…

  14. Leadership Strategies in Implementation of High-School Standards-Based Grading Systems

    Science.gov (United States)

    Pritzl, Jerome

    2016-01-01

    This multi-site case study examined leadership strategies used during successful implementation of standards-based grading systems in three Wisconsin high schools. It found that leaders' reported commitment, patience, and persistence showed evidence of sustainable, high-functioning systems. It drew two main conclusions: first, school leaders need…

  15. Harnessing Technology for School Accountability: A Case Study of Implementing a Management Information System

    Science.gov (United States)

    Enomoto, Ernestine K.; Conley, Sharon

    2007-01-01

    Schools employ educational technology to comply with pressures for greater accountability and efficiency in conducting operations. Specifically, schools use "management information systems" designed to automate data collection of student attendance, grades, test scores, and so on. These management information systems (MIS) employed…

  16. Designing Temporary Systems: Exploring Local School Improvement Intentions in the Swedish Context

    Science.gov (United States)

    Nordholm, Daniel; Blossing, Ulf

    2014-01-01

    This article targets local school improvement in Sweden and temporary systems as a model to organize improvement work. These data are based on a qualitative case study of teacher groups constituting a temporary system representing the different subjects in comprehensive school in a medium-sized urban municipality. A total of eight interviews were…

  17. 29 CFR 1602.43 - Commission's remedy for school systems' or districts' failure to file report.

    Science.gov (United States)

    2010-07-01

    ...' failure to file report. Any school system or district failing or refusing to file report EEO-5 when... 29 Labor 4 2010-07-01 2010-07-01 false Commission's remedy for school systems' or districts' failure to file report. 1602.43 Section 1602.43 Labor Regulations Relating to Labor (Continued) EQUAL...

  18. System Leadership for School Improvement: A Developing Concept and Set of Practices

    Science.gov (United States)

    Dimmock, Clive

    2016-01-01

    System leadership is a developing concept and practice increasingly seen as a tool for school improvement, as policymakers switch from traditional top-down reform to professional models of schools working collaboratively. System leadership is being championed by the Scottish College for Educational Leadership (SCEL), but is still in its infancy in…

  19. Formula-Based Public School Funding System in Victoria: An Empirical Analysis of Equity

    Science.gov (United States)

    Bandaranayake, Bandara

    2013-01-01

    This article explores the formula-based school funding system in the state of Victoria, Australia, where state funds are directly allocated to schools based on a range of equity measures. The impact of Victoria' funding system for education in terms of alleviating inequality and disadvantage is contentious, to say the least. It is difficult to…

  20. A Challenge to Change: Necessary Changes in the Library Classification System for the Chicago Public Schools.

    Science.gov (United States)

    Williams, Florence M.

    This report addresses the feasibility of changing the classification of library materials in the Chicago Public School libraries from the Dewey Decimal classification system (DDC) to the Library of Congress system (LC), thus patterning the city school libraries after the Chicago Public Library and strengthening the existing close relationship…

  1. Using AN Essea Earth Systems Science Course in a Web-Enhanced Setting for Pre-Service Middle School Teachers

    Science.gov (United States)

    Slattery, W.

    2003-12-01

    The ESSEA Middle School course was originally designed as an asynchronous on-line tool for teacher professional development. The ESSEA course uses real world events such as deforestation, volcanic eruptions and hurricanes to develop content understandings of Earth systems processes and to model pedagogical best practices appropriate for middle school students. The course is structured as multiple three-week learning cycles. During week one of each cycle, participants are formed into Sphere groups to study the impact of the event under consideration on the atmosphere, biosphere, hydrosphere, or lithosphere. During week two, Event teams are formed to include members from each of the previous week's Sphere groups. Together they develop interactions between the different spheres and the event. During week three, teachers develop classroom applications and post them on-line for other participants to comment upon. On-going assessment suggests that in-service teacher participants of the on-line course are more likely to infuse inquiry-based science instruction into their classroom settings and to teach science as a subject integrating Physical science, Life science, and Earth/Space science in their own classrooms It is imperative to develop such characteristics in pre-service teachers as well. Wright State University's undergraduate Middle School teacher preparation program requires that undergraduates seeking Middle Childhood Licensure by the State of Ohio take a course in Earth Systems science that is aligned with the national and state science education standards. Towards this end the ESSEA course has been adapted for use in a web-enhanced setting. Weeks one and two (Sphere and Event study) of the ESSEA Middle School course are used as an integral component of this Earth Systems science course. In this way content knowledge and pedagogical strategies are modeled just as they are in the fully on-line course. Questions raised on-line are the topic of research or

  2. Democratic School Leadership in Canada's Public School Systems: Professional Value and Social Ethic

    Science.gov (United States)

    Begley, Paul T.; Zaretsky, Lindy

    2004-01-01

    Democratic leadership processes are desirable for schools not only because they reflect socially mandated ethical commitments to collective process. They can be professionally justified as a necessary approach to leading schools effectively in the increasingly culturally diverse communities and a world transformed by the effects of technology and…

  3. School Improvement in High-Capacity Schools: Educational Leadership and Living-Systems Ontology

    Science.gov (United States)

    Mitchell, Coral; Sackney, Larry

    2016-01-01

    Although school improvement continues to present as an unresolved educational problem, the required changes are relatively straightforward. Essentially, schools need to be retooled with students' experiences and high-quality instruction at the center of the design. In this article, we present the findings of research into the leadership of…

  4. Beyond the School: Exploring a Systemic Approach to School Turnaround. Policy and Practice Brief

    Science.gov (United States)

    Knudson, Joel; Shambaugh, Larisa; O'Day, Jennifer

    2011-01-01

    Educators have long grappled with the challenge presented by chronically underperforming schools. Environments that consistently fail to prepare students for higher levels of education threaten opportunities for high school graduation, postsecondary education, and career success. The U.S. Department of Education reinforced the urgency of reversing…

  5. Alternative face models for 3D face registration

    Science.gov (United States)

    Salah, Albert Ali; Alyüz, Neşe; Akarun, Lale

    2007-01-01

    3D has become an important modality for face biometrics. The accuracy of a 3D face recognition system depends on a correct registration that aligns the facial surfaces and makes a comparison possible. The best results obtained so far use a one-to-all registration approach, which means each new facial surface is registered to all faces in the gallery, at a great computational cost. We explore the approach of registering the new facial surface to an average face model (AFM), which automatically establishes correspondence to the pre-registered gallery faces. Going one step further, we propose that using a couple of well-selected AFMs can trade-off computation time with accuracy. Drawing on cognitive justifications, we propose to employ category-specific alternative average face models for registration, which is shown to increase the accuracy of the subsequent recognition. We inspect thin-plate spline (TPS) and iterative closest point (ICP) based registration schemes under realistic assumptions on manual or automatic landmark detection prior to registration. We evaluate several approaches for the coarse initialization of ICP. We propose a new algorithm for constructing an AFM, and show that it works better than a recent approach. Finally, we perform simulations with multiple AFMs that correspond to different clusters in the face shape space and compare these with gender and morphology based groupings. We report our results on the FRGC 3D face database.

  6. Heating, Ventilation and Air-Conditioning Systems, Part of Indoor Air Quality Design Tools for Schools

    Science.gov (United States)

    The main purposes of a Heating, Ventilation, and Air-Conditioning system are to help maintain good indoor air quality through adequate ventilation with filtration and provide thermal comfort. HVAC systems are among the largest energy consumers in schools.

  7. The Effectiveness of Full Day School System for Students’ Character Building

    Science.gov (United States)

    Benawa, A.; Peter, R.; Makmun, S.

    2018-01-01

    The study aims to put forward that full day school which was delivered in Marsudirini Elementary School in Bogor is effective for students’ character building. The study focused on the implementation of full day school system. The qualitative-based research method applied in the study is characteristic evaluation involving non-participant observation, interview, and documentation analysis. The result of this study concludes that the full day school system is significantly effective in education system for elementary students’ character building. The full day school system embraced the entire relevant processes based on the character building standard. The synergy of comprehensive components in instructional process at full day school has influenced the building of the students’ character effectively and efficiently. The relationship emerged between instructional development process in full day school system and the character building of the students. By developing instructional process through systemic and systematic process in full day school system, the support of stakeholders (leaders, human resources, students, parents’ role) and other components (learning resources, facilities, budget) provides a potent and expeditious contribution for character building among the students eventually.

  8. School Psychology in Greece: A System of Change.

    Science.gov (United States)

    Theodore, Lea A.; Bray, Melissa A.; Kehle, Thomas J.; Dioguardi, Richard J.

    2002-01-01

    Discusses origin of school psychology in Greece which emerged with services for mentally disabled in 1937. Explains how laws were instituted with the growing demand for educational services for students with social and emotional needs. Includes discussions on diverse roles of school psychologists, present status of special education, and influence…

  9. The Phenomenon of Dyslexia in One Public School System.

    Science.gov (United States)

    Salas, Beverly Ann

    1989-01-01

    One school district's effort to develop a specialized reading program for students with dyslexia is described. Discussed are: guidelines for diagnosing dyslexics; primary characteristics of 12 youngsters identified as dyslexic; and recommendations for other school districts concerning definitions, screening, referral, and service delivery. (JDD)

  10. Preparing Future Teacher Leaders: Lessons from Exemplary School Systems

    Science.gov (United States)

    Schrum, Lynne; Levin, Barbara B.

    2013-01-01

    In this paper, we argue that teachers have an opportunity to take on leadership roles in technology-rich schools and districts. Based on data collected during a year-long project to investigate award-winning schools and districts, we used observations, interviews and focus groups, and document analysis to glean lessons learned from leaders and…

  11. Private Schools in France: Evolution of a System.

    Science.gov (United States)

    Teese, Richard

    1986-01-01

    Reviews the major phases of development of the relationship between French private education and the state from the early 1950s when private schools (mostly Catholic) began receiving state subsidies. Concludes that the framework of subsidies has enabled Catholic schools to elaborate new social roles as well as to strengthen their traditional place…

  12. How do medical schools use measurement systems to track faculty activity and productivity in teaching?

    Science.gov (United States)

    Mallon, William T; Jones, Robert F

    2002-02-01

    The authors describe their findings from a study that (1) identified 41 medical schools or medical school departments that used metric systems to quantify faculty activity and productivity in teaching and (2) analyzed the purposes and progress of those systems. Among the reasons articulated for developing these systems, the most common was to identify a "rational" method for distributing funds to departments. More generally, institutions wanted to emphasize the importance of the school's educational mission. The schools varied in the types of information they tracked, ranging from a selective focus on medical school education to a comprehensive assessment of teaching activity and educational administration, committee work, and advising. Schools were almost evenly split between those that used a relative-value-unit method of tracking activity and those that used a contact-hour method. This study also identified six challenges that the institutions encountered with these metric systems: (1) the lack of a culture of data in management; (2) skepticism of faculty and chairs; (3) the misguided search for one perfect metric; (4) the expectation that a metric system will erase ambiguity regarding faculty teaching contributions; (5) the lack of, and difficulty with developing, measures of quality; and (6) the tendency to become overly complex. Because of the concern about the teaching mission at medical schools, the number of institutions developing educational metric systems will likely increase in the coming years. By documenting and accounting financially for teaching, medical schools can ensure that the educational mission is valued and appropriately supported.

  13. Comparatives of Expressive Activities of Junior High School Students with Different Types of Representative Systems

    Directory of Open Access Journals (Sweden)

    Geydebrekht N.A.

    2017-08-01

    Full Text Available The article presents data from a study of drawings of children of primary school age to identify the сcomparative diagnostic parameters that allow to define the leading representative system in the child. 164 drawings of 51 persons under test of the two grades of primary school were analyzed. The observation and modified in relation to primary school age version of the method «Representational systems bias test» (Lewis A., Puselik R., 2012 were used as elements of the diagnostic unit. Based on these results it is concluded that the drawings of children of primary school age with different types of representative systems have differences, sufficient to justify their diagnostic informative value. The results of the study make comparative profiles of children of primary school age with different types of representational systems to facilitate the diagnostic part of the work with children's drawings.

  14. The System of Development Programmes on Pre-School and School Education in the Republic of Kazakhstan

    Science.gov (United States)

    Baikulova, A. M.; Ibrayeva, M. K.; Shalabayeva, L. I.; Abdigapbarova, U. M.; Mynbayeva, A. P.

    2017-01-01

    This article addresses preschool education as an integral part of the general education system in the Republic of Kazakhstan. This article describes problems related to preschool and certain areas of school development, such as early childhood development, communication, socialisation, creative thinking and leadership. The three studies described…

  15. Face recognition increases during saccade preparation.

    Science.gov (United States)

    Lin, Hai; Rizak, Joshua D; Ma, Yuan-ye; Yang, Shang-chuan; Chen, Lin; Hu, Xin-tian

    2014-01-01

    Face perception is integral to human perception system as it underlies social interactions. Saccadic eye movements are frequently made to bring interesting visual information, such as faces, onto the fovea for detailed processing. Just before eye movement onset, the processing of some basic features, such as the orientation, of an object improves at the saccade landing point. Interestingly, there is also evidence that indicates faces are processed in early visual processing stages similar to basic features. However, it is not known whether this early enhancement of processing includes face recognition. In this study, three experiments were performed to map the timing of face presentation to the beginning of the eye movement in order to evaluate pre-saccadic face recognition. Faces were found to be similarly processed as simple objects immediately prior to saccadic movements. Starting ∼ 120 ms before a saccade to a target face, independent of whether or not the face was surrounded by other faces, the face recognition gradually improved and the critical spacing of the crowding decreased as saccade onset was approaching. These results suggest that an upcoming saccade prepares the visual system for new information about faces at the saccade landing site and may reduce the background in a crowd to target the intended face. This indicates an important role of pre-saccadic eye movement signals in human face recognition.

  16. Conceptual foundations of inclusive systems in and around schools for early school leaving prevention: An emotional-relational focus

    Directory of Open Access Journals (Sweden)

    Downes Paul

    2017-01-01

    Full Text Available Against the background of the EU2020 headline target of reducing early school leaving to 10% across Europe, this article examines the conceptual foundations of the understanding of inclusive systems for early school leaving prevention that has emerged in EU policy documents and research reports in recent years. Traditionally, inclusive education has referred to a focus on children with special educational needs. However, this conceptual review examines how inclusion is increasingly being examined in broader terms.This review seeks to critically reconstruct foundational understandings of systems and resilience in developmental and educational psychology. A systems focus on inclusion needs to address the neglect in psychology of system blockages and power imbalances. Resilience is typically framed as the capacity of the individual to navigate their way to environmental resources. This places the onus of accessibility onto the individual’s efforts rather than a concern with responsive systems accessible to marginalised groups. A concern with inclusive systems goes beyond not only the well-established framework of individual resilience in developmental psychology, but also beyond its expansion into resilient systems, as these omit a focus on outreach and multidisciplinary teams in systems of care for integrated services. Common principles for a framework of inclusive systems include children’s voices, equality and non-discrimination, parental involvement that is integrated holistically with family support, and lifelong learning principles for schools. Illustrative examples of these principles for reforming authoritarian teaching and discriminatory bullying, for opening schools to the local community and for targeting those with highest levels of need are highlighted.

  17. Schooling, the underclass and intergenerational mobility: a dual education system dilemma

    Directory of Open Access Journals (Sweden)

    Tracey Morton McKay

    2015-07-01

    Full Text Available School education in South Africa has seen much progressive change in the last 20 years. Yet educational outcomes are poor and many argue that a dual education system exists. Those with financial and socio-cultural capital access resourced schools, while poor South Africans are relegated to schools still suffering from apartheid resource neglect. This empirical study of high schools in Alexandra township, a poor black African residential area, demonstrates both the extent of the resource backlog and the consequences thereof. Secondary schools in Alexandra have an inadequate number, and standard, of toilets, libraries, computer facilities and science laboratories. They also have relatively high learner to teacher ratios and poor matriculation success rates. Enrolment in such schools means learners achieve a poor quality matriculation certificate or none at all, thus, trapping these learners into significant disadvantage. Meagre financial resources preclude Alexandra parents from selecting better resourced schools. Thus, for these learners, neither their legal rights with respect to school choice nor their geographical proximity to resourced schools has ensured redress from the apartheid past. The result is that intergenerational class mobility is limited. Thus, the dual nature of South Africa’s education system is creating a vicious cycle of intergenerational poverty where young people cannot improve their living standards despite enrolment in secondary schooling.

  18. Attention Capture by Faces

    Science.gov (United States)

    Langton, Stephen R. H.; Law, Anna S.; Burton, A. Mike; Schweinberger, Stefan R.

    2008-01-01

    We report three experiments that investigate whether faces are capable of capturing attention when in competition with other non-face objects. In Experiment 1a participants took longer to decide that an array of objects contained a butterfly target when a face appeared as one of the distracting items than when the face did not appear in the array.…

  19. Multithread Face Recognition in Cloud

    Directory of Open Access Journals (Sweden)

    Dakshina Ranjan Kisku

    2016-01-01

    Full Text Available Faces are highly challenging and dynamic objects that are employed as biometrics evidence in identity verification. Recently, biometrics systems have proven to be an essential security tools, in which bulk matching of enrolled people and watch lists is performed every day. To facilitate this process, organizations with large computing facilities need to maintain these facilities. To minimize the burden of maintaining these costly facilities for enrollment and recognition, multinational companies can transfer this responsibility to third-party vendors who can maintain cloud computing infrastructures for recognition. In this paper, we showcase cloud computing-enabled face recognition, which utilizes PCA-characterized face instances and reduces the number of invariant SIFT points that are extracted from each face. To achieve high interclass and low intraclass variances, a set of six PCA-characterized face instances is computed on columns of each face image by varying the number of principal components. Extracted SIFT keypoints are fused using sum and max fusion rules. A novel cohort selection technique is applied to increase the total performance. The proposed protomodel is tested on BioID and FEI face databases, and the efficacy of the system is proven based on the obtained results. We also compare the proposed method with other well-known methods.

  20. School Health Connection Goes Electronic: Developing a Health Information Management System for New Orleans' School-Based Health Centers. Program Results Report

    Science.gov (United States)

    Rastorfer, Darl

    2011-01-01

    From February 2008 through April 2011, School Health Connection, a program of the Louisiana Public Health Institute, developed an electronic health information management system for newly established school-based health centers in Greater New Orleans. School Health Connection was established as part of a broader effort to restore community health…

  1. Assurance of opportunities for smooth start to school for pre-school education systems

    OpenAIRE

    Duobienė, Raimonda

    2016-01-01

    During a period of rapid globalisation, education has an obligation to adapt to the -needs of society. Current Lithuanian education policy for pre-school children provides that each child must be granted access to public services, working or needy families must be provided with greater support and a wider range of educational programmes that meet the needs of parents and children have to be developed. Currently in Lithuania, pre-school and pre-primary education is not mandatory, but it is...

  2. U.S. Assessment of advanced limiter-divertor plasma-facing systems (ALPS) design, analysis, and R and D needs

    International Nuclear Information System (INIS)

    Mattas, R. F.

    1998-01-01

    The purpose of the ALPS program is to identify and evaluate advanced limiter/diverter systems that will enhance the attractiveness of fusion power. The highest priority goals at present are achieving high power density, up to 50 MW/m 2 , and showing compatibility of plasma-facing surfaces with plasma operation. Personnel representing a wide range of disciplines from a number of institutions are engaged in the program, where an evaluation phase of the program is planned for three years. Successful identification of promising concepts in the evaluation phase should lead to an R and D phase that includes proof-of-principle experiments

  3. Atomic structure and work function of the metal-film systems: lithium-(011) face of tungsten or molybdenum

    International Nuclear Information System (INIS)

    Kanash, O.V.; Fedorus, A.G.

    1984-01-01

    The atomic structure and phase transitions in lithium films and also the variation of the work function under lithium adsorption on the (011) face of W or Mo are studied by the low electron diffraction and contact potential difference methods in a wide range of submonolayer coverage. In the low coverage range (theta 5/9), identical sets of anisotropic structures are formed on both substrates which are specific for localized adsorption. In the coverage range between 1/4 for W (011) or 1/6 for Mo (011) and 5/9 (for both substrates) the film grows by virtue of two consecutive first order phase transitions. In the remaining theta region the film compression proceeds continuously. A model of mixing of cells of various sizes is used to explain the continuity of the compression process. At low coverage the film atomic structure corresponds to a predominant effect of dipole-dipole interaction betWeen the adatoms, whereas at high coverage it corresponds to an indirect interaction. The temperature stability of the films at different theta is studied. The effect of the film structure on the work function and surface diffusion is discussed

  4. Hexagonal close packed to face centered cubic polymorphic transformation in nanocrystalline titanium-zirconium system by mechanical alloying

    International Nuclear Information System (INIS)

    Bera, S.; Manna, I.

    2006-01-01

    The present study reports a reversible hexagonal close packed (hcp) to face centered cubic (fcc) polymorphic phase transformation in four different nanocrystalline titanium-zirconium binary alloys in the course of mechanical alloying in a planetary ball mill. This transformation is monitored at appropriate stages by X-ray diffraction and high-resolution transmission electron microscopy. Lattice parameter of the nanocrystalline fcc phase is a function of the alloy composition. For a given alloy, the lattice parameter and hence volume per atom increase with increase in milling time under comparable conditions. On the other hand, crystallite size, measured from X-ray peak broadening, significantly decreases with the progress of milling. It is suggested that structural instability due to plastic strain, increasing lattice expansion, and negative (from core to boundary) hydrostatic pressure is responsible for this hcp → fcc polymorphic transformation. The said transformation seems reversible as isothermal annealing at 1000 deg. C for 1 h or melting the powder mass leads to partial or complete transformation of the milled product from single phase fcc to hcp

  5. Challenges facing production grids

    Energy Technology Data Exchange (ETDEWEB)

    Pordes, Ruth; /Fermilab

    2007-06-01

    Today's global communities of users expect quality of service from distributed Grid systems equivalent to that their local data centers. This must be coupled to ubiquitous access to the ensemble of processing and storage resources across multiple Grid infrastructures. We are still facing significant challenges in meeting these expectations, especially in the underlying security, a sustainable and successful economic model, and smoothing the boundaries between administrative and technical domains. Using the Open Science Grid as an example, I examine the status and challenges of Grids operating in production today.

  6. Intelligent tutorial system for teaching of probability and statistics at high school in Mexico

    Directory of Open Access Journals (Sweden)

    Fernando Gudino Penaloza, Miguel Gonzalez Mendoza, Neil Hernandez Gress, Jaime Mora Vargas

    2009-12-01

    Full Text Available This paper describes the implementation of an intelligent tutoring system dedicated to teaching probability and statistics atthe preparatory school (or high school in Mexico. The system solution was used as a desktop computer and adapted tocarry a mobile environment for the implementation of mobile learning or m-learning. The system complies with the idea ofbeing adaptable to the needs of each student and is able to adapt to three different teaching models that meet the criteriaof three student profiles.

  7. The prevalence of developmental dyscalculia in Brazilian public school system.

    Science.gov (United States)

    Bastos, José Alexandre; Cecato, Angela Maria Traldi; Martins, Marielza Regina Ismael; Grecca, Kelly Regina Risso; Pierini, Rafael

    2016-03-01

    The goal of the study was to assess public school children at the end of the first stage of elementary school. We used a protocol applied concurrently with a writing test in the form of an unexpected activity in 28 public schools; 2,893 children assessed, 687 exhibited performance below 58 points, 184 were excluded due to change of address or lack of consent; 503 children subjected to a test of intellectual capacity and reading assessment and 71 considered intellectually disabled were excluded. 226 (7.8%) children, who could read, write, and had normal intellectual level, met the criteria of developmental dyscalculia (DD), 98 female and 128 male. The most influential factors in the prevalence were socioeconomic levels of the schools neighborhood, education level of parents, and being male, as demonstrated by the odds ratio and multiple logistic regression analysis. Further studies should be done so that educational policies are taken.

  8. The prevalence of developmental dyscalculia in Brazilian public school system

    Directory of Open Access Journals (Sweden)

    José Alexandre Bastos

    2016-03-01

    Full Text Available ABSTRACT The goal of the study was to assess public school children at the end of the first stage of elementary school. We used a protocol applied concurrently with a writing test in the form of an unexpected activity in 28 public schools; 2,893 children assessed, 687 exhibited performance below 58 points, 184 were excluded due to change of address or lack of consent; 503 children subjected to a test of intellectual capacity and reading assessment and 71 considered intellectually disabled were excluded. 226 (7.8% children, who could read, write, and had normal intellectual level, met the criteria of developmental dyscalculia (DD, 98 female and 128 male. The most influential factors in the prevalence were socioeconomic levels of the schools neighborhood, education level of parents, and being male, as demonstrated by the odds ratio and multiple logistic regression analysis. Further studies should be done so that educational policies are taken.

  9. Familiar face + novel face = familiar face? Representational bias in the perception of morphed faces in chimpanzees

    Directory of Open Access Journals (Sweden)

    Yoshi-Taka Matsuda

    2016-08-01

    Full Text Available Highly social animals possess a well-developed ability to distinguish the faces of familiar from novel conspecifics to induce distinct behaviors for maintaining society. However, the behaviors of animals when they encounter ambiguous faces of familiar yet novel conspecifics, e.g., strangers with faces resembling known individuals, have not been well characterised. Using a morphing technique and preferential-looking paradigm, we address this question via the chimpanzee’s facial–recognition abilities. We presented eight subjects with three types of stimuli: (1 familiar faces, (2 novel faces and (3 intermediate morphed faces that were 50% familiar and 50% novel faces of conspecifics. We found that chimpanzees spent more time looking at novel faces and scanned novel faces more extensively than familiar or intermediate faces. Interestingly, chimpanzees looked at intermediate faces in a manner similar to familiar faces with regards to the fixation duration, fixation count, and saccade length for facial scanning, even though the participant was encountering the intermediate faces for the first time. We excluded the possibility that subjects merely detected and avoided traces of morphing in the intermediate faces. These findings suggest a bias for a feeling-of-familiarity that chimpanzees perceive familiarity with an intermediate face by detecting traces of a known individual, as 50% alternation is sufficient to perceive familiarity.

  10. Youth Empowerment in Oppressive Systems: Opportunities for School Consultants

    Science.gov (United States)

    Pearrow, Melissa M.; Pollack, Stanley

    2009-01-01

    Empowerment of youth, particularly in urban settings, is critical to addressing issues of social injustice. Programs that support the development of empowerment, or action taken by an individual to facilitate his or her own ability to act in the face of oppression, have demonstrated great promise in dimensions such as creating stronger group…

  11. The Stranger within: Luxembourg's Early School System as a European Prototype of Nationally Legitimized International Blends (ca. 1794-1844)

    Science.gov (United States)

    Thyssen, Geert

    2013-01-01

    This comparative analysis of Luxembourg's early school (law) system reveals the extent to which European school systems reflect "national-cultural idiosyncrasies" apart from "structural isomorphism". It first examines the legal soil into which the Luxembourg school system was implanted. Legislative pendular swings, reflecting…

  12. Beef Cattle Farms’ Conversion to the Organic System. Recommendations for Success in the Face of Future Changes in a Global Context

    Directory of Open Access Journals (Sweden)

    Alfredo J. Escribano

    2016-06-01

    Full Text Available Dehesa is a remarkable agroforestry system, which needs the implementation of sustainable production systems in order to reduce its deterioration. Moreover, its livestock farms need to adapt to a new global market context. As a response, the organic livestock sector has expanded not only globally but also in the region in search for increased overall sustainability. However, conversions to the organic system have been commonly carried out without analyzing farms’ feasibility to do so. This analysis is necessary before implementing any new production system in order to reduce both the diversity of externalities that the variety of contexts leads to and the vulnerability of the DDehesa ecosystem to small management changes. Within this context and in the face of this gap in knowledge, the present paper analyzes the ease of such conversions and the farms’ chances of success after conversion in the face of global changes (market and politics. Different aspects (“areas of action” were studied and integrated within the Global Conversion Index (GCI, and the legal requirement for European organic farming, organic principles, future challenges for ruminants’ production systems, as well as the lines of action for the post-2013 CAP (Common Agricultural Policy and their impacts on the beef cattle sector were taken into account. Results revealed that farms must introduce significant changes before initiating the conversion process, since they had very low scores on the GCI (42.74%, especially with regard to health and agro-ecosystem management (principle of Ecology. Regarding rearing and animal welfare (principle of justice/fairness, farms were close to the organic system. From the social point of view, active participation in manufacturing and marketing of products should be increased.

  13. Facing the Challenges

    DEFF Research Database (Denmark)

    He, Kai

    2014-01-01

    China's rise signifies a gradual transformation of the international system from unipolarity to a non-unipolar world. ,4s an organization of small and middle powers, ASEAN faces strategic uncertainties brought about by the power transition in the system. Deepening economic interdependence between...... Summit (EAS), the Regional Comprehensive Economic Partnership (RCEP), and the ASEAN Community, to constrain and shape China's behaviour in the region in the post-Cold War era. It argues that due to globalization and economic interdependence, the power transition in the 21st century is different from...... the previous ones. ASEAN can potentially make a great contribution to a peaceful transformation of the international system. How to resolve the South China Sea disputes peacefully will be a critical task for both the ASEAN and Chinese leaders in the next decade or two....

  14. Raising Cultural Self-Efficacy among Faculty and Staff of a Private Native Hawaiian School System

    Science.gov (United States)

    Fong, Randie Kamuela

    2012-01-01

    The Hawaiian cultural revitalization movement in Hawai`i is an important driver for many Hawaiian organizations as well as educational institutions that serve Native Hawaiians. One such organization is Kamehameha Schools, a private school system founded and endowed by Princess Bernice Pauahi Bishop in 1887 to educate Native Hawaiian children. From…

  15. Are Two Heads Better than One? System School Leadership Explained and Critiqued

    Science.gov (United States)

    Simon, Catherine A.

    2015-01-01

    "System leadership", as applied to the running of schools, refers to a form of leadership that extends beyond a single institution, where headteachers work with establishments other than their own. This approach is predicated on certain beliefs about the role and purpose of collaborative school leadership and management in a marketised…

  16. The Integration of Pedagogical Aspects in Environmental Management Systems in Selected South African Primary Schools

    Science.gov (United States)

    Kanyimba, Alex; Richter, Barry; Raath, Schalk

    2015-01-01

    Environmental management systems implemented in schools are regarded by many as a mechanism for the integration of environmental matters in all the operational functions of the school. The links, however, between environmental management and curriculum practice have not been adequately addressed in the literature. This article reports on the…

  17. Qatar's School Transportation System: Supporting Safety, Efficiency, and Service Quality. Monograph

    Science.gov (United States)

    Henry, Keith; Younossi, Obaid; Al-Dafa, Maryah; Culbertson, Shelly; Mattock, Michael G.; Light, Thomas; Rohr, Charlene

    2012-01-01

    In consideration of the many challenges associated with Qatar's continued growth and demographic changes, the government of Qatar is interested in updating its school transportation system (STS). This volume assesses the perspectives of parents and school administrators on Qatar's STS, identifies a vision and goals for the STS, reviews…

  18. Financial and Managerial Accounting for Elementary and Secondary School Systems. Third Edition.

    Science.gov (United States)

    Tidwell, Sam B.

    This book describes recent improvements in governmental accounting, auditing, and financial reporting for school business officials. Applications of financial accounting and reporting principles in typical transactions of school systems are illustrated by questions, cases, and problems at the end of each chapter. The first of the two sections,…

  19. The Evaluation of Unitary & Central Type Air-Conditioning Systems in Selected Florida Schools.

    Science.gov (United States)

    Bradley, William B.

    The study reported here was conducted in an effort to obtain data for comparing the combined owning and operating costs of two different types of air-conditioning systems in two elementary schools. Both schools were built during 1969-70 in the same geographical area along the southeast coast of Florida and are also served by the same electric…

  20. Quality in Education in the Calcasieu Parish School System: Experiences of Administrators

    Science.gov (United States)

    Quebodeaux, Pamela Stacey

    2010-01-01

    The Malcolm Baldrige Education Criteria for Performance Excellence outline effective practices and core values that have assisted businesses, health agencies, government institutions, and several school systems in the United States to improve performance within their organizations. Recent studies of school districts from across the nation have…

  1. Technology Use in Rwandan Secondary Schools: An Assessment of Teachers' Attitudes towards Geographic Information Systems (GIS)

    Science.gov (United States)

    Akinyemi, Felicia O.

    2016-01-01

    Technology use is evident in all spheres of human endeavour. Focusing on technology use in education, this paper examines teachers' attitudes towards geographic information system (GIS). An assessment was made of GIS teachers in Rwandan secondary schools. Key areas covered include how GIS is implemented in schools, teachers' attitudes and…

  2. The Complexities of Systems Change in Creating Equity for Students with Disabilities in Urban Schools

    Science.gov (United States)

    Kozleski, Elizabeth B.; Smith, Anne

    2009-01-01

    This article explores the complexities of urban school improvement and systems change through the lens of educational equity policy initiatives. The authors situate urban schools within a critical context where contested identity politics, sociopolitical agendas, and economic stratification marginalize culturally and linguistically diverse…

  3. Using the Family Autobiography in School Counselor Preparation: An Introduction to a Systemic Perspective

    Science.gov (United States)

    Holcomb-McCoy, Cheryl

    2004-01-01

    School counseling professionals are recognizing the need to address family issues as an intervention strategy with children. Counselor educators can assist school counselor trainees in understanding the family systems' perspective by using the family autobiography as a course requirement. This article presents a description of the family…

  4. "AfterZone:" Outcomes for Youth Participating in Providence's Citywide After-School System. Executive Summary

    Science.gov (United States)

    Kauh, Tina J.

    2011-01-01

    This executive summary highlights the main findings from our participation and outcomes analysis of the "AfterZone" initiative--a citywide system-building effort in Providence, Rhode Island, that aims to provide high-quality, accessible out-of-school-time services to middle school youth. The summary briefly defines the AfterZone's unique…

  5. Strengthening of Indonesia school of management in the 21st century through the implementation of school management system based information technology and communications integrated

    Science.gov (United States)

    Setiawan, Wawan; Munir, Senen, Syamsul Hadi; Nugroho, Eddy Prasetyo; Wihardi, Yaya; Nugraha, Eki

    2017-05-01

    Indonesia strengthening school management through the implementation of School Management System Based Information Technology and Communications (SMS-ICT) is intended to improve the performance of schools to accommodate the complexities of management in a computerized system that is simple but comprehensive so that it aligns with the era of the 21st century. School Management System Based Information and Communication Technology-based standards developed 12 education, adapted from 8 national standards into the system components that support the characteristics of 21st century schools. Twelfth system components include curriculum, Personal Development, Recruitment of New Student Services and Student Development, Education Labor and Education, Infrastructure, Leadership, School Management, Financing, Evaluation, and Social Communications. Development of the system is done through the stages of systematically covering Need Assessment, System Design, System Development, Testing Limited, Reveiw and Improvement, Testing Expanded, Finalize, and Packaging. SMS-ICT has gained Copyright and had seminars both nationally and internationally, and have been published by national journals, and in a book chapter. SMS-ICT applied to several schools in districy/city of West Java is based on cooperation with the Education Department of West Java. Implementation of School Management System as strengthening school management Indonesia shows the essential matters of school management. SMS-ICT managed to bring changes not only bring substantial improvements to the school how it should be managed, but also change the mindset of school leaders and teachers in ways of thinking and acting more professional in carrying out their respective duties. SMS-ICT managed as a unified system of governance that is integrated schools overall strategic component in an integrated system that implements ICT that has the capacity to process data and information quickly, accurately and reliably. SMS-ICT as a

  6. Role of Parent and Peer Relationships and Individual Characteristics in Middle School Children's Behavioral Outcomes in the Face of Community Violence

    Science.gov (United States)

    Salzinger, Suzanne; Rosario, Margaret; Feldman, Richard S.; Ng-Mak, Daisy S.

    2010-01-01

    This study examines processes linking inner-city community violence exposure to subsequent internalizing and externalizing problems. Hypothesized risk and protective factors from three ecological domains -- children's parent and peer relationships and individual characteristics -- were examined for mediating, moderating or independent roles in predicting problem behavior among 667 children over three years of middle school. Mediation was not found. However, parent and peer variables moderated the association between exposure and internalizing problems. Under high exposure, normally protective factors (e.g., attachment to parents) were less effective in mitigating exposure's effects than under low exposure; attachment to friends was more effective. Individual competence was independently associated with decreased internalizing problems. Variables from all domains, and exposure, were independently associated with externalizing problems. Protective factors (e.g., parent attachment) predicted decreased problems; risk factors (e.g., friends' delinquency) predicted increased problems. Results indicate community violence reduction as essential in averting inner-city adolescents' poor behavioral outcomes. PMID:21643493

  7. Face Verification for Mobile Personal Devices

    NARCIS (Netherlands)

    Tao, Q.

    2009-01-01

    In this thesis, we presented a detailed study of the face verification problem on the mobile device, covering every component of the system. The study includes face detection, registration, normalization, and verification. Furthermore, the information fusion problem is studied to verify face

  8. A Critical Look at the EFL Education and the Challenges Faced by Iranian Teachers in the Educational System

    Science.gov (United States)

    Safari, Parvin; Rashidi, Nasser

    2015-01-01

    The ultimate aim of any EFL program is to promote long life language development in learners and prepare them for the language use in real life communicative situations. However, many educational systems all over the globe might not achieve this end. Actually, a number of factors within or beyond any system can influence the success or the failure…

  9. Experimental results of near real-time protection system for plasma facing components in Wendelstein 7-X at GLADIS

    Science.gov (United States)

    Ali, A.; Jakubowski, M.; Greuner, H.; Böswirth, B.; Moncada, V.; Sitjes, A. Puig; Neu, R.; Pedersen, T. S.; the W7-X Team

    2017-12-01

    One of the aims of stellarator Wendelstein 7-X (W7-X), is to investigate steady state operation, for which power exhaust is an important issue. The predominant fraction of the energy lost from the confined plasma region will be absorbed by an island divertors, which is designed for 10 {{MWm}}-2 steady state operation. In order to protect the divertor targets from overheating, 10 state-of-the-art infrared endoscopes will be installed at W7-X. In this work, we present the experimental results obtained at the high heat flux test facility GLADIS (Garching LArge DIvertor Sample test facility in IPP Garching) [1] during tests of a new plasma facing components (PFCs) protection algorithm designed for W7-X. The GLADIS device is equipped with two ion beams that can generate a heat load in the range from 3 MWm-2 to 55 MWm-2. The algorithms developed at W7-X to detect defects and hot spots are based on the analysis of surface temperature evolution and are adapted to work in near real-time. The aim of this work was to test the near real-time algorithms in conditions close to those expected in W7-X. The experiments were performed on W7-X pre-series tiles to detect CFC/Cu delaminations. For detection of surface layers, carbon fiber composite (CFC) blocks from the divertor of the Wendelstein 7-AS stellarator were used to observe temporal behavior of fully developed surface layers. These layers of re-deposited materials, like carbon, boron, oxygen and iron, were formed during the W7-AS operation. A detailed analysis of the composition and their thermal response to high heat fluxes (HHF) are described in [2]. The experiments indicate that the automatic detection of critical events works according to W7-X PFC protection requirements.

  10. Toward Food System Sustainability through School Food System Change: Think&EatGreen@School and the Making of a Community-University Research Alliance

    Directory of Open Access Journals (Sweden)

    Yael Harlap

    2011-05-01

    Full Text Available This paper describes the theoretical and conceptual framework and the research and practice model of Think&EatGreen@School, a community-based action research project aiming to foster food citizenship in the City of Vancouver and to develop a model of sustainable institutional food systems in public schools. The authors argue that educational and policy interventions at the school and school board level can drive the goals of food system sustainability, food security, and food sovereignty. The complex relationship between food systems, climate change and environmental degradation require that international initiatives promoting sustainability be vigorously complemented by local multi-stakeholder efforts to preserve or restore the capacity to produce food in a durable manner. As a step towards making the City of Vancouver green, we are currently involved in attempts to transform the food system of the local schools by mobilizing the energy of a transdisciplinary research team of twelve university researchers, over 300 undergraduate and graduate students, and twenty community-based researchers and organizations working on food, public health, environmental and sustainability education.

  11. An Exploration of Online Environments Supporting Follow-Up to Face-to-Face Professional Development

    Science.gov (United States)

    Green, Marybeth; Cifuentes, Lauren

    2008-01-01

    In this study we examined the effects of online follow-up and online peer interaction following a face-to face professional development workshop on attitudes towards that professional development and completion of a professional development task. School librarians were invited to work online on a three page plan outlining interventions a library…

  12. Immigrant parents as ‘coaches’ for their children in the Danish school system

    DEFF Research Database (Denmark)

    Viala, Eva Silberschmidt

    generation (im)migrant parents and the school has proved particularly difficult. According to school teachers, cultural differences, socio-economic problems combined with (im)migrants’ uncertainty and feelings of powerlessness as to the upbringing of their child/children in a new cultural setting constitute......)migrants’ perspectives are not well researched and understood. Based on theories from social and cultural psychology and drawing on my research on (im)migrant parents’ experience with the Danish school system, this paper discusses these parents’ views on the parenting culture promoted by the Danish state and the school...

  13. School choice: challenge to Sharpeville public school principals

    African Journals Online (AJOL)

    Erna Kinsey

    Every group had its own educational system, adminis- tration and ... School choice enables children from poor families and different race groups to .... ings of the research as authentic experiences, as lived and perceived by informants. ..... another. (One sees beautiful smiles on faces of learners as they speak). We do not ...

  14. Face-Lift Satisfaction Using the FACE-Q.

    Science.gov (United States)

    Sinno, Sammy; Schwitzer, Jonathan; Anzai, Lavinia; Thorne, Charles H

    2015-08-01

    Face lifting is one of the most common operative procedures for facial aging and perhaps the procedure most synonymous with plastic surgery in the minds of the lay public, but no verifiable documentation of patient satisfaction exists in the literature. This study is the first to examine face-lift outcomes and patient satisfaction using a validated questionnaire. One hundred five patients undergoing a face lift performed by the senior author (C.H.T.) using a high, extended-superficial musculoaponeurotic system with submental platysma approximation technique were asked to complete anonymously the FACE-Q by e-mail. FACE-Q scores were assessed for each domain (range, 0 to 100), with higher scores indicating greater satisfaction with appearance or superior quality of life. Fifty-three patients completed the FACE-Q (50.5 percent response rate). Patients demonstrated high satisfaction with facial appearance (mean ± SD, 80.7 ± 22.3), and quality of life, including social confidence (90.4 ± 16.6), psychological well-being (92.8 ± 14.3), and early life impact (92.2 ± 16.4). Patients also reported extremely high satisfaction with their decision to undergo face lifting (90.5 ± 15.9). On average, patients felt they appeared 6.9 years younger than their actual age. Patients were most satisfied with the appearance of their nasolabial folds (86.2 ± 18.5), cheeks (86.1 ± 25.4), and lower face/jawline (86.0 ± 20.6), compared with their necks (78.1 ± 25.6) and area under the chin (67.9 ± 32.3). Patients who responded in this study were extremely satisfied with their decision to undergo face lifting and the outcomes and quality of life following the procedure.

  15. [Secondary school menu in Madrid (Spain): knowledge and adherence to the Spanish National Health System recommendations].

    Science.gov (United States)

    Berradre-Sáenz, Belén; Royo-Bordonada, Miguel Ángel; Bosqued, María José; Moya, María Ángeles; López, Lázaro

    2015-01-01

    To establish the degree of knowledge and adherence to the Spanish National Health System recommendations on nutrition in schools in the Autonomous Community of Madrid. Cross-sectional study of a random sample of 182 secondary schools from Madrid, during 2013-2014 school year. Information on the characteristics of the schools and the knowledge of the recommendations was collected by internet and telephone interviews, as well as a copy of the school menu. The average number of rations per week offered for each food item and the percentage of schools within the recommended range were calculated. The overall adherence was obtained as the mean of food items (0-12) within the range. 65.5% of the schools were unaware of the national recommendations. The supply of rice, pasta, fish, eggs, salad and fruit was lower than recommended, whereas for meat, accompaniment and other desserts was higher. The percentage of schools within the range for each food item varied between 13% and 95%. The mean of overall adherence was 6.3, with no differences depending on whether the menu was prepared or not at schools or there was or not a person in charge of nutrition standards. The degree of adherence to the recommendations was variable, being advised to increase the supply of cereals, eggs, fish, salad and fruit. Programs for dissemination and implementation of the recommendations, leaded by trained professionals, are required to improve the nutritional value of school menu. Copyright © 2015 SESPAS. Published by Elsevier Espana. All rights reserved.

  16. Experts' views regarding Australian school-leavers' knowledge of nutrition and food systems.

    Science.gov (United States)

    Sadegholvad, Sanaz; Yeatman, Heather; Parrish, Anne-Maree; Worsley, Anthony

    2017-10-01

    To explore Australian experts' views regarding strengths and gaps in school-leavers' knowledge of nutrition and food systems ( N&FS) and factors that influence that knowledge. Semi-structured interviews were conducted with 21 highly experienced food-related experts in Australia. Qualitative data were analysed thematically using Attride-Stirling's thematic network framework. Two global themes and several organising themes were identified. The first global theme, 'structural curriculum-based problems', emerged from three organising themes of: inconsistencies in provided food education programs at schools in Australia; insufficient coverage of food-related skills and food systems topics in school curricula; and the lack of trained school teachers. The second global theme, 'insufficient levels of school-leavers knowledge of N&FS ', was generated from four organising themes, which together described Australian school-leavers' poor knowledge of N&FS more broadly and knowledge translation problem for everyday practices. Study findings identified key problems relating to current school-based N&FS education programs in Australia and reported knowledge gaps in relation to N&FS among Australian school-leavers. These findings provide important guidance for N&FS curriculum development, to clearly articulate broadly-based N&FS knowledge acquisition in curriculum policy and education documents for Australian schools. © 2017 The Authors.

  17. Appendix N. Implementation of the RUPS System in a Total School District.

    Science.gov (United States)

    Jung, Charles; And Others

    The implementation in a school district of the Research Utilization and Problem Solving (RUPS) System is demonstrated. RUPS is an instructional system for an inservice program designed to provide the needed competencies for an entire staff to engage in systems analysis and systems synthesis procedures prior to assessing educational needs and…

  18. Intercity passenger rail : the congress faces critical decisions about the role of and funding for intercity passenger rail systems

    Science.gov (United States)

    2001-07-25

    With the growth in the nation's highway and aviation systems in the : previous decades, intercity passenger rail service lost its competitive edge. Highways have enabled cars to be competitive with conventional passenger trains (those operating up to...

  19. The Key to School Security.

    Science.gov (United States)

    Hotle, Dan

    1993-01-01

    In addition to legislative accessibility requirements, other security issues facing school administrators who select a security system include the following: access control; user friendliness; durability or serviceability; life safety precautions; possibility of vandalism, theft, and tampering; and key control. Offers steps to take in considering…

  20. A systems approach to implementation of eLearning in medical education: five MEPI schools' journeys.

    Science.gov (United States)

    Vovides, Yianna; Chale, Selamawit Bedada; Gadhula, Rumbidzayi; Kebaetse, Masego B; Nigussie, Netsanet Animut; Suleman, Fatima; Tibyampansha, Dativa; Ibrahim, Glory Ramadhan; Ntabaye, Moshi; Frehywot, Seble; Nkomazana, Oathokwa

    2014-08-01

    How should eLearning be implemented in resource-constrained settings? The introduction of eLearning at four African medical schools and one school of pharmacy, all part of the Medical Education Partnership Initiative (MEPI) eLearning Technical Working Group, highlighted the need for five factors essential for successful and sustainable implementation: institutional support; faculty engagement; student engagement; technical expertise; and infrastructure and support systems. All five MEPI schools reported strengthening technical expertise, infrastructure, and support systems; four schools indicated that they were also successful in developing student engagement; and three reported making good progress in building institutional support. Faculty engagement was the one core component that all five schools needed to enhance.