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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
371

Vliv pregraduálního vzdělání a podpora školního prostředí u začínajících učitelů biologie/přírodopisu / The Influence of the Higher Education and Support of the School Environment for Beginning Teachers of Biology

Přibylová, Kateřina January 2018 (has links)
The aim of the diploma thesis was to find out how beginning teachers perceive the influence of the higher education and the support of the school environment in the course of their first years of practice and also how they subsequently propose to improve the quality of the higher education and the support of the school environment. The data were collected through semi-structured interviews with twelve beginning teachers with a one to five years of experience. The data were processed by the method of the grounded theory. It was discovered that the beginning teachers' perception of the higher education and the support of the school environment is influenced not only by the form of those two elements but also by the teachers' perceived problems, which are very individual. The factors that cause the individuality of the problems and subsequently the point of views of the beginning teachers are discussed in the thesis. It is not possible to determine the form of the higher education and the support of the school environment that would suit everyone given the individuality of the beginning teachers' views. On the other hand, there are some trends across the opinions of beginning teachers and thus they are presented in the thesis. Key words: beginning teacher, problems of beginning teachers, higher...
372

The role of the principal in promoting a culture of leaning and teaching in Shiselweni High School in Swaziland

Ndlela, Julia Nelisiwe 11 1900 (has links)
The researcher has observed and noted that out of the four regions of Swaziland, Shiselweni is the leading region with high schools that manifest a poor culture of learning and teaching. The summary of 2009 Junior Certificate results revealed that it is not only that Shiselweni had the lowest pass rate, but also that it recorded the highest number of failures when compared with the other three regions. The purpose of the study was to determine strategies that could be used by principals in promoting a culture of learning and teaching in Shiselweni high schools in Swaziland. The study pursued a qualitative research design which was explorative and descriptive. Qualitative methods were used to collect data from the respondents. Data was collected by means of focus group interviews with learners and teachers, and then through one-onone interviews with principals and parents. The sample was drawn from six high schools in the Shiselweni region that differed in their academic performance. Purposive sampling was used when selecting the schools and those who were to participate in the study. Data was constantly compared and analyzed using the coding method. Participants signed letters of consent and they were assured of the anonymity and confidentiality of the study. They were also made aware that they were not forced to participate in the study and that they were free to withdraw if they were so persuaded. Triangulation and the Guba’s trustworthiness model were used to enhance the reliability and validity of the study. Findings helped the researcher to arrive at recommendations on the role that principals should play in promoting a culture of learning and teaching in Shiselweni high schools in Swaziland. / Educational Studies / M. Ed. (Educational Management)
373

Uso de recursos estimuladores da aprendizagem significativa no ensino de física

Santos, Ernani dos 30 July 2012 (has links)
Made available in DSpace on 2016-06-02T20:16:50Z (GMT). No. of bitstreams: 1 4728.pdf: 5844228 bytes, checksum: 0d9e6862837acbdc1cbffb1d8e3e089d (MD5) Previous issue date: 2012-07-30 / This research deals with resources which lead to significant learning consistent with the needs of modern society and encourages students to develop knowledge in Physics, in order to enable them to interact with the community in a critical and consistent manner towards an intellectual, economic and technological development in a conscious and sustainable way. Therefore, we studied teaching methods based on constructivism and meaningful learning, coupled with application of resources to explore the school environment and technologies related to education and practical application of Science in low cost experiments; in Science Museums and Thematic Parks; aiming to recover the values of the school and offer a new perspective on education for teachers and students, who pressed for mutual participation in the teaching-learning and highlight its importance in the progress of the nation. / A pesquisa trata de recursos que conduzam à aprendizagem significativa condizente com as necessidades da sociedade moderna e que estimule os estudantes a desenvolver conhecimentos na disciplina de Física, de modo a capacitá-los a interagir com a coletividade de maneira crítica e consistente, rumo ao desenvolvimento intelectual, tecnológico e econômico de forma consciente e sustentável. Para tanto, foram estudadas metodologias de ensino baseadas no construtivismo e na aprendizagem significativa, aliadas à aplicação de recursos que explorem o ambiente escolar, as tecnologias voltadas à educação e a aplicação prática da Ciência em experimentos de baixo custo, em Museus de Ciências e em Parques Temáticos visando resgatar os valores da instituição escolar e oferecer uma nova perspectiva de educação a professores e estudantes, que prime pela participação mútua no processo de ensino-aprendizagem e evidencie sua importância no progresso da nação.
374

Aplicação e avaliação de técnicas de agroecologia e compostagem como dinamizadores da educação ambiental nos currículos e espaços escolares

Mello Filho, Nilson Ramos de 26 August 2014 (has links)
Esta dissertação apresenta uma proposta para desenvolver e implementar situações de ensino-aprendizagem, utilizando a compostagem e a agroecologia como dinamizadores da Educação Ambiental continuada no currículo escolar, em duas escolas municipais de Pinhais, Paraná. Buscando formar futuros cidadãos responsáveis e comprometidos com os destinos e a qualidade ambiental da comunidade em que vivem, foram desenvolvidos temas de aplicação prática da compostagem e dos princípios de Agroecologia como dinamizadores da Educação Ambiental. Estes temas foram explorados de forma transversal visando a abordagem holística da relação homem, natureza e sociedade. Os temas tratados foram: compostagem - utilizando três técnicas diferentes; metodologias de ensino- aprendizagem aplicadas como germinação de feijões; cuidando do presente da mamãe – vasos de temperos; e organizando a horta escolar. Cada metodologia foi desenvolvida com as turmas do ensino fundamental de 1o ao 5o ano, em duas escolas municipais de Pinhais, totalizando 805 alunos e 49 professores atuando e participando do processo. Foi realizado um levantamento dos conteúdos curriculares e suas respectivas áreas do conhecimento, do ensino fundamental do município de Pinhais, a fim de identificar as relações entre os temas transversais e de como poderiam estar sendo trabalhados de forma multi e interdisciplinar. Como resultado identificou-se que a técnica de compostagem utilizando gaiolas foi a que melhor se adaptou à dinâmica escolar. Quanto as dinâmicas aplicados propostas pela pesquisa, após analisadas e comparadas com os conteúdos curriculares e áreas do conhecimento, demonstraram uma grande possibilidade de aplicação interdisciplinar. Isto demonstrou que o tema abordado de forma transversal possui aderência com o currículo e permite a dinamização da Educação Ambiental neste sentido. Quanto ao tema organizando a horta escolar, verificou-se que se faz necessário ter um servidor que esteja voltado a planejar, implantar, cuidar e organizar os temas transversais e suas práticas, para que os projetos possam de fato ser executados na escola. Da forma como a estrutura está posta atualmente, os professores não possuem condições de desenvolver projetos e temas transversais para a Educação Ambiental, por apresentarem uma sobre carga horária grande para vencer os conteúdos curriculares tradicionais, e por se sentirem inseguros em relação aos temas ambientais e suas implicações de desenvolvimento prático. / This dissertation present one proposal to develop and implement teaching situations, using composting and agro ecology as a dynamic way to environmental education in the school resume, in two municipal schools from Pinhais, Paraná. Searching to form future citizens responsible and compromised with the destiny and the environmental quality of the community that they live, have been develop themes of practice application of composting and the principles of agro ecology as dynamic ways to the environmental education. This themes were explore in a transversal way looking the holistic approaching of the men relation, nature and society. The treated themes were: composing – using tree different techniques; teaching methodology – apply learning as beans germination; caring about the mothers present – vessels of spice; and organization the school gardem. Each methodology was develop with the elementary school classes, in two municipal schools from Pinhais, totalizing 805 students and 49 teachers acting in the process. Have been realized a survey about the resume contends and their respective knowledge area, in the elementary teaching in the municipality of Pinhais, trying to found the relations between the transversal themes and how it could be work in an interdisciplinary way . As a result was noted that the composing techniques using cages have been the ones that have better adapted to the school dynamic, and presented results Satisfactory in relation of C/N of 11/1, in six months of composing. About the propose dynamics apply by the research, after analyze and compared with the resume contents and areas of knowledge, had demonstrate a big possibility of interdisciplinary application. This had demonstrate that the addressed theme in a transversal way has adherence as the Resume and allow a dynamic environmental education in this way. About the theme organizing the garden, it is noticed that is necessary to have a server that is face to planning , implementing, taking care and organizing the transversal themes e it practices, so the projects could in fact run in the school. In the way that the structure is post annually, the teachers don ́t have conditions to develop projects and transversal themes to the environmental education, for presenting one about huge workload to win the traditional resume contends, and for feel insecure in relation to the environmental themes and it implication of practical development.
375

As práticas de linguagem em sala de aula de língua portuguesa e o desafio de conviver para aprender

Souza, Lucilene Maria de 25 November 2016 (has links)
Submitted by Renata Lopes (renatasil82@gmail.com) on 2017-09-12T20:34:18Z No. of bitstreams: 0 / Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2017-09-13T13:06:48Z (GMT) No. of bitstreams: 0 / Made available in DSpace on 2017-09-13T13:06:48Z (GMT). No. of bitstreams: 0 Previous issue date: 2016-11-25 / CAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / O presente estudo, desenvolvido na esfera do Mestrado Profissional em Letras da Universidade Federal de Juiz de Fora – PROFLETRAS, vincula-se à segunda etapa do macroprojeto “Ensino de língua Portuguesa - da formação docente à sala de aula” (MIRANDA, 2014) e se define como um Estudo de Caso e como uma pesquisa-ação (MORIN, 2004). O cenário investigativo é uma sala de aula de Língua Portuguesa de uma escola pública da cidade de Juiz de Fora/MG, e os sujeitos, 26 alunos do 9º ano. Esta sala de aula, marcada pela apatia, desinteresse, indisciplina e microviolências não vinha se configurando como um ambiente de boa convivência e, portanto, desfavorável ao processo de ensino-aprendizagem. O projeto constitui-se de duas etapas – uma diagnóstica e outra interventiva. Para a etapa diagnóstica, foram eleitos dois instrumentos investigativos voltados para os alunos - um questionário socioeconômico e cultural e a escrita de um Relato de Experiências. Para as análises do discurso discente, tomou-se como base a Semântica de Frames (FILLMORE, 1982) e seu Projeto lexicográfico Framenet (www.framenet.icsi.berkeley.edu). Os resultados desta análise semântica serviram de indicadores para um exercício interpretativo interdisciplinar das questões educacionais em foco. As ações interventivas tiveram como meta a ressignificação do ambiente da sala de aula, de modo a torná-lo um espaço para o efetivo exercício da linguagem. Tal etapa estruturou-se em dois projetos: 1. “Educando a oralidade e promovendo um Pacto Social” e 2. Refletindo sobre o futuro e escrevendo um Projeto de vida”. Os pilares que sustentam este projeto recaem na construção de um Ambiente Escolar para a convivência (TOGNETTA e VINHA, 2007, 2009, 2013; GARCIA, 2006, 2009, 2013; ARAÚJO, 1994, 1999; LA TAILLE, 1994, 2006, 2009; CHARLOT, 2002; DEBARBIEUX, 2006), ancorado na ação Protagonista dos discentes (COSTA, 2004; COSTA e VIEIRA, 2006), na recuperação da Autoridade docente por vias da Autoria (MIRANDA, 2005; AQUINO, 1998, 2014; GARCIA, 2010; ARAÚJO, 1999; GUZZONI, 1995), no equacionamento de Educação linguística e cidadã (MIRANDA, 2005; DOLZ e SCHNEUWLY, 2004; TOGNETTA e VINHA, 2007, 2009; ARAÚJO, 1999, 2014; LA TAILLE, 2006). Fundamenta as propostas de ensino de leitura, escrita e oralidade uma perspectiva de ensino de língua ancorada na visão de linguagem como prática social (SOLÉ, 1998; MIRANDA, 2006; KOCH e ELIAS, 2014, ANTUNES, 2010). A ressignificação do ambiente e das relações interpessoais entre os partícipes da sala de aula favoreceu as práticas linguísticas e tornou possível o processo da ensino-aprendizagem. O trabalho desenvolvido está apresentado em dois documentos: um Caderno Pedagógico digital e interativo que descreve e justificativa a ação interventiva e um documento dissertativo com as bases teóricas, metodológicas e a análise diagnóstica da sala da aula em foco. / This study, developed in the sphere of Professional Master of Letters from the Federal University of Juiz de Fora - PROFLETRAS, is linked to the second stage of macroproject "Portuguese language education - teacher education to the classroom" (MIRANDA, 2014) and is defined as a case study and as an action research (MORIN, 2004). The investigative scenario is a Portuguese classroom of a public school from the city of Juiz de Fora / MG, and the subjects, 26 students from the 9th grade. This classroom, marked by apathy, no interest indiscipline and microviolences, was not shaping up as a good living environment and therefore unfavorable to the teaching-learning process. The project consists of two stages - a diagnostic and an interventional one. For the diagnostic stage, we elected two investigative tools geared to the students - a socioeconomic and cultural questionnaire and the writing of an Experience Report. For the analysis of student speech, it was based on the Semantic of Frames (FILLMORE, 1982) and his lexicographical project Framenet (www.framenet.icsi.berkeley.edu). The results of this semantic analysis served as indicators for an interdisciplinary interpretive exercise of educational issues in focus. Our interventional actions had the goal of reframing the classroom environment, so as to make it a place for the effective exercise of language. This step was structured in two projects: 1. "Educating orality and promoting a Social Pact" and 2. “Reflecting on the future and writing a Life Project ".The pillars supporting this project fall in the construction of a School Environment for coexistence (TOGNETTA and VINHA, 2007, 2009, 2013; GARCIA, 2006, 2009, 2013; ARAUJO, 1994, 1999; LA TAILLE, 1994, 2006, 2009; CHARLOT, 2002; DEBARBIEUX, 2006), anchored in Protagonist action of students (COSTA, 2004; COSTA and VIEIRA, 2006), the recovery of the teaching authority by Authorship pathways (MIRANDA, 2005; AQUINO, 1998, 2014; GARCIA, 2010; ARAUJO, 1999; GUZZONI, 1995), the equation of language and citizenship education (MIRANDA, 2005; DOLZ and SCHNEUWLY, 2004; TOGNETTA and VINHA, 2007, 2009; ARAUJO, 1999, 2014; LA TAILLE, 2006). It has based proposals for teaching reading, writing and speaking skills, a language teaching perspective anchored in the language vision as a social practice (SOLÉ, 1998; MIRANDA, 2006; and KOCH ELIAS, 2014 ANTUNES, 2010). The reinterpretation of the environment and interpersonal relations among the participants of my classroom favored linguistic practices and made possible the process of teaching and learning, which is an attached dissertative document with the theoretical, methodological basis and diagnostic analysis of the classroom in focus. The work developed is presented in two documents: a digital and interactive pedagogical Notebook which describes and justifies the interventional action and a dissertative document with the theoretical, methodological basis and the diagnostic analysis of the classroom in focus.
376

Kriminalita u žáků na 1. stupni ZŠ a sociální dopady / Criminal activity of students attending primary schools and its social impact

Čižinský, Ondřej January 2017 (has links)
This diploma thesis deals with the criminality of children at the first level of elementary schools. The thesis is divided into theoretical part and empirical part. In the theoretical part, we are focusing on the causes and specifics of child criminality. Than three influences that affect the child are also described. This is the effect of family, school environment and leisure time. In the practical part are statistics of child criminality. As part of empirical research, we found out how the link between leisure time and the occurrence of criminal activity is. The questionnaire method was used. The data was collection at elementary school in Prague 1. Another method was self-observation based on communication with a low-threshold center worker.
377

Relação entre avós, netos e escola: uma abordagem bioecológica.

Coelho, Maria Teresa Barros Falcão 01 February 2018 (has links)
Submitted by Biblioteca Central (biblioteca@unicap.br) on 2018-08-23T19:04:01Z No. of bitstreams: 2 maria_tresa_barros_falcao_coelho.pdf: 5933211 bytes, checksum: e9960ca825a101a6392fb87a3c4a2fc6 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Made available in DSpace on 2018-08-23T19:04:01Z (GMT). No. of bitstreams: 2 maria_tresa_barros_falcao_coelho.pdf: 5933211 bytes, checksum: e9960ca825a101a6392fb87a3c4a2fc6 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2018-02-01 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES# / #2075167498588264571# / #600 / The present study is based on the Bioecological Theory of Human Development and aims to investigate the relationship between guardian grandparents, grandchildren and school in this day and age, when several social changes affect the roles assumed by grandparents in raising their grandchildren, as well as the relationship they establish with one another and other development contexts. The thesis is structured in three interdependent studies. The first study, already published, corresponds to a systematic review of literature on grandparents raising grandchildren within a period of ten years (2004/2014). The results showed that, although the number of studies on the relationship between grandparents and grandchildren has increased in recent decades, researches regarding guardian grandparents are recent and still scarce, especially when investigating the relationship of grandparents with other development contexts, such as the school of their grandchildren. In order to accomplish the ensuing empirical studies, Ecological Insertion was used as the methodological strategy. Participants were selected intentionally, over an approach to a primary school of the state public school network in the city of Recife/Pernambuco. Diversified instruments were used over a period of eight months, total time of insertion of the researcher in the field. The first five months corresponded to the period of attachment of the researcher to the context, in which naturalistic observations were initiated. In the last three months sociodemographic questionnaires were applied and semi-structured interviews were conducted with the participants. The second study analyzes the relationship between guardian grandparents and their grandchildren from a bioecological perspective. Six guardian grandparents and eight grandchildren who answered sociodemographic questionnaires and semi-structured interviews were included in the study. From the Thematic Content Analysis, the following themes were discussed: grandparents’ parenting; joint activities that involve grandparents and grandchildren. The results showed that grandparents’ parenting is a relational process that is developed over time and involves individual and contextual dimensions. On the other hand, the analysis of joint activities revealed that guardian grandparents and grandchildren are primary dyads that influence and learn from each other in sports, leisure and cultural activities, corroborating with studies that affirm that such activities favor the creation and maintenance of the bond between grandparents and grandchildren. The importance of the intergenerational approach was discussed through intergenerational programs aimed at favoring coeducational processes that benefit grandparents and grandchildren. The third study analyzes the family and school mesosystem from the perspective of guardian grandparents, grandchildren and teachers. Six grandparents, eight grandchildren and eight teachers participated in this study. Semi-guided interviews (with a script for each group), field diary and sociodemographic questionnaire were used as instruments. In the analysis of the results, the sociodemographic data and the records of the observations were articulated to the contents brought by the participants in the interviews. All interviews were transcribed in full and analyzed according to the steps in Thematic Content Analysis. The following themes were discussed: the relationship between guardian grandparents and school; the ease and difficulties in that relationship; the information and communication between the family and the school contexts; and the joint activities involving family and school. In all these dimensions the obstacles and the possibilities for the expansion of the potential for development of the family and school mesosystem were analyzed. It was evidenced that important aspects to expand the potential for development of the family and school contexts were put into action with the presence of guardian grandparents in the school context by establishing a direct communication with the teachers, expecting the collaboration of the school in the development of their grandchildren, and suggesting actions and interventions. These results confirmed the growing importance of grandparents for family, school, and society as they play the role of guardians of their grandchildren. / O presente estudo fundamenta-se na Teoria Bioecológica do Desenvolvimento Humano para investigar a relação entre avós guardiões, netos e escola no cenário atual, em que várias mudanças sociais repercutem nos papéis assumidos por avós ao criarem os netos, assim como no relacionamento que estabelecem entre si e com outros contextos de desenvolvimento. A tese está estruturada em três estudos interdependentes. O primeiro estudo, já publicado, corresponde a uma revisão sistemática da literatura sobre os avós que criam netos considerando o período de dez anos (2004/2014). Os resultados obtidos demonstraram que, embora os estudos sobre o relacionamento entre avós e netos tenham aumentado nas últimas décadas, as pesquisas sobre os avós guardiões são recentes e ainda escassas, sobretudo quando se investigou a relação desses avós com outros contextos de desenvolvimento, como a escola dos netos. Para realização dos estudos empíricos subsequentes, utilizou-se a Inserção ecológica como estratégia metodológica. Os participantes foram selecionados de forma intencional, a partir de abordagem a uma escola de ensino fundamental da rede pública estadual, na cidade do Recife/Pernambuco. Foram utilizados instrumentos diversificados ao longo de oito meses, tempo total de inserção da pesquisadora no campo. Os cinco primeiros meses corresponderam ao período de vinculação da pesquisadora ao contexto, no qual foram iniciadas observações naturalísticas. Nos três últimos meses foram aplicados questionários sociodemográficos e realizadas as entrevistas semidirigidas com os participantes. O segundo estudo analisa o relacionamento entre avós guardiões e seus netos, numa perspectiva bioecológica. Foram participantes seis avós guardiões e oito netos que responderam a questionários sociodemográficos e entrevistas semidirigidas. A partir da Análise de Conteúdo Temática foram discutidos os temas: Parentalização dos avós; Atividades conjuntas entre avós e netos. Como resultados, obteve-se que a parentalização dos avós trata-se de um processo relacional, que ocorre ao longo do tempo e envolve dimensões individuais e contextuais. Por sua vez, a análise das atividades conjuntas, revelou que avós guardiões e netos constituem díades primárias que se influenciam mutuamente e se coeducam em atividades esportivas, de lazer e culturais, corroborando com os estudos que afirmam que tais atividades favorecem a construção e manutenção de laços afetivos estáveis entre avós e netos. Discutiu-se sobre a importância da aproximação entre as gerações através de programas intergeracionais que visam favorecer processos coeducativos que beneficiam avós e netos. O terceiro estudo analisa o mesossistema família e escola na perspectiva dos avós guardiões, netos e professores. Participaram desta pesquisa seis avós, oito netos e oito professores. Foram utilizados como instrumentos: entrevistas semidirigidas (com um roteiro próprio para cada grupo), diário de campo e questionário sociodemográfico. Na análise dos resultados os dados sociodemográficos e os registros das observações foram articulados aos temas desenvolvidos pelos participantes nas entrevistas. Todas as entrevistas foram transcritas na íntegra e analisadas de acordo com as etapas da Análise de Conteúdo Temática. Foram discutidos os seguintes temas: Relacionamento entre os avós guardiões e a escola; Facilidades e dificuldades encontradas nessa relação; Avaliação das informações e da comunicação trocadas entre os contextos familiar e escolar; assim como as Atividades conjuntas realizadas entre família e escola. Em todas essas dimensões analisaram-se os entraves e as possibilidades para a ampliação do potencial desenvolvimental do mesossistema família e escola. Evidenciou-se que aspectos importantes para ampliar o potencial desenvolvimental dos contextos familiar e escolar foram postos em ação com a presença dos avós guardiões no contexto escolar, estabelecendo uma comunicação direta com os professores, com expectativas de contar com a colaboração da escola em prol do desenvolvimento dos netos, sugerindo ações e intervenções em diversos formatos. Tais resultados confirmaram a importância crescente dos avós para a família, para a escola e para a sociedade, ao assumirem o papel de guardiões de seus netos.
378

Att främja barns utveckling, psykosociala hälsa och välbefinnande genom musik i skolan : En kunskapsöversikt / To support children’s development, psychosocial health, and well-being through music in school – a research summary.

Illmayr, Christina January 2021 (has links)
This thesis’ purpose is to review how music in school settings contributes to children’s development, psychosocial health, and well-being. The undertaken method is a compilation of current research which focuses on different themes within the field of music in school settings: group processes, personality processes, cognitive processes, and contribution to society. The objective is to find out about how music lessons and music projects are being applied in school settings to support children’s health and development. The thesis answers the following research question: In which ways can the practice of music in school settings contribute to prevent psychosocial problems amongst children and youth? To answer this question, research published between 2006 – 2020 is studied and analysed with three theoretical perspectives to provide a better understanding of the material: social capital, cognitive theory as well as protective and risk factors for children’s development. The used method for carrying out this thesis is a research summary, which summarises the results within thematic units. The results of the study show that music in school settings can contribute to positive factors within groups such as social cohesion, communication, prosocial skills, and behaviour, generating a more positive social environment in schools with possibilities to encounter school problems related to aggression. Furthermore, music practice in school can enhance children’s learning processes within academic dimensions and aspects related to children’s self and well-being. Results also show music projects’ significance of contributing differentresources, especially to schools located in socio-economically poorer areas.
379

A Client-Server Solution for Detecting Guns in School Environment using Deep Learning Techniques

Olsson, Johan January 2019 (has links)
Att använda maskininlärning för att detektera vapen eliminerar en konstant mänsklig övervakning, vilket också kan leda till en lägre responstid till polis. I den här rapporten undersöks hur en vapendetektor kan konstrueras och byggas som en del av en klient-server-lösning. / With the progress of deep learning methods the last couple of years, object detectionrelated tasks are improving rapidly. Using object detection for detecting guns in schoolsremove the need for human supervision and hopefully reduces police response time. Thispaper investigates how a gun detection system can be built by reading frames locally andusing a server for detection. The detector is based on a pre-trained SSD model and throughtransfer learning is taught to recognize guns. The detector obtained an Average Precisionof 51.1% and the server response time for a frame of size 1920 x 1080 was 480 ms, but couldbe scaled down to 240 x 135 to reach 210 ms, without affecting the accuracy. A non-gunclass was implemented to reduce the number of false positives and on a set of 300 imagescontaining 165 guns, the number of false positives dropped from 21 to 11.
380

A Client-Server Solution for Detecting Guns in School Environment using Deep Learning Techniques

Olsson, Johan January 2019 (has links)
With the progress of deep learning methods the last couple of years, object detection related tasks are improving rapidly. Using object detection for detecting guns in schools remove the need for human supervision and hopefully reduces police response time. This paper investigates how a gun detection system can be built by reading frames locally and using a server for detection. The detector is based on a pre-trained SSD model and through transfer learning is taught to recognize guns. The detector obtained an Average Precision of 51.1% and the server response time for a frame of size 1920 x 1080 was 480 ms, but could be scaled down to 240 x 135 to reach 210 ms, without affecting the accuracy. A non-gun class was implemented to reduce the number of false positives and on a set of 300 images containing 165 guns, the number of false positives dropped from 21 to 11.

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