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Tesis sobre el tema "Classification des postures"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 5 de febrero de 2022

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1

Mousse, Ange Mikaël. "Reconnaissance d'activités humaines à partir de séquences multi-caméras : application à la détection de chute de personne." Thesis, Littoral, 2016. http://www.theses.fr/2016DUNK0453/document.

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La vision artificielle est un domaine de recherche en pleine évolution. Les nouvelles stratégies permettent d'avoir des réseaux de caméras intelligentes. Cela induit le développement de beaucoup d'applications de surveillance automatique via les caméras. Les travaux développés dans cette thèse concernent la mise en place d'un système de vidéosurveillance intelligente pour la détection de chutes en temps réel. La première partie de nos travaux consiste à pouvoir estimer de façon robuste la surface d'une personne à partir de deux (02) caméras ayant des vues complémentaires. Cette estimation est

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2

Eraso, Natalia. "Gramática tanimuka, una lengua de la Amazonía colombiana." Thesis, Lyon 2, 2015. http://www.theses.fr/2015LYO20076/document.

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Cette grammaire du tanimuka, langue tucano d’Amazonie colombienne, s’organise en quatre parties. La première partie, ‘le tanimuka : la langue et ses locuteurs’, est divisée en trois chapitres (1 à 3), qui établissent le profil sociolinguistique de la langue, et décrivent les conditions d’enquête de terrain. La deuxième partie, divisée en deux chapitres (5 et 6), présente une description de la phonologie et morphophonologie de la langue, avec une description du phénomène d’épenthèse syllabique dans le verbe. La troisième partie (chapitres 7 et 8) présente d’abord une étude générale de la gramma

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3

Fidahoussen, Hassanaly Chaïna. "Entre postures, textes et contexte, pour une réflexion exhaustive sur la littérature orale malgache : pratiques discursives sur le concept d'oralité depuis platon, examen terminologique, génétique et taxinomique de la littérature orale malgache, étude du champ littéraire orale à Madagascare." Paris 13, 2008. http://www.theses.fr/2008PA131036.

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Cette étude sur la littérature orale malgache est une contribution originale qui cherche à combler un vide théorique, du moins en partie, sur divers aspects peu soulevés ou non, aussi bien par les malgachisants que d’autres chercheurs. Dans un double mouvement entre rappels théoriques et examen du cas malgache, nous embrassons une amplitude extrêmement vaste pour explorer des questions aussi bien universelles que proprement malgaches. À cet effet, nous remontons dans le temps aux époques présocratique et platonicienne, premiers à avoir rationalisé l’art et la littérature. Nous parcourons égale

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4

Aloqlah, Mohammed. "A Headband-Integrated Wireless Accelerometer System for Real-Time Posture Classification and Safety Monitoring." Case Western Reserve University School of Graduate Studies / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=case1278985875.

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5

Safi, Khaled. "Human postural stability analysis : application to Parkinsonian subjects." Thesis, Paris Est, 2016. http://www.theses.fr/2016PESC1066/document.

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L’analyse de la stabilité posturale chez l’homme a fait l’objet, ces dernières années, d’un intérêt grandissant au sein de la communauté scientifique. Le système postural permet de maintenir la stabilité du corps humain en posture statique ou dynamique. Cette capacité à maintenir cette stabilité devient critique dans le cas des sujets Parkinsoniens. La maladie de Parkinson a en effet une forte incidence sur la stabilité posturale. Un moyen efficace pour évaluer l’équilibre postural consiste à analyser les déplacements dans le plan horizontal du centre de pression du corps humain en posture ort

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6

Zhang, Jian. "Support Vector Machines (SVMs) Based Framework for Classification of Fallers and Non-Fallers." Diss., Virginia Tech, 2014. http://hdl.handle.net/10919/64189.

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The elderly population is growing at a rapid pace, and falls are a significant problem facing adults aged 65 and older in terms of both human suffering and economic losses. Falls are the leading cause of mortality among older adults, and non-fatal falls result in reduced function and poor quality of life for older adults. Although much is known about the mechanisms and contributing risk factors relevant to falls, falls still remain a significant problem associated with this age group. Therefore, new strategies and knowledge need to be introduced to understand and prevent falls. Studies show

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7

Fu, Teng. "IntelliChair : a non-intrusive sitting posture and sitting activity recognition system." Thesis, Abertay University, 2015. https://rke.abertay.ac.uk/en/studentTheses/5b60a500-c3fc-4a79-9028-d7909e01b78c.

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Current Ambient Intelligence and Intelligent Environment research focuses on the interpretation of a subject’s behaviour at the activity level by logging the Activity of Daily Living (ADL) such as eating, cooking, etc. In general, the sensors employed (e.g. PIR sensors, contact sensors) provide low resolution information. Meanwhile, the expansion of ubiquitous computing allows researchers to gather additional information from different types of sensor which is possible to improve activity analysis. Based on the previous research about sitting posture detection, this research attempts to furthe

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8

Durango, Melisa de Jesus Barrera. "SIRAH : sistema de reconhecimento de atividades humanas e avaliação do equilibrio postural /." Ilha Solteira, 2017. http://hdl.handle.net/11449/151317.

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Orientador: Alexandre César Rodrigues da Silva<br>Resumo: O reconhecimento de atividades humanas abrange diversas técnicas de classificação que permitem identificar padrões específicos do comportamento humano no momento da ocorrência. A identificação é realizada analisando dados gerados por diversos sensores corporais, entre os quais destaca-se o acelerômetro, pois responde tanto à frequência como à intensidade dos movimentos. A identificação de atividades é uma área bastante explorada. Porém, existem desafios que necessitam ser superados, podendo-se mencionar a necessidade de sistemas leves,

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9

Mühlhan, Markus, Michael Marxen, Julia Landsiedel, Hagen Malberg, and Sebastian Zaunseder. "The effect of body posture on cognitive performance: a question of sleep quality." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-147476.

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Nearly all functional magnetic resonance imaging (fMRI) studies are conducted in the supine body posture, which has been discussed as a potential confounder of such examinations. The literature suggests that cognitive functions, such as problem solving or perception, differ between supine and upright postures. However, the effect of posture on many cognitive functions is still unknown. Therefore, the aim of the present study was to investigate the effects of body posture (supine vs. sitting) on one of the most frequently used paradigms in the cognitive sciences: the N-back working memory parad

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10

Boughnim, Nabil. "Traitement du signal pour la reconnaissance de gestes et application à une interface homme machine sans contact." Ecole centrale de Marseille, 2013. http://www.theses.fr/2013ECDM0004.

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11

Oliveira, Tatiana de Paula. "Efeitos do treino de equilíbrio com realidade virtual sobre estrutura e função, atividade e participação de pessoas com sequelas crônicas de AVC: um ensaio clínico randomizado." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/5/5170/tde-07122018-091432/.

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INTRODUÇÃO: O Acidente Vascular Cerebral (AVC) causa alterações sensóriomotoras que levam a problemas do equilíbrio e limitações funcionais. Apesar dos avanços na reabilitação, muitos sujeitos não recuperam a independência nas atividades de vida diária, diminuindo sua qualidade de vida. Assim, a busca de estratégias eficazes para melhora da função motora e do equilíbrio é meta constante na fisioterapia. A realidade virtual (RV) tem sido proposta como uma nova ferramenta terapêutica para a reabilitação motora em pessoas com AVC, no entanto, seus efeitos sobre a função motora, atividade e partic

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12

Alpoim, Luís Filipe Beites. "Study and application of computational techniques to identify anatomical back postures." Master's thesis, 2019. http://hdl.handle.net/1822/72194.

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Dissertação de mestrado m Biomedical Engineering<br>Currently, the incidence of occupational diseases has been increasing, both in administrative and in production posts, being the musculoskeletal diseases, one of the most common and affect, mainly, the spine. Considering the above-mentioned problem, it is important to develop strategies that enable the recognition and prediction of postures performed by workers in their workplaces. To this end, this thesis proposes a pipeline that aims to build a Machine Learning model that may be capable of recognizing, in real time, the upper body posture

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13

Wang, Chong-Hao, and 王崇豪. "Application of classification methods to sitting posture recognition for intelligent chair." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/b8bm37.

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碩士<br>國立臺灣科技大學<br>工業管理系<br>107<br>In daily life, sitting position occupies most of people’s activity time. In recent years, health has become more and more important to us. Some studies have shown that some diseases are influenced by long-term sedentary. The reason is that long-term sedentary will lead to variety of sitting postures. Some sitting postures will affect the health of the body. Therefore, using intelligent chair with sensors to monitor your siting posture by classification model is a very effective way. Thus, this study will use intelligent chair to collect sitting data. For the a

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14

Lin, Yeh-Ming, and 林業洺. "Deep Convolutional Fuzzy Neural Network and Its Application to Posture Classification." Thesis, 2019. http://ndltd.ncl.edu.tw/cgi-bin/gs32/gsweb.cgi/login?o=dnclcdr&s=id=%22107NCHU5441093%22.&searchmode=basic.

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碩士<br>國立中興大學<br>電機工程學系所<br>107<br>This thesis proposes the combination of a deep convolutional neural network (CNN) with a fuzzy neural network classifier (FNNC) to classify four human postures, including standing, bending, sitting, and lying. The proposed image-based classification system consists of three parts, including human body segmentation from the images captured from left and right cameras, feature extraction through a deep CNN,and posture classification using the FNNC. A new region-dependent Gaussian mixture model with shadow removal (RGMM-SR) method is applied to segment human bodi

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15

Huang, Pei-Chung, and 黃培忠. "A Behavior Analysis System Using Human Silhouette Features and Static Posture Classification." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/02170160128046564070.

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碩士<br>中原大學<br>資訊工程研究所<br>96<br>With the advance of technology, the surveillance system has been widely used in many environments. Computer vision and multimedia techniques make feasible the development of new and “smart” surveillance systems that are different from traditional systems with only the recording function. In recent research, the surveillance system has been designed to automatically detect the location of human in video and to analyze the human behavior. In this paper, the objective is to identify and track the location of human, to match various static posture states in human beh

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16

Lee, Yi-Fang, and 李沂芳. "A Posture-Classification-Based Estimation System for Energy Expenditure of Physical Activities Captured by Depth Cameras." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/f76979.

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碩士<br>國立臺灣科技大學<br>資訊工程系<br>107<br>The energy expenditure of different physical activities can help people make proper exercise planning. In this thesis, we develop an estimation system for energy expenditure of physical activities captured by depth cameras. In this system, users need not wear any devices while doing the workouts. The system can first classify the postures of standing, walking, and running, then estimate energy expenditure based on different physical activities postures. In this study, 21 subjects were recruited to participate in energy expenditure experiments in physical activ

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17

Kim, Daekyoo. "Gait stability and adaptation in young adults with different BMI classifications." Thesis, 2020. https://hdl.handle.net/2144/41419.

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Our walking patterns must be adjusted continuously in everyday living, whether for maneuvering on slippery surfaces or stepping over cracks on the street. Walking becomes more challenging as it requires more energy to lift and accelerate the body due to additional loads on the body as we move through space. This dissertation investigates gait, stability, and adaptation in adults with range of adiposity. First, we studied how people with obesity adapt to spatial (obstacle crossing) and temporal (metronome walking) task constraints during walking over-ground. Results indicated that people priori

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18

Hinse, Sébastien D. "Estimation des facteurs de risque de la progression de la scoliose idiopathique de l’adolescence." Thèse, 2009. http://hdl.handle.net/1866/3557.

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Cette étude a pour but de tester si l’ajout de variables biomécaniques, telles que celles associées à la morphologie, la posture et l’équilibre, permet d’améliorer l’efficacité à dissocier 29 sujets ayant une scoliose progressive de 45 sujets ayant une scoliose non progressive. Dans une étude rétrospective, un groupe d’apprentissage (Cobb: 27,1±10,6°) a été utilisé avec cinq modèles faisant intervenir des variables cliniques, morphologiques, posturales et d’équilibre et la progression de la scoliose. Un groupe test (Cobb: 14,2±8,3°) a ensuite servit à évaluer les modèles dans une étude prospec

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19

Campagnolo, João Henrique Fróis Lameiras. "Unsupervised behavioral classification with 3D pose data from tethered Drosophila melanogaster." Master's thesis, 2020. http://hdl.handle.net/10451/48345.

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Tese de mestrado integrado em Engenharia Biomédica e Biofísica (Biofísica Médica e Fisiologia de Sistemas), Universidade de Lisboa, Faculdade de Ciências, 2020<br>O comportamento animal e guiado por instruções geneticamente codificadas, com contribuições do meio envolvente e experiências antecedentes. O mesmo pode ser considerado como o derradeiro output da atividade neuronal, pelo que o estudo do comportamento animal constitui um meio de compreensão dos mecanismos subjacentes ao funcionamento do cérebro animal. Para desvendar a correspondência entre cérebro e comportamento são necessárias fer

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20

Schwertner, Debora Soccal. "Lombalgias em jovens: análise dos fatores de risco associados e estratégias de avaliação." Doctoral thesis, 2017. http://hdl.handle.net/10400.5/15042.

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Objetivos: Determinar a prevalência de lombalgia em jovens e a presença de potenciais fatores associados. Face às limitações dos instrumentos encontrados na literatura, pretendeu-se ainda realizar a adaptação de um questionário de lombalgia, a construção de um questionário de hábitos posturais, de um sistema de avaliação postural, e de uma proposta de classificação para os padrões posturais; bem como realizar a validação destes instrumentos. Metodologia: Participaram 679 jovens com idade dos 14-19 anos (média de 16.23 ±0.90 anos) de Florianópolis/Brasil, que responderam aos questionário

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21

Muhammad, Zakir Hossain. "High resolution ultrasonic monitoring of muscle dynamics and novel approach to modelling." Doctoral thesis, 2005. https://ul.qucosa.de/id/qucosa%3A11817.

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The presented work is concerned with the development and application of an ultrasonic detection scheme suitable for the monitoring of muscle dynamics with high temporal - down to 5 µs - and spatial resolution - down to 0.78 µm. A differential detection scheme has been developed to monitor the variations of the velocity of longitudinal polarized ultrasound waves travelling in contracting and relaxing muscle, compensating for variations of the path length by referencing to a frame. The observed time dependent variations of the time-of-flight of the ultrasonic waves caused by variations in the mu

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