Дисертації з теми "Prédiction de l'intention humaine"
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Guda, Vamsi Krishna. "Contributions à l'utilisation de cobots comme interfaces haptiques à contact intermittent en réalité virtuelle." Thesis, Ecole centrale de Nantes, 2022. http://www.theses.fr/2022ECDN0033.
Повний текст джерелаVirtual reality (VR) is evolving and being used in industrial simulations but the possibility to touch objects is missing, for example to judge the perceived quality in the design of a car. The current haptic interfaces do not allow to easily restore the notion of texture, therefore an approach is considered “intermittent contact interface” to achieve this. A cobot positions a mobile surface at the point of contact with a virtual object to allow physical contact with the operator's hand. The contributions of this thesis concern several aspects: the placement of the robot, the modeling of the operator, the management of the displacement and the speed of the robot and the detection of the operator's intentions. The placement of the robot is chosen to allow reaching the different working areas and to ensure passive safety by making it impossible for the robot to hit the head and chest of the operator in a normal working position, i.e. sitting in a chair. A model of the user, including a torso and arms, is designed and tested to follow the user's movements in real time Interaction is possible on a set of predefined poses that the user chains together as desired. Different strategies are proposed to predict the user's intentions. The key aspects of the prediction are based on the gaze direction and the hand position of the user. An experimental study as well as the resulting analysis show the contribution of taking into account the gaze direction. The interest of introducing "safety" points to move the robot away from the operator and allow fast robot movements is highlighted
Cloutier, Claude. "Prédiction de l'intention créative à l'aide du modèle du comportement planifié d'Ajzen." Thèse, Université du Québec à Trois-Rivières, 1996. http://depot-e.uqtr.ca/4753/1/000628891.pdf.
Повний текст джерелаZhang, Zhicheng. "Fiabilité humaine : prédiction des violations par réseaux de neurones et application aux systèmes de transport." Valenciennes, 2004. http://ged.univ-valenciennes.fr/nuxeo/site/esupversions/746fe5df-00d2-4602-9183-b61fe5b941b1.
Повний текст джерелаThis thesis contributes to the analysis and the prediction by the neuron networks, taking into account uncertainty, of the deviated intentional behaviours of human operators in the Human-machine systems. This type of behaviours is a particular violation called Barrier Removal (BR). The objective of our work is to propose a predictive approach of the BR by considering a multi-reference, multi-factor and multi-criteria based evaluation. A series of models of prediction of BR, USOM, SSOM and HSOM are defined in order to anticipate or to predict with the retained criteria a removal of a given barrier on the given system by considering, on the one hand a network by criterion of performance, and on the other hand, a network taking into account several criteria. Uncertainty on subjective human judgements is integrated in the prediction of BR. Since BR can be erroneous, a model of Correct Barrier Removal and of Erroneous Barrier Removal is then developed by integrating the subjective judgements and the objective data. We then validate the proposed methods and models by two applications, one of which is implemented within the framework of a European project UGTMS. Finally, we propose some research perspectives
Guindon, Bertrand L. "La fin des fréquentations avec violence chez les étudiantes universitaires : la prédiction de la rupture à partir de l'intention et de ses déterminants." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape10/PQDD_0016/NQ46522.pdf.
Повний текст джерелаBoucher, Karine. "Prédiction de l'intention de se trouver un emploi chez les finissants et finissantes en ingénierie à l'aide de facteurs subjectifs inhérents à la personne." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0031/MQ26549.pdf.
Повний текст джерелаMessou, Kouassi Eugène. "Traitement antirétroviral de l'adulte infecté par le virus de l'immunodéficience humaine en Côte d'Ivoire : modification précoce et prédiction de l'échec." Bordeaux 2, 2008. http://www.theses.fr/2008BOR21584.
Повний текст джерелаIn sub-Saharan Africa, 2 milliion adults have already started antiretroviral treatment (ART). However, the number of patients needing urgent treatment or likely to need it in the future is estimated to be 3 times and 10 times higher, respectively. Clinical research must back up this historical challenge, identify the issues that ART in resource-limited settings specifically raises, and help innovate. Over the past 10 years, several pilot initiatives and then many large programs of access to care and treatment have brought about data on the early phase of ART in sub-Saharan Africa, ie the time just before ART initiation and the first year on ART. During this early phase : the rate of loss to follow-up is still too high, but the rate of treatment failure in patients who remain in care is low ; the spectrum of early morbidity on ART is similar to that off ART, though with IRIS being a specific additional issue to deal with during the first months of treatment ; and treatment regimen modification is mainly related to toxicity, though tuberculosis and pregnancy also frequently lead to nevirapine and efavirenz discontinuation. From the end of the first year of ART, virological failure emerges as a challenging issue in settings where plasma viral load cannot be measured. The CD4 count and the body mass index evolution at 6 months and 12 months are not predictive enough to become surrogates for virological outcomes. However, they are strongly associated with early viral load suppression, and further studies should assess whether they might become useful tools for helping decide when to switch to second-line regimen over a longer period of time
Cumin, Julien. "Reconnaissance et prédiction d'activités dans la maison connectée." Thesis, Université Grenoble Alpes (ComUE), 2018. http://www.theses.fr/2018GREAM071/document.
Повний текст джерелаUnderstanding the context of a home is essential in order to provide services to occupants that fit their situations and thus fulfil their needs. One example of service that such a context-aware smart home could provide is that of a communication assistant, which can for example advise correspondents outside the home on the availability for communication of occupants. In order to implement such a service, it is indeed required that the home understands the situations of occupants, in order to derive their availability.In this thesis, we first propose a definition of context in homes. We argue that one of the primary context dimensions necessary for a system to be context-aware is the activity of occupants. As such, we then study the problem of recognizing activities, from ambient smart home sensors. We propose a new supervised place-based approach which both improves activity recognition accuracy as well as computing times compared to standard approaches.Smart home services, such as our communication assistance example, may often need to anticipate future situations. In particular, they need to anticipate future activities of occupants. Therefore, we design a new supervised activity prediction model, based on previous state-of-the-art work. We propose a number of extensions to improve prediction accuracy based on the specificities of smart home environments.Finally, we study the problem of inferring the availability of occupants for communication, in order to illustrate the feasibility of our communication assistant example. We argue that availability can be inferred from primary context dimensions such as place and activity (which can be recognized or predicted using our previous contributions), and by taking into consideration the correspondent initiating the communication as well as the modality of communication used. We discuss the impact of the activity recognition step on availability inference.We evaluate those contributions on various state-of-the-art datasets, as well as on a new dataset of activities and availabilities in homes which we constructed specifically for the purposes of this thesis: Orange4Home. Through our contributions to these 3 problems, we demonstrate the way in which an example context-aware communication assistance service can be implemented, which can advise on future availability for communication of occupants. More generally, we show how secondary context dimensions such as availability can be inferred from other context dimensions, in particular from activity. Highly accurate activity recognition and prediction are thus mandatory for a smart home to achieve context awareness
Monnier, Gilles. "Simulation de mouvements humains complexes et prédiction de l'inconfort associé : application à l'évaluation ergonomique du bouclage de la ceinture de sécurité." Lyon, INSA, 2004. http://theses.insa-lyon.fr/publication/2004ISAL0050/these.pdf.
Повний текст джерелаDigital Human Models from now on enable to visualize interactions between an operator and virtual environments, and, as a result, to integrate human factors at a very early stage of design. However, the lack of realism of the generated motions, their low representativity of a population, as well as the real difficulty to create those movements limit the use of these tools into a design process. The objective of this work is therefore to propose an approach enabling a designer, not only to easily simulate complex, realist and representative human motions, but also to assess and explain the discomfort feeling. Regarding discomfort, two approaches were proposed and compared, either based on design parameters or on bio-mechanical parameters. As for motion simulation, the proposed approach is based on data, collected during experiments, as well as knowledge, gathered during motion analysis, integrated into a general framework, and used during the motion simulation process
Desmet, François-Olivier. "Bioinformatique et épissage dans les pathologies humaines." Thesis, Montpellier 1, 2010. http://www.theses.fr/2010MON1T017.
Повний текст джерелаDiscovered in 1977, splicing is a post-transcriptional maturation process that consists in link-ing exons together and removing introns from a pre-messanger RNA. For splicing to be cor-rectly undertaken by the spliceosome and its auxiliary proteins, several signals are located along the pre-messanger RNA sequence. Nearly half of pathogenous mutations in humans are now recognized to impact splicing and leading to a gene dysfunction. Therefore it is es-sential for biologists to detect those signals in any genomic sequence.Thus, the goals of this thesis were to conceive new algorithms: i) to identify splicing signals; ii) to predict the impact of mutations on these signals and iii) to give access to this information to researchers thanks to the power of bioinformatics. The proposed solution, Human Splicing Finder (HSF), is a web application able to predict all types of splicing signals hidden in any sequence extracted from the human genome. We demonstrated the prediction's efficiency of HSF for all situations associated with pathogenous mutations for which an impact on splicing has been experimentally demonstrated. Along with these direct benefits for the knowledge of biological processes for splicing and diagnosis, new genotype-specific therapeutic approaches can also benefit from these new algorithms. Thus, HSF allows to better target antisense olignucleotides used to induce exon skipping in Duchenne myopathy and dysferlinopathies.The recent recognition of the major interest of splicing in various domains such as fundamen-tal research, therapeutics and diagnosis needed a one stop shop for splicing signals. HSF has for object to fulfill this need, being regularly updated to integrate new knowledge and is already recognized as an international reference tool
Del, Bufalo Aurelia. "Effets des sensibilisants sur la synthèse de la prostaglandine E2 : Mécanismes et intérêt dans la prédiction de l'allergie de contact." Phd thesis, AgroParisTech, 2012. http://pastel.archives-ouvertes.fr/pastel-01016611.
Повний текст джерелаDermy, Oriane. "Prédiction du mouvement humain pour la robotique collaborative : du geste accompagné au mouvement corps entier." Thesis, Université de Lorraine, 2018. http://www.theses.fr/2018LORR0227/document.
Повний текст джерелаThis thesis lies at the intersection between machine learning and humanoid robotics, under the theme of human-robot interaction and within the cobotics (collaborative robotics) field. It focuses on prediction for non-verbal human-robot interactions, with an emphasis on gestural interaction. The prediction of the intention, understanding, and reproduction of gestures are therefore central topics of this thesis. First, the robots learn gestures by demonstration: a user grabs its arm and makes it perform the gestures to be learned several times. The robot must then be able to reproduce these different movements while generalizing them to adapt them to the situation. To do so, using its proprioceptive sensors, it interprets the perceived signals to understand the user's movement in order to generate similar ones later on. Second, the robot learns to recognize the intention of the human partner based on the gestures that the human initiates. The robot can then perform gestures adapted to the situation and corresponding to the user’s expectations. This requires the robot to understand the user’s gestures. To this end, different perceptual modalities have been explored. Using proprioceptive sensors, the robot feels the user’s gestures through its own body: it is then a question of physical human-robot interaction. Using visual sensors, the robot interprets the movement of the user’s head. Finally, using external sensors, the robot recognizes and predicts the user’s whole body movement. In that case, the user wears sensors (in our case, a wearable motion tracking suit by XSens) that transmit his posture to the robot. In addition, the coupling of these modalities was studied. From a methodological point of view, the learning and the recognition of time series (gestures) have been central to this thesis. In that aspect, two approaches have been developed. The first is based on the statistical modeling of movement primitives (corresponding to gestures) : ProMPs. The second adds Deep Learning to the first one, by using auto-encoders in order to model whole-body gestures containing a lot of information while allowing a prediction in soft real time. Various issues were taken into account during this thesis regarding the creation and development of our methods. These issues revolve around: the prediction of trajectory durations, the reduction of the cognitive and motor load imposed on the user, the need for speed (soft real-time) and accuracy in predictions
Chalencon, Sébastien. "Prédiction de la performance en natation par les mesures d'activité du Système Nerveux Autonome : modélisation mathématique." Phd thesis, Université Jean Monnet - Saint-Etienne, 2013. http://tel.archives-ouvertes.fr/tel-00997429.
Повний текст джерелаJayyosi, Charles. "Caractérisation mécanique et microstructurale du comportement à rupture de la capsule de Glisson pour la prédiction du risque de lésions des tissus hépatiques humains." Thesis, Lyon 1, 2015. http://www.theses.fr/2015LYO10222/document.
Повний текст джерелаCustomized human body models offer a great potential to assess the injury risks in the fields of transport safety, surgery or sport. Various detail levels can then be needed, according to the targeted application. In particular, when the mechanical behavior of biological tissues needs to be accurately reproduced, numerical models have to include information about the structure of the tissue, and model the mechanisms of the response to mechanical loading. The work presented here focuses on the microstructural and mechanical characterization of the human liver capsule, in order to identify the important hypotheses that need to be included in a fibrous tissue constitutive model, based on microstructure. Thus, an experimental methodology has been developed to identify the mechanical behavior of this particular tissue, related with its microstructural organization. Uniaxial tensile tests, as well as bulge tests under a multiphoton confocal microscope have been performed, to observe the microstructure evolution during loading. Macroscopic strain has been assessed, and a method to measure local strain fields has been developed, to quantify the strain state of the fibrous network. The reorganization of the collagen fibers network has also been quantified. An analysis of the links between the measured macroscopic parameters and the microscopic phenomena is given. Therefore, the hypotheses that need to be included in constitutive models are highlighted, with particular consideration given to the affine transformation hypothesis which allows to link the fibers behavior to the global response of the tissue
Straczek, Céline. "Epidémiologie des cardiopathies ischémiques du sujet âgé non institutionnalisé-Etude des Trois Cités." Phd thesis, Université Paris Sud - Paris XI, 2011. http://tel.archives-ouvertes.fr/tel-00670145.
Повний текст джерелаHourcade-Potelleret, Florence. "De la dose à l'effet clinique : utilisation de la modélisation dans les différentes étapes du processus de prédiction du critère clinique : Exemple avec un nouveau médicament en prévention secondaire de la morbidité-mortalité cardiovasculaire." Phd thesis, Université Jean Monnet - Saint-Etienne, 2012. http://tel.archives-ouvertes.fr/tel-00979667.
Повний текст джерелаPop, Dănuţ Ovidiu. "Multi-task cross-modality deep learning for pedestrian risk estimation Multi-task deep learning for pedestrian detection, action recognition and time to cross prediction." Thesis, Normandie, 2019. http://www.theses.fr/2019NORMIR06.
Повний текст джерелаThis PhD thesis is the result of my research work in the machine learning, image processing and intelligent transportation field for solving the problem of multi-task pedestrian protection system (PPS) including not only pedestrian classification, detection and tracking, but also pedestrian action-unit classification and prediction, and finally pedestrian risk estimation. Moreover, our PPS system uses original cross-modality deep learning approaches. The goal of our research work is to develop an intelligent pedestrian protection component-based only on single stereo vision system using an optimal cross-modality deep learning architecture in order to classify the current pedestrian action, predict their next actions and finally to estimate the pedestrian risk by the time to cross for each pedestrian. First, we investigate the classification component where we analyzed how learning representations from one modality would enable recognition for other modalities within various deep learning, which one term as cross-modality learning. Second, we study how the cross-modality learning improves an end-to-end the pedestrian action
Terti, Galateia. "Forecasting of flash-flood human impacts integrating the social vulnerability dynamics." Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAU004/document.
Повний текст джерелаIn the 21st century the prediction of and subsequent response to impacts due to sudden onset and localized flash flooding events remain a challenge for forecasters and emergency managers. Structural measures and/or advances in hydrological forecasting systems alone do not guarantee reduction of fatalities during short-fuse flood events. The literature highlights the need for the integration of additional factors related to social and behavioral vulnerability processes to better capture risk of people during flash floods. This dissertation conducts a theoretical analysis as well as an analysis of flash flood-specific historic fatalities to explain complex and dynamic interactions between hydrometeorological, spatial and social processes responsible for the occurrence of human life-threatening situations during the "event" phase of flash floods in the United States (U.S.). Individual-by-individual fatality records are examined in order to develop a classification system of circumstances (i.e., vehicle-related, outside/close to streams, campsite, permanent buildings, and mobile homes). The ultimate goal is to link human vulnerability conceptualizations with realistic forecasts of prominent human losses from flash flood hazards. Random forest, a well-known decision-tree based ensemble machine learning algorithm for classification is adopted to assess the likelihood of fatality occurrence for a given circumstance as a function of representative indicators at the county-level and daily or hourly time steps. Starting from the most prevalent circumstance of fatalities raised from both the literature review and the impact-based analysis, flash flood events with lethal vehicle-related accidents are the subject to predict. The findings confirm that human vulnerability and the subsequent risk to flash flooding, vary dynamically depending on the space-time resonance between that social and hazard dynamics. For example, it is found that younger and middle-aged people are more probable to get trapped from very fast flash floods (e.g., duration close to 5 hours) while participating in daytime outdoor activities (e.g., vehicle-related, recreational). In contrary, older people are more likely to perish from longer flooding inside buildings, and especially in twilight and darkness hours when rescue and/or evacuation operations are hindered. This reasoning places the importance of situational examination of dynamic vulnerability over generic and static conceptualizations, and guides the development of flash flood-specific modeling of vehicle-related human risk in this thesis. Based on the case study of May 2015 flash floods with a focus in Texas and Oklahoma, the model shows promising results in terms of identifying dangerous circumstances in space and time. Though, critical thresholds for the prediction of vehicle-related incidents need to be further investigated integrating local sensitivities, not yet captured by the model. The developed model can be applied on a daily or hourly basis for every U.S. county. We vision this approach as a first effort to provide a prediction system to support emergency preparedness and response to flash flood disasters over the conterminous U.S. It is recommended that the flash flood disaster science community and practitioners conduct data collection with more details for the life-threatening scene, and at finer resolutions to support modeling of local temporal and spatial complexities associated with human losses from flash flooding in the future
Doherty, Amélie. "Prédiction de l'intention à adhérer à la double thérapie antiplaquettaire suite à une angioplastie coronarienne." Thèse, 2020. http://depot-e.uqtr.ca/id/eprint/9594/1/eprint9594.pdf.
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