Literatura académica sobre el tema "Modèle d'attention"
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Artículos de revistas sobre el tema "Modèle d'attention"
Perreira Da Silva, Matthieu y Vincent Courboulay. "Implémentation et évaluation d’un modèle d'attention pour la vision adaptative". Traitement du signal 28, n.º 6 (28 de diciembre de 2011): 611–41. http://dx.doi.org/10.3166/ts.28.611-641.
Texto completoMongrain, Philippe. "La prédiction des résultats électoraux au Canada : un modèle politico-économique sans sondage". Canadian Journal of Political Science 52, n.º 1 (19 de diciembre de 2018): 97–120. http://dx.doi.org/10.1017/s0008423918000860.
Texto completoLuis Davi. "Modèle de maturité de gestion pour les organisations du tiers secteur". International Journal of Science and Society 3, n.º 3 (13 de septiembre de 2021): 293–302. http://dx.doi.org/10.54783/ijsoc.v3i3.372.
Texto completoChamois, Camille. "L'archéologie du regard chez Michel Foucault". Dialogue 61, n.º 3 (diciembre de 2022): 519–52. http://dx.doi.org/10.1017/s0012217322000464.
Texto completoRoberto, Karen A. y Rosemary Blieszner. "Diverse Family Structures and the Care of Older Persons". Canadian Journal on Aging / La Revue canadienne du vieillissement 34, n.º 3 (30 de junio de 2015): 305–20. http://dx.doi.org/10.1017/s0714980815000288.
Texto completoBoujon, Christophe. "Déficit de l'attention sélective chez l'adulte âgé de plus de 60 ans. Choix d'un modèle d'attention sélective explicatif". Bulletin de psychologie 48, n.º 420 (1995): 544–48. http://dx.doi.org/10.3406/bupsy.1995.14448.
Texto completoClément, Annie y Julie Gosselin. "Comparaison des caractéristiques comportementales de l'état d'alerte spontané et de l'état libéré chez le nouveau-né à terme". Canadian Journal of Occupational Therapy 67, n.º 3 (abril de 2000): 110–19. http://dx.doi.org/10.1177/000841740006700304.
Texto completoFrazier, Leslie D. "William J. Weiner, Lisa M. Shulman, and Anthony E. Lang Parkinson's disease: A complete guide for patients and families. Baltimore, MD: Johns Hopkins University Press, 2001." Canadian Journal on Aging / La Revue canadienne du vieillissement 21, n.º 2 (2002): 317–19. http://dx.doi.org/10.1017/s0714980800001598.
Texto completoBeck, J. Gayle. "Leon A. Hyer, & Steven J. Sohnle Trauma among older people: Issues and treatment. Philadelphia, PA: Bruner-Routledge, 2001." Canadian Journal on Aging / La Revue canadienne du vieillissement 21, n.º 2 (2002): 315–16. http://dx.doi.org/10.1017/s0714980800001586.
Texto completoVerley, Patrick. "Exportations et croissance économique dans la France des années 1860". Annales. Histoire, Sciences Sociales 43, n.º 1 (febrero de 1988): 73–110. http://dx.doi.org/10.3406/ahess.1988.283476.
Texto completoTesis sobre el tema "Modèle d'attention"
Zhang, Yi. "Implantation d'un modèle d'attention en COGENT". Mémoire, Université de Sherbrooke, 2004. http://savoirs.usherbrooke.ca/handle/11143/4665.
Texto completoPerreira, Da Silva Matthieu. "Modèle computationnel d'attention pour la vision adaptative". Phd thesis, Université de La Rochelle, 2010. http://tel.archives-ouvertes.fr/tel-00573844.
Texto completoPerreira, da Silva Matthieu. "Modèle computationnel d'attention pour la vision adaptative". Thesis, La Rochelle, 2010. http://www.theses.fr/2010LAROS317/document.
Texto completoProviding real time analysis of the huge amount of data generated by computer vision algorithms in interactive applications is still an open problem. It promises great advances across a wide variety of fields : robotics, distance education, or new mouse-less and keyboard-less human computer interaction.When using scene analysis algorithms for computer vision, a trade-off must be found between the quality of the results expected, and the amount of computer resources allocated for each task. It is usually a design time decision, implemented through the choice of pre-defined algorithms and parameters. However, this way of doing limits the generality of the system. Using an adaptive vision system provides a more flexible solution as its analysis strategy can be changed according to the information available concerning the execution context. As a consequence, such a system requires some kind of guiding mechanism to explore the scene faster and more efficiently.In human, the mechanisms of evolution have generated the visual attention system which selects the most important information in order to reduce both cognitive load and scene understanding ambiguity.In this thesis, we propose a visual attention system tailored for interacting with a vision system (whose theoretical architecture is given) so that it adapts its processing according to the interest (or salience) of each element of the scene.Somewhere in between hierarchical salience based (ex: [Koch1985], then [Itti1998]) and competitive distributed (ex: [Desimone1995], then [Deco2004, Rolls2006]) models, we propose a hierarchical yet competitive and non salience based model. Our original approach allows the generation of attentional focus points without the need of neither saliency map nor explicit inhibition of return mechanism. This new real-time computational model is based on a preys / predators system. The use of this kind of dynamical system is justified by an adjustable trade-off between nondeterministic attentional behavior and properties of stability, reproducibility and reactiveness.Our experiments shows that despite the non deterministic behavior of preys / predators equations, the system exhibits interesting properties of stability, reproducibility and reactiveness while allowing a fast and efficient exploration of the scene. These properties are useful for addressing different kinds of applications, ranging from image complexity evaluation, to object detection and tracking. Finally, while it is designed for computer vision, we compare our model to human visual attention. We show that it is equally as plausible as existing models (or better, depending on its configuration)
Ho-Phuoc, Tien. "Développement et mise en œuvre de modèle d'attention visuelle". Grenoble INPG, 2010. https://tel.archives-ouvertes.fr/tel-00495365.
Texto completoTo explore the world around us, we move constantly our eyes. What factors guide eye movements? How to interpret and evaluate quantitatively them? This thesis addresses these problems in the context of free viewing of natural scenes, according two aspects: modelisation and behavioural data obtained from eye movements experiments. The proposed «bottom-up» model is inspired mainly by the biology of the human visual system and proposes to predict the salient regions (which attract the eyes). We show that although colour is often used in most models in the literature, it influences little on eye movements. It is also unveiled that programming severa 1 saccades in parallel from one fixation point is not compatible with the experimental data
Gautier, Josselin. "Un modèle d'attention visuelle dynamique pour conditions 2D et 3D ; codage de cartes de profondeur et synthèse basée inpainting pour les vidéos multi-vues". Phd thesis, Université Rennes 1, 2012. http://tel.archives-ouvertes.fr/tel-00758112.
Texto completoChaabouni, Souad. "Etude et prédiction d'attention visuelle avec les outils d'apprentissage profond en vue d'évaluation des patients atteints des maladies neuro-dégénératives". Thesis, Bordeaux, 2017. http://www.theses.fr/2017BORD0768/document.
Texto completoThis thesis is motivated by the diagnosis and the evaluation of the dementia diseasesand with the aim of predicting if a new recorded gaze presents a complaint of thesediseases. Nevertheless, large-scale population screening is only possible if robust predictionmodels can be constructed. In this context, we are interested in the design and thedevelopment of automatic prediction models for specific visual content to be used in thepsycho-visual experience involving patients with dementia (PwD). The difficulty of sucha prediction lies in a very small amount of training data.Visual saliency models cannot be founded only on bottom-up features, as suggested byfeature integration theory. The top-down component of human visual attention becomesprevalent as human observers explore the visual scene. Visual saliency can be predictedon the basis of seen data. Deep Convolutional Neural Networks (CNN) have proven tobe a powerful tool for prediction of salient areas in static images. In order to constructan automatic prediction model for the salient areas in natural and intentionally degradedvideos, we have designed a specific CNN architecture. To overcome the lack of learningdata we designed a transfer learning scheme derived from bengio’s method. We measureits performances when predicting salient regions. The obtained results are interestingregarding the reaction of normal control subjects against degraded areas in videos. Thepredicted saliency map of intentionally degraded videos gives an interesting results comparedto gaze fixation density maps and other reference models
Muddamsetty, Satya Mahesh. "Modèles d'attention visuelle pour l'analyse de scènes dynamiques". Thesis, Dijon, 2014. http://www.theses.fr/2014DIJOS067/document.
Texto completoVisual saliency is an important research topic in the field of computer vision due to its numerouspossible applications. It helps to focus on regions of interest instead of processingthe whole image or video data. Detecting visual saliency in still images has been widelyaddressed in literature with several formulations. However, visual saliency detection invideos has attracted little attention, and is a more challenging task due to additional temporalinformation. Indeed, a video contains strong spatio-temporal correlation betweenthe regions of consecutive frames, and, furthermore, motion of foreground objects dramaticallychanges the importance of the objects in a scene. The main objective of thethesis is to develop a spatio-temporal saliency method that works well for complex dynamicscenes.A spatio-temporal saliency map is usually obtained by the fusion of a static saliency mapand a dynamic saliency map. In our work, we model the dynamic textures in a dynamicscene with Local Binary Patterns (LBP-TOP) to compute the dynamic saliency map, andwe use color features to compute the static saliency map. Both saliency maps are computedusing a bio-inspired mechanism of Human Visual System (HVS) with a discriminantformulation known as center surround saliency, and are fused in a proper way.The proposed models have been extensively evaluated with diverse publicly availabledatasets which contain several videos of dynamic scenes. The evaluation is performed intwo parts. First, the method in locating interesting foreground objects in complex scene.Secondly, we evaluate our model on the task of predicting human observers fixations.The proposed method is also compared against state-of-the art methods, and the resultsshow that the proposed approach achieves competitive results.In this thesis we also evaluate the performance of different fusion techniques, because fusionplays a critical role in the accuracy of the spatio-temporal saliency map. We evaluatethe performances of different fusion techniques on a large and diverse complex datasetand the results show that a fusion method must be selected depending on the characteristics,in terms of color and motion contrasts, of a sequence. Overall, fusion techniqueswhich take the best of each saliency map (static and dynamic) in the final spatio-temporalmap achieve best results
Botterman, Hông-Lan. "Corrélations dans les graphes d'information hétérogène : prédiction et modélisation de liens à partir de méta-chemins". Electronic Thesis or Diss., Sorbonne université, 2020. http://www.theses.fr/2020SORUS083.
Texto completoMany entities, possibly of different natures, are linked by physical or virtual links, that may also be of different natures. Such data can be represented by a heterogeneous information network (HIN). In addition, there are often correlations between real-life entities or events. Once represented by suitable abstractions (such as HIN), these correlations can therefore be found in the HIN. Motivated by these considerations, this thesis investigates the effects of possible correlations between the links of an HIN on its structure. This present work aims at answering questions such as: are there indeed correlations between different types of links? If so, is it possible to quantify them? What do they mean? How can they be interpreted? Can these correlations be used to predict the occurrence of links? To model co-evolution dynamics? The examples studied can be divided into two categories. First, the use of correlations for the prediction of the links’ weight is studied. It is shown that correlations between links, and more specifically between paths, can be used to recover and, to some extent, predict the weight of other links of a specified type. Second, a link weight dynamics is considered. It is shown that link co-evolution can be used, for example, to define a model of attention between individuals and subjects. The preliminary results are in agreement with others in the literature, mainly related to models of opinion dynamics. Overall, this work illustrates the importance of correlations between the links of an HIN. In addition, it supports the general fact that different types of nodes and links abound in nature and that it could be important and instructive to take this diversity into account in order to understand the organization and functioning of a system
Martinez, Francis. "Tout est dans le regard : reconnaissance visuelle du comportement humain en vue subjective". Phd thesis, Université Pierre et Marie Curie - Paris VI, 2013. http://tel.archives-ouvertes.fr/tel-01001816.
Texto completoHillaire, Sébastien. "Contribution à l'étude des modèles d'attention visuelle et du suivi de regard pour améliorer le retour visuel dans les applications 3D interactives". Rennes, INSA, 2011. http://www.theses.fr/2011ISAR0002.
Texto completoIn virtual reality, the interaction between a human and a computer can be achieved through multiple sensory channels. The visual channel is generally used in order to provide a visual feedback to the user interacting with a virtual environment. The goal of this thesis is to improve this visual feedback by taking into account user’s visual attention in an interactive manner. The first part of this thesis is dedicated to human attention. We wanted to evaluate in real-time the gaze point of a user navigating in a 3D virtual environment using a first-person view. We have first studied human visual attention when walking in a virtual environment and have shown that there are several common behaviors when compared to a real pedestrian walk. We have then proposed a model in order to simulate this behavior. We have included this component in a novel visual attention model able to predict, in real-time, the attention of a user navigating in a virtual environment. Our evaluation has shown that our model was able to predict the users' visual attention more efficiently than existing models. Finally, we have proposed a novel use of visual attention models in order to improve the accuracy of any gaze tracking systems. Our study has shown that our approach could improve the global accuracy of these systems. In the second part of this thesis, we have researched a novel way to improve the visual feedback to the users in order to improve their immersion feelings and perception of a virtual environment. We have proposed a novel use of the gaze point in order to simulate natural visual effects present in human vision: a depth-of-field blur effect and a compensated camera motion. Our study has shown that these effects were strongly preferred by participants when they were computed based on their gaze point, in a more interactive manner
Capítulos de libros sobre el tema "Modèle d'attention"
DRIF, Ahlem, Saad Eddine SELMANI y Hocine CHERIFI. "Réseau interactif et apprentissage automatique pour les recommandations". En Optimisation et apprentissage, 123–51. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9071.ch5.
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