Dissertations / Theses on the topic 'Gestes de pointage'
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Roustan, Benjamin. "Etude de la coordination gestes manuels/parole dans le cadre de la désignation." Phd thesis, Université de Grenoble, 2012. http://tel.archives-ouvertes.fr/tel-00759199.
Full textLepelley, Marie-Charlotte. "Production du geste dans l’espace tridimensionnel : du mouvement dansé au guidage tactile du geste de pointage." Caen, 2008. http://www.theses.fr/2008CAEN2006.
Full textThe main goal of our study is to gain an insight into the motor control in 3-dimensional space. As a first step, the coordinative structure of a complex body movement performed by skilled ballet dancers is studied. As a second step, we have tested the possibility of using tactile information for motion guidance via an electro-tactile-stimulator. In the first study, a kinematic analysis was combined with an other analysis of the activity of multiple skeletal muscles. The result is consistent with the hypothesis that movements of the body result from centrally induced changes in the muscle recruitment thresholds influencing the referent configuration of the body. The second study allows to validate our prototype of electro-tactile stimulator for motion guidance. The long term perspectives of this work is to relate dancing and new technologies
Ben, Chikha Houssem. "Impact des gestes de pointage et du regard de l’entraîneur sur la mémorisation d'une scène tactique de basket-ball : Études oculométriques." Electronic Thesis or Diss., Valenciennes, Université Polytechnique Hauts-de-France, 2023. https://ged.uphf.fr/nuxeo/site/esupversions/62b8d414-a45c-4a04-8f10-da43ab0dc578.
Full textPointing gestures and guided gaze are commonly used as bodily cues to enhance visual attention and comprehension in various academic domains. However, their specific effectiveness in the sports context, particularly in teaching basketball tactical patterns, remains relatively unexplored. Therefore, the central objective of this thesis was to examine the impact of pointing gestures and/or guided gaze by the coach on visual attention and memorization of tactical scenes. The key findings revealed significant interactions between the use of these cues and the players' level of expertise, demonstrating an expertise reversal effect. In most experiments conducted, pedagogical methods that were effective for novice players proved to be ineffective or even detrimental for expert players. Consequently, these results emphasize the importance of adapting the use of pointing gestures and guided gaze to accommodate variations in players' expertise level when presenting training materials for basketball game plans and/or phases
Hoffmann, Gilles. "Adaptation de la planification et de la coordination de gestes de préhension et de visée chez des patients tétraplégiques C6 et C6/C7et effet d'un transfert musculo-tendineux." Paris 6, 2005. http://www.theses.fr/2005PA066212.
Full textAceituno, Jonathan. "Direct and expressive interaction on the desktop : increasing granularity, extent, and dimensionality." Thesis, Lille 1, 2015. http://www.theses.fr/2015LIL10089/document.
Full textDesktop and laptop personal computers enable knowledge work and creative activities by supporting direct and expressive interaction. But the feeling of directness often disappears when users perform complex actions: expressiveness is ensured at the cost of spatiotemporal separation, cognitive load, or complex operation sequences. This thesis proposes to solve this problem by harnessing the unexploited capabilities of standard input devices and familiar actions performed on them. We investigate how this enables direct increases of the granularity, extent, and dimensionality of user actions. First, we show that the granularity of pointer movements can be increased a hundredfold without impeding normal behavior if pointing transfer functions include device characteristics, user capabilities, and the manipulated data model, thus allowing subpixel interaction. This is limited by the useful resolution, the smallest displacement a user can produce using a pointing device, for which we propose an experimental protocol.Second, we study the design space of a widely used technique, edge-scrolling, that extends dragging actions past a viewport edge by scrolling. We reverse engineer 33 existing implementations, and highlight usability problems through a survey and experiments. We also propose push-edge and slide-edge scrolling, two position control techniques that provide performance comparable to rate control without the shortcomings. Third, we describe three ways of using a standard laptop as a musical instrument, allowing simultaneous multiparametric control of sound synthesis in real time, together with design considerations and examples of successful uses
Fernandez, Laure. "Organisation d'un geste de pointage de précision : Le couplage information-mouvement." Aix-Marseille 2, 2004. http://www.theses.fr/2004AIX22090.
Full textDelamare, William. "Interaction à distance en environnement physique augmenté." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAM032/document.
Full textWe explore interaction with augmented physical objects within physical environments. Augmented physical objects allow new ways of interaction, including distant interaction. However, the physical world has specificities making difficult the adaptation of interaction techniques already existing in virtual environments. These specificities need to be identified in order to design efficient and enjoyable interaction techniques dedicated to augmented physical environments. In our work, we split up distant interaction into two complementary stages: the selection and the control of augmented physical objects. For each of these stages, our contribution is two-fold. These contributions are both theoretical, with the establishment of design spaces, and practical, with the design, the implementation and the experimental evaluation of interaction techniques:- For the selection stage, we study the disambiguation potentially needed after a distal pointing gesture using a volume selection such as an infrared remote controller. Indeed, although the volume selection can facilitate the aiming action, several objects can fall into the selected volume. Thus, users should disambiguate this coarse pointing selection. We define and use a design space in order to design and experimentally evaluate two disambiguation techniques that maintain the user's focus on the physical objects.- For the control stage, we study the guidance of 3D hand gestures in order to trigger commands at a distance. Such guidance is essential in order to reveal available commands and the associated gestures. We define a design space capturing specificities of a wide range of guiding systems. We also provide an online tool, easing the use of such a large design space. We then explore the impact of several design options on the quality of 3D gestures guidance
Gonseth, Chloé. "Multimodalité de la communication langagière humaine : interaction geste/parole et encodage de distance dans le pointage." Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-00949090.
Full textGonseth, Chloe. "Multimodalité de la communication langagière humaine : interaction geste/parole et encodage de distance dans le pointage." Thesis, Grenoble, 2013. http://www.theses.fr/2013GRENS011/document.
Full textDesignating an object for the benefit of another person is one of the most basic processes inlinguistic communication. It is most of the time performed through the combined use of vocaland manual productions. The goal of this work is to understand and characterize the interactionsbetween speech and manual gesture during pointing tasks, in order to determine howmuch linguistic information is carried by each of these two systems, and eventually to test themain models of speech and gesture production.The first part of the study is about the production of vocal and manual pointing. The originalaspect of this work is to look for distance encoding parameters in the lexical, acoustic,articulatory and kinematic properties of multimodal pointing, and to show that these differentcharacteristics can be related with each other, and underlain by a similar basic motor behaviour: designating a distant object induces larger gestures, be they vocal or manual. This motorpattern can be related with the phonological pattern that is used for distance encoding in theworld’s languages. The experimental design that is used in this study contrasts bimodal vs. vocalmonomodal vs. monomodal manual pointings, and a comparison between these conditionsreveals that the vocal and manual modalities act in bidirectional cooperation for deixis, sharingthe informational load when used together.The second part of the study explores the development of multimodal pointing. The propertiesof multimodal pointing are assessed in 6-12 year-old children, in an experimental task similarto that of the adults. This second experiment attests a progressive evolution of speech/gestureinteractions in the development of spatial deixis. It reveals that distance is preferentially encodedin manual gestures in children, rather than in vocal gestures (and especially so in youngerchildren). It also shows that the cooperative use of speech and manual gesture in deixis is alreadyat play in children, though with more influence of gesture on speech than the reversedpattern.The third part of the study looks at sensorimotor interactions in the perception of spatial deixis.This experimental study, based on an intermodal priming paradigm, reveals that manual gestureplays a role in the production/perception mechanism associated with the semantic processingof language. These results can be related with those of studies on the sensorimotor nature ofrepresentations in the processing of linguistic sound units.Altogether, these studies provide strong evidence for an integrated representation of speech andmanual gestures in the human linguistic brain, even at a relatively early age in its development.They also show that distance encoding is a robust feature, which is also present in all aspectsof multimodal pointing
Bernardin, Delphine. "Contribution du tenseur d'inertie à la perception et au contrôle de l'orientation d'un geste pluri-articulé de pointage." Paris 11, 2005. http://www.theses.fr/2005PA112305.
Full textSeveral studies (Pagano et al. , 1995; 1996; Garrett et al. , 1998) suggest that the kinaesthetic control of our members' direction is based on the exploitation of the geometrical properties of the masses distribution, i. E. The eigenvector (e3) of the inertia tensor (Iij). This work aims to examine whether this collective variable, summarizing the masses direction of a multi-jointed limb, is exploited in the kinaesthetic control of the pointing movement. The experimentations indicate that the end pointing performances of the hand vary with the predicted orientation of e3. However, the existence of an inter-individual variability reveals two types of behaviours: one corresponding to an exploitation of e3, the other to a compensation of the alteration of the mass distribution. The existence of various behaviours, including an exploitation of the e3 eigenvector, is also observed in the kinematics features of the movement. Nevertheless, these reports are observed only for a maximum arm's momentum gravity. In addition, a model of optimization is developed in order to simulate a trajectory for which resistances to accelerations of rotations are minimized. The results indicate the existence of different strategies when the movements are subjected to significant loads, of which of one of them conforms to the model of exploitation of minimum inertia resistance trajectory. This study reveals that the eigenvector is exploited according to the constraints of the task and the perceptual profile of individuals, in order to perceive and control either the end position, or the trajectory of pointing, or in the purpose to minimize resistances to inertias
Casiez, Géry. "Du mouvement à l'interaction et au geste : études, techniques, outils et périphériques." Habilitation à diriger des recherches, Université des Sciences et Technologie de Lille - Lille I, 2012. http://tel.archives-ouvertes.fr/tel-00759023.
Full textDeblonde, Jean-Philippe. "Exploitation de la dynamique du geste en IHM. Application aux fonctions de transfert pour le pointage et l'extraction d'évènements discrets." Phd thesis, Université des Sciences et Technologie de Lille - Lille I, 2012. http://tel.archives-ouvertes.fr/tel-00759026.
Full textDeblonde, Jean-Philippe. "Exploitation de la dynamique du geste en IHM : application aux fonctions de transfert pour le pointage et l'extraction d'événements discrets." Thesis, Lille 1, 2012. http://www.theses.fr/2012LIL10189.
Full textThe dynamic of the gesture is not used a lot in the domain of human-computer interaction,while it can help to define some simple heuristics to analyze the intents of users.Its first use is related to transfer functions for isotonic devices. Those functions establisha relationship between the gesture of the user, executed in motor space with the pointingdevice (i.e. a mouse), and the movement of the pointer in the visual space. The transferfunctions used by modern operating systems are still not well known, even if somestudies have shown they have an impact on user’s performance. To characterize thosefunctions, we have developed an electronic device which simulates a real mouse, and thatcan retrieve the transfer functions of any system. We have then exposed the functions ofthe Windows, Linux and Mac systems, and we observed some visible differences betweenthose functions. We have then tried to optimize those functions by reducing their numberof degrees of freedom. By varying those parameters in an exhaustive way, we have thenobserved some significant differences that show there is a family of functions for whichperformances are optimal. Finally, we were interested in the use of the dynamic of thegesture in another context : the generation of discrete events, useful when dealing withcontact-less interfaces, like the Kinect. We have shown that it is possible to distinguishbetween picking and drag’n’drop in a 3D interaction task. The technique is then improvedin the case of small size targets, and its application in a 2D interaction context isevaluated
Germain, Robitaille Mathieu. "Effets des contraintes de précision et de la nature d'un pointage sur la coordination entre la tête et la main." Thesis, Université Laval, 2012. http://www.theses.ulaval.ca/2012/29520/29520.pdf.
Full textVisually corrected movements involving head and hand movements require a temporal coordination between both effectors. The present work observes this coordination during discrete and reciprocal pointings with various accuracy requirements (ID). The kinematics of the two segments and the coordination between them was examined. Results show a modification of head movements in function of the accuracy requirements (ID) during reciprocal pointings which was not the case during discrete pointings. Since hand movements followed Fitts’ law during both types of pointings, the coordination pattern adapted to both the accuracy constraints and the nature of the executed movement. These results suggest observations made during discrete pointings should not be transferred de facto to reciprocal movements.
Berrigan, Félix. "Obésité et stabilité posturale : impact sur la relation vitesse-précision d'un mouvement de pointage." Thesis, Université Laval, 2008. http://www.theses.ulaval.ca/2008/25082/25082.pdf.
Full textMackrous, Isabelle. "Rôle de la vision pour le contrôle de la dynamique du mouvement lors d'un geste de pointage manuel chez l'adulte ainsi que chez l'enfant." Thèse, 2009. http://hdl.handle.net/1866/6473.
Full textBerrigan, Félix. "Obésité et stabilité posturale : impact sur la relation vitesse-précision d'un mouvement de pointage /." 2008. http://www.theses.ulaval.ca/2008/25082/25082.pdf.
Full textDarmon, Céline. "Réactivité visuo-manuelle, Contrôle du geste et Expertise sensorimotrice: étude en IRM fonctionnelle événementielle." Phd thesis, 2006. http://tel.archives-ouvertes.fr/tel-00112330.
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