Interaction basée sur des gestes définis par l’utilisateur : Application à la réalité virtuelle

Abstract : In this thesis, we propose and evaluate new gestural interfaces for 3DUI. This work is motivated by two application cases: the first one is dedicated to people with limited sensory-motor abilities for whom generic interaction methods may not be adapted. The second one is artistic digital performances, for which gesture freedom is part of the creative process. For those cases, a standardized approach is not possible and thus user-specific or dedicated interfaces are needed. We propose a user-defined gestural interaction that allows the user to make the system learn the gestures that he has created, in a specific phase, prior to using the system. Then, the user reuses his created gestures to interact in the virtual environment. This approach raises research questions about memorization of gestures, effects of fatigue and effects of visual feedbacks. To answer those questions, we study the memorization of user created gestures regarding the role of affordances and colocalization on gesture recall. Then, we study the role of different visual feedbacks on gesture repetitions for a set of manipulation tasks. We also compare full-collocated gestures to loose gestures with lower amplitude. Also, the approach has been designed to be affordable using low-cost devices. We explore solutions to deal with the lower data quality of such devices. The results of the user-studies are based on the analysis of six thousand gestures performed by forty subjects.
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Jean-François Jego. Interaction basée sur des gestes définis par l’utilisateur : Application à la réalité virtuelle. Autre [cs.OH]. Ecole Nationale Supérieure des Mines de Paris, 2013. Français. ⟨NNT : 2013ENMP0033⟩. ⟨pastel-00944726⟩

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