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VR systems need more and more sensors to provide the most efficient 3D interaction in the virtual world. With the multiplication of sensors in these systems, new constraints emerged, especially how to process the huge amount of incoming data and how to estimate a correct interpretation from it. However data processing is often a complex approach. I...
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One of the most important aspect when designing a VR application is to preserve the 3D interaction continuity. In order to respect this point, during the last years, VR systems need more and more sensors to provide the most efficient 3D interaction in the virtual world. But, with the multiplication of sensors in these systems, new constraints has e...
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... Cette problématique est traitée en collaboration avec l'équipe TADIB 4 du laboratoire IBISC. Une première approche aété proposée dans la thèse de Pierre Boudoin en proposant un système d'interaction adaptatif (Boudoin et al., 2009) avec une technique d'interaction "FlyOver" (Boudoin et al., 2008). La technique proposée permet de maintenir une même logique d'utilisation quelque soit le périphérique utilisé et quelque soit la tâche de l'interaction 3Dà effectuer. ...
This document presents a summary of my research during the last decade. All these works have one common objective: Assistance with two issues: Interaction and collaboration to use or simulate complex systems. These complex systems can be either artificial or derived from life science. Two research areas have been studied: the Mixed Reality (MR) and Computer Supported Collaborative Work (CSCW). In the field of MR, the research focused on assistance to the interaction in 3D environments. These environments can be real-augmented or virtual, using or simulating complex systems. These systems may be artificial (as in human-robot interaction based on augmented reality) or derived from life science (such as human-molecule-interaction based on virtual reality). In the field of CSCW, the research focuses on assistance to the collaboration of users. These users can be either in telework situation with artificial complex systems (the case of robots teleoperation in mixed reality) or in a work situation with common virtual environments (completely simulated by computer). In the 3D interaction context, a particular consideration has been given to the way users interactions can be helped (navigation, selection, manipulation and system control) in an effective and credible way with their environment. This idea has led us to suggest models and software techniques in order to assist 3D interaction in mixed reality. In the collaboration context, special attention is given to how we can structure, organize, manage and assist a collaborative activity. This allowed us to create formalisms and models to assist a collaborative activity (communication, coordination and production). All these researches in both areas (MR and CSCW) have encouraged the emergence of a new issue: collaborative interaction in mixed reality. Indeed, studying groupwares gives the basic concepts required in a collaboration system, whereas studying 3D interactions in mixed reality offers metaphors / techniques and sensorimotor interfaces (auditory, visual and haptic) in order to improve the feeling of immersion. This interdisciplinary study (interactions in MR & collaboration in terms of CSCW) is very interesting because of their interdependencies. Indeed, collaborating implies interacting altogether, and interacting altogether implies collaborating. Therefore, our research approach is to take advantage efficiently of the scientific and technological advances in both of the research areas. So that new models to design systems supporting collaborative interaction in mixed reality can be created.
