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Self adaptive animation based on user perspective

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Published in The visual computer. 2008, vol. 24, no. 7-9, p. 525-533
Collection Open Access - Licence nationale Springer 
Abstract In this paper we present a new character animation technique in which the animation adapts itself based on the change in the user's perspective, so that when the user moves and their point of viewing the animation changes, then the character animation adapts itself in response to that change. The resulting animation, generated in real-time, is a blend of key animations provided a priori by the animator. The blending is done with the help of efficient dual-quaternion transformation blending. The user's point of view is tracked using either computer vision techniques or a simple user-controlled input modality, such as mouse-based input. This tracked point of view is then used to suitably select the blend of animations. We show a way to author and use such animations in both virtual as well as augmented reality scenarios and demonstrate that it significantly heightens the sense of presence for the users when they interact with such self adaptive animations of virtual characters.
Keywords Self adaptive character animationAnimation blendingAugmented and virtual reality
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Research group MIRALab
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CHAUDHURI, Parag Kumar, PAPAGIANNAKIS, Georgios, MAGNENAT THALMANN, Nadia. Self adaptive animation based on user perspective. In: The Visual Computer, 2008, vol. 24, n° 7-9, p. 525-533. doi: 10.1007/s00371-008-0233-0 https://archive-ouverte.unige.ch/unige:112979

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Deposited on : 2019-01-16

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