SIGGRAPH '95 Proceedings of the 22nd annual conference on Computer graphics and interactive techniques
A New Version of Rough Set Exploration System
TSCTC '02 Proceedings of the Third International Conference on Rough Sets and Current Trends in Computing
Efficient synthesis of physically valid human motion
ACM SIGGRAPH 2003 Papers
Motion sketching for control of rigid-body simulations
ACM Transactions on Graphics (TOG)
Performance timing for keyframe animation
SCA '04 Proceedings of the 2004 ACM SIGGRAPH/Eurographics symposium on Computer animation
Rough set-based application to recognition of emotionally-charged animated character's gestures
Transactions on Rough Sets V
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Computer-animated sequences of emotionally-charged gesticulation are prepared using keyframe animation method. This method consists in creating an animation by changing the properties of objects at key moments over a time sequence. Such a sequence is analyzed in terms of locations and spacing of the keyframes, shapes of interpolation curves, and emotional features present in them. In the paper the keyframe method serves for creating animated objects characterized by differentiating emotions. On the basis of the analysis of these computer-animated sequences several parameters are derived. Then decision tables are created containing feature vectors describing emotions related to each object at key moments. This system serves for derivation of rules related to various categories of emotions. Rules are analyzed, and significant parameters are discovered. Conclusions and future experiments are also outlined.