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Semantic representation and correspondence for state-based motion transition

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2 Author(s)
Ashraf, G. ; Sch. of Comput. Eng., Nanyang Technol. Univ., Singapore ; Kok Cheong Wong

Consistent transition algorithms preserve salient source motion features by establishing feature-based correspondence between motions and accordingly warping them before interpolation. These processes are commonly dubbed as preprocessing in motion transition literature. Current transition methods suffer from a lack of economical and generic preprocessing algorithms. Classical computer vision methods for human motion classification and correspondence are too computationally intensive for computer animation. The paper proposes an analytical framework that combines low-level kinematics analysis and high-level knowledge-based analysis to create states that provide coherent snapshots of body-parts active during the motion. These states are then corresponded via a globally optimal search tree algorithm. The framework proposed here is intuitive, controllable, and delivers results in near realtime. The validity and performance of the proposed system are tangibly proven with extensive experiments.

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Visualization and Computer Graphics, IEEE Transactions on  (Volume:9 ,  Issue: 4 )