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Skeleton Based 3D Model Morphing Using Barycentric Map

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2 Author(s)
Kosuke Kaneko ; Grad. Sch. of Inf. Sci. & Electr. Eng., Kyushu Univ., Fukuoka ; Yoshihiro Okada

This paper proposes a skeleton based 3D model morphing system using Barycentric map. Although there have been many 3D model morphing systems, even it is still laborious to perform the 3D model morphing because it needs many manual operations. The most important task for the morphing is the vertex correspondence between two base models. When the vertex numbers and geometric topologies of two models are different, its 3D model morphing is difficult. For overcoming this problem, the proposed system automatically determines the vertex correspondence based on skeletons of two models. The overview of proposed processes is as follows: first of all, the user segments each of two models manually. Then the system generates bones of the each model based on the above segmentation. Next, the system defines the hierarchy of generated bones to generate the skeleton of the each model and then determines the correspondence between two bones of the two models based on the hierarchical structures of their skeletons. Finally, the system defines vertex correspondences between the two models using Barycentric mapping. Then the 3D model morphing between the two models will become possible. These processes except the first segmentation step are automatic.

Published in:

Computer Graphics, Imaging and Visualisation, 2008. CGIV '08. Fifth International Conference on

Date of Conference:

26-28 Aug. 2008