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Coordination of appearance and motion data for virtual view generation of traditional dances

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4 Author(s)
Kamon, Y. ; Dept. of Comput. Sci., Okayama Univ., Japan ; Yamane, R. ; Mukaigawa, Y. ; Shakunaga, T.

A novel method is proposed for virtual view generation of traditional dances. In the proposed framework, a traditional dance is captured separately for appearance registration and motion registration. By coordinating the appearance and motion data, we can easily control virtual camera motion within a dancer-centered coordinate system. For this purpose, a coordination problem should be solved between the appearance and motion data, since they are captured separately and the dancer moves freely in the room. The present paper shows a practical algorithm to solve it. A set of algorithms are also provided for appearance and motion registration, and virtual view generation from archived data. In the appearance registration, a 3D human shape is recovered in each time from a set of input images after suppressing their backgrounds. By combining the recovered 3D shape and a set of images for each time, we can compose archived dance data. In the motion registration, stereoscopic tracking is accomplished for color markers placed on the dancer. A virtual view generation is formalized as a color blending among multiple views, and a novel and efficient algorithm is proposed for the composition of a natural virtual view from a set of images. In the proposed method, weightings of the linear combination are calculated from both an assumed viewpoint and a surface normal.

Published in:

3-D Digital Imaging and Modeling, 2005. 3DIM 2005. Fifth International Conference on

Date of Conference:

13-16 June 2005

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