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Model-Based Markerless Human Body Motion Capture using Multiple Cameras

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3 Author(s)
Chengkai Wan ; Beijing Jiaotong Univ., Beijing ; Baozong Yuan ; Zhenjiang Miao

Current markerless model-based human body motion capture methods always aim at accurate human body model and reconstruction surface contour. Unfortunately, because of the factors such as loose clothing, image noise and background segmentation errors, the efforts of these methods get very limited effects. In this paper, we propose a new algorithm for markerless model-based human body motion capture which is robust to the inaccurate human body reconstruction caused by the factors mentioned above. We extracted a volume data (voxel) representation from silhouettes in multiple video images. In the consideration of the human body model, we construct an articulated model with a potential energy which emphasize the skeleton of the human body and is not sensitive to the outline details of the human body surface. Then, we fit the human body model to the volume data in an expectation-maximization framework and recover the pose of the human body.

Published in:

Multimedia and Expo, 2007 IEEE International Conference on

Date of Conference:

2-5 July 2007

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