局所的形状特徴に拘束された3次元形状復元手法とそのリアルタイム動画表示(<小特集>3次元映像情報メディア技術)

概要

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We describe a 3D modeling method from multi-viewpoint images of a dynamic human body and a real-time rendering system of dynamic 3D models. This 3D modeling method reconstructs an accurate and stable 3D shape of a human body using stereo matching method supported by the regional surface feature of the visual hull. To display the generated 3D model in real-time from arbitrary viewpoints, we developed a real-time rendering system that uses aview-dependent polygon texture mapping method. Using the proposed modeling method and the rendering system, we experimentally rendered 3D models of a Noh performer and these experiments confirmed that the system was able to display 3D models in real-time from arbitrary viewpoints. Finally, comparisons with the results of other methods demonstrated the effectiveness of the proposed 3D modeling method and the rendering system.
2007-04-01