An Efficient Skinning Method Using Normal Map Interpolation

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  • KURIHARA Tsuneya
    Central Research Laboratory, Hitachi, Ltd. Graduate School of Frontier Sciences, The University of Tokyo
  • MIYATA Natsuki
    Digital Human Research Center, National Institute of Advanced Industrial Science and Technology (AIST)
  • NISHITA Tomoyuki
    Graduate School of Frontier Sciences, The University of Tokyo

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  • 法線マッピングの補間を用いた効率的なスキニング方法
  • ホウセン マッピング ノ ホカン オ モチイタ コウリツテキナ スキニング ホウホウ

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Description

We present an efficient, example-based skinning method using interpolations of normal maps. First, we generate simplified meshes with normal maps from the measured meshes of several poses. We then construct meshes whose parameterizations and normal maps are mutually consistent. That is, a triangle mesh of one pose, a source mesh, is deformed interactively to be consistent with other sample meshes using specified feature points and feature curves. A weighted pose-space deformation combined with the method of interpolating normal maps is presented to generate efficient realistic deformations. We apply the proposed method to shape interpolation and example-based skinning, and demonstrate its effectiveness.

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