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On the simulation of expressional animation based on facial MoCap

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Abstract

MoCap (motion capture)-based animation is a hot issue in computer animation research currently. Based on the optical MoCap system, this paper proposes a novel cross-mapping based facial expression simulating method. To overcome the problem of the false upper and lower jaw correlation derived from the facial global RBF-based cross-mapping method, we construct a functional partition based RBF cross-mapping method. During model animating, enhanced markers are added and animated by our proposed skin motion mechanism. In addition, based on the enhanced markers, an improved RBF-based animating approach is raised to derive realistic facial animation. Further more, a pre-computing algorithm is presented to reduce computational cost for real-time simulation. The experiments proved that the method can not only map the MoCap data of one subject to different personalized faces but generate realistic facial animation.

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Correspondence to XiaoYong Fang, XiaoPeng Wei or Qiang Zhang.

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Fang, X., Wei, X., Zhang, Q. et al. On the simulation of expressional animation based on facial MoCap. Sci. China Inf. Sci. 56, 1–12 (2013). https://doi.org/10.1007/s11432-011-4468-4

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  • DOI: https://doi.org/10.1007/s11432-011-4468-4

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