改进的拉普拉斯算法在动画表情控制中的应用
摘要
为了实时得到真实感强的动画角色表情,对均一权值进行改进,并将其应用于拉普拉斯算法表情迁移中,更加精确地保留了目标模型的局部信息,克服了传统的拉普拉斯算法在表情控制中稳定性差、实时性不强的不足,并进行了实验验证。仿真实验结果表明:改进的算法能够真实的、高效的实现表情的迁移,并且实时性到达了30fps。
引文
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[3]Zhang Q,Liu Z,Guo B,et al.Geometr y-Dr iven Photorealistic Facial Expression Synthesis[J].IEEE Trans Vis Comput Graph,2006,12(1):48-60.
[4]Deng Z,Chiang PY,Fox P,et al.Animating blendshape faces by cross-mapping motion capture data[A]Symposium on Interactive 3d Graphics[C].2006:43-48.
[5]Zhao H,Tai CL.Subtle Facial Animation Transfer from2D Videos to 3D Faces with Laplacian Deformation[Z].2007.
[6]Sorkine O.Laplacian mesh processing.In Eurographics State-of-the-Art Report[R].2005.
[7]Meyer M,Desbrun M,Schroder P,et al.Discrete Dierential-Geome try Operators for Triangulated2-Manifolds[J].Visualization&Mathematics III,2002,6(8-9):35-57.