First we construct a generic face mesh which vertex number, vertex distribution, mesh topology and 2D parameterization are very suitable for the film visual effect field;

本文首先构造一个顶点数目、顶点分布、拓扑结构、二维参数化纹理坐标都非常适合影视特效中使用的三维人脸基本网格；

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By researching the partial derivative calculation of model vertex and linearity treating field function using Taylor series, the 3D models can be changed via automatic optimization;

通过研究三角形多面体模型节点偏导数的计算方法，对目标函数进行线性化处理，形成了计算机自动迭代修改模型体的技术。

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By researching the partial derivative calculation of model vertex and linearity treating field function using Taylor series, the 3D models can be changed via automatic optimization;

通过研究三角形多面体模型节点偏导数的计算方法，对目标函数进行线性化处理，形成了计算机自动迭代修改模型体的技术。

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