The complex surfaces on a sculpture was fitted with elliptic curves in sets based on the surface nodal points and the elliptic fitting algorithm was presented.
基于复杂型面的型值点，采用椭圆曲线法则，提出椭圆拟合算法，利用该算法来拟合石雕型面，得出雕像的椭圆曲线集合。
An optimization method was presented for best-fitting of measurement point cloud to the complex surfaces, which consists of rough matching and accurate matching.
针对复杂曲面类零件加工余量分析过程中的测量数据匹配问题，提出通过初始匹配和精确匹配来实现曲面测量数据的最佳匹配。
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