它建立了有向曲面上的曲面积分与它的边界曲线积分的关系。
It gives a relationship between a surface integral over an oriented surface and a line integral along a simple closed curve.
将扫描体与复杂曲面法矢的求交问题，转化为三角网格与有向线段之间的求交计算。
The intersection of sweep volume with complicated surface normal is transformed into computation of intersection between triangular mesh and directed line segment.
该算法构造曲面的有向深度图像，将问题由3维转化到2维，通过图像的比较来获得曲面的匹配误差。
By constructing the oriented depth images for each surface, a problem in 3d is transformed into a 2d problem.
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