Then a novel technique of vertex merging is proposed to deal with the problem of self-intersection.

针对血管树表面重建中的自相交问题，提出一种新型顶点融合技术，给出了融合点的计算方法。

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To simplify the 3D color head dataset acquired from 3D color laser scanner, a new vertex merging mesh simplification algorithm based on region segmentation is presented.

针对三维激光扫描仪获得的彩色人头数据集压缩问题，提出了基于区域分割的顶点合并网格简化算法。

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