本文将物体中轴线的几何特性和元球造型技术结合起来，提出了一种根据物体的二维轮廓线或者三维采样点进行快速三维物体造型的技术。

Firstly, this paper points out the conception error and the difficulty of current ways of outlining the polygon medial axis by analysis and comparison.

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设计了一种将轮廓线三维建模与多尺度二维图像处理技术相结合的新方法。该方法的核心是边缘距离图算法。

This paper proposed a new contour reconstruction method combining multi-scale strategy, and the core component of new method is edge distance graph algorithm.

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