首先，本文基于连续边缘曲面的连通特性，提出了一个三维图像中阶梯型边缘曲面的检测与追踪算法。

Firstly, a new surface detecting and tracing algorithm is proposed in this dissertation based the connectivity characteristics of the edge surface.

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让我们看一种曲面的边缘。

Let's look at a marginal kind of surface.

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而蹦床边缘的轻物体，比如网球，将沿着曲面移向保龄球-就像行星围绕着太阳运行。

A light object, like a tennis ball, on the edge of the trampoline will follow a curved path toward the bowling ball - like a planet orbiting the sun.

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