制作简单，且可连续控制边缘增强图像的对比度。
It can be made easily and the contrast of edge enhanced images can be controlled continuously.
图像的边缘表现为图像上的不连续性，边缘检测就是检测图像上的不连续点或陡变点。
The edge of image is manifested as discontinuity in image, what edge detection means is to doled (in the image ) those discontinuous points or sharp variation points.
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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