该文对二值图像轮廓线的提取，提出了一种简捷的算法。
A simplified method was put forward on a binary image contour line extraction.
该文针对复杂背景的彩色图像，提出并实现了一种图像封闭轮廓线提取的方法。
This paper has deep ly researched image segmentation. Aiming at the color image with complicated background, a novel method of close contour line extraction is presented.
然后根据特征点的几何定义，利用轮廓线的位置、曲率等信息自动提取特征点。
Characteristic points can be extracted by considering the geometry definition, the position and curvature of each point on the contours.
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