图象边沿检测提取轮廓跟踪算法 这个源码好简单，适合初学者，-Image Edge Extraction contour detection algorithm to track the source code is really very simple, suitable for beginners.

边沿检测与提取,轮廓跟踪的图像算法,用vc来实现的-edge detection and extraction, image contour tracking algorithm, used to achieve the vc