基于边缘轮廓的角点检测算法，由三个基本的功能模块组成，分别是图像边缘检测模块、边缘轮廓曲线的提取模块和轮廓曲线上的角点检测模块。-Corner detection algorithm based on edge profile, consisting of three basic function module, the module of image edge detection, edge contour curve module and the extraction of contour curve on the corner detection module.