图像的腐蚀图像的膨胀图像的结构开和结构闭图像的细化图像的边缘检测图像的Hough变换图像的轮廓提取图像的识别和模板匹配- The picture corrosion picture inflation picture structure opens with the structure shuts the picture the thin picture edge examination picture Hough transformation picture outline to with