嘴软心硬

======== 3通道和单通道图像合并 ======

提取轮廓在OpenCV里有一个函数 cvFindContours[cpp] view plaincopyprint?int cvFindContours( CvArr* image, CvMemStorage* storage, CvSeq** first_contour,int header_size=sizeof(CvContour),int mode=CV_RETR_LIST,int m

// 找余弦角度 线段double angle( Point pt1, Point pt2, Point pt0 ) { // 找余弦角度 finds a cosine of angle between vectors from pt0->pt1 and from pt0->pt2double dx1 = pt1.x - pt0.x;double dy1 = pt1.y - p

//============================== 窗口显示多幅图（3通道） ===================================void cvShowManyImages(char* title, int nArgs, ...)   {        // img - Used for getting the arguments 参数