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#includeusing namespace std;using namespace cv;int main(){ //【1】从摄像头读入视频 VideoCapture capture(1); //=============存取视频===================== //int w = capture.get(CV_CAP_PROP_FRAME_WIDTH); //int h = capture.get(CV_CAP_PROP_FRAME_HEIGHT); //int count = capture.get(CV_CAP_PROP_FRAME_COUNT); //int fps = capture.get(CV_CAP_PROP_FPS); //VideoWriter wri; //wri.open("1.avi", CV_FOURCC('D', 'I', 'V', 'X'), fps, Size(w, h)); //============================================= //【2】循环显示每一帧 while (1) { Mat frame; //定义一个Mat变量,用于存储每一帧的图像 Mat midImage, dstImage;//临时变量和目标图的定义 capture >> frame; //读取当前帧 cvtColor(frame, midImage, COLOR_BGR2GRAY); GaussianBlur(midImage, midImage, Size(9, 9), 2, 2); //【4】进行霍夫圆变换 vector circles; HoughCircles(midImage, circles, HOUGH_GRADIENT, 1.5, 10, 200, 100, 0, 0); for (size_t i = 0; i < circles.size(); i++) { //参数定义 Point center(cvRound(circles[i][0]), cvRound(circles[i][1])); int radius = cvRound(circles[i][2]); //绘制圆心 circle(frame, center, 3, Scalar(0, 255, 0), -1, 8, 0); //绘制圆轮廓 circle(frame, center, radius, Scalar(155, 50, 255), 3, 8, 0); //wri << frame;//保存视屏 } imshow("读取视频", frame); //显示当前帧 waitKey(10); //延时30ms } return 0;}
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