ReadVideoCanny.rar_canny _video

#include <opencv2/opencv.hpp> #include <opencv2/video/video.hpp> #include <opencv2/imgproc/imgproc.hpp> using namespace cv; int main() { VideoCapture capture; if (!capture.open("highway.avi")) capture.open(0); while(1) { Mat frame; capture >> frame; imshow("ReadVideo", frame); Mat grayImage, edgeImage; cvtColor(frame, grayImage, CV_BGR2GRAY); blur(grayImage, edgeImage, Size(7, 7)); Canny(edgeImage, edgeImage, 0, 30, 3); imshow("Canny Image", edgeImage); waitKey(30); } return 0; }