#include<opencv2/opencv.hpp>

using namespace cv;

int main()

{

    VideoCapture capture();        //从摄像头读入视频

    Mat edges;

    while ()

    {

        Mat frame;       //定义一个Mat变量读取当前帧

        capture >> frame;  //读取当前帧

        cvtColor(frame, edges, COLOR_BGR2GRAY);  //转化为灰度图

        blur(edges, edges, Size(, ));   //均值模糊

        Canny(edges, edges, , , );    //进行canny边缘检测

        imshow("读取摄像头", edges);

        waitKey();

    }

    return ;

}