Opencv learning log 18 Canny operator

Preface

This article is mainly about opencv in canny Use of operators .

One 、canny operator

// The first question is   call canny operator 
#include <opencv2/opencv.hpp>
#include <iostream>
using namespace cv;
using namespace std;

int main()
{
    
	cv::Mat dstMat;
	cv::Mat srcMat = imread("C://Users//john//Desktop//1.jpg",0);
	Canny(srcMat, dstMat, 75, 80, 3, false);
	imshow("dstMat", dstMat);
	waitKey(0);
}

summary

1. The code can run directly , If you don't understand, please leave a message .