OpenCV实现图像边缘检测

// Image_Canny.cpp : 定义控制台应用程序的入口点。
//
 
#include "stdafx.h"
#include <cv.h>
#include "highgui.h"
using namespace cv;
 
int _tmain(int argc, _TCHAR* argv[])
{
 Mat src_img=imread("..\\image_norm\\71253.jpg");
 imshow("src_img",src_img);
 Mat img_canny(src_img.size(),CV_8UC1,Scalar(0));
 //canny detect
 Canny(src_img,img_canny,100,300,3,true);
 imshow("img_canny",img_canny);
 imwrite("..\\post_img\\canny.jpg",img_canny);
 
 cvWaitKey(0);
 
 return 0;
}