用vs2017+opencv3.4读取图片

话不多说,直接看代码

#include "opencv2/imgcodecs.hpp";
#include "opencv2/highgui.hpp";
#include "opencv2/imgproc.hpp";
#include <opencv2/opencv.hpp>
#include <iostream>
using namespace std;
using namespace cv;
Mat src, src_gray, dstimage, m, dst_Canny;
int main()
{
	string rootH = "../../DemoPic/";
	string fileName = "1";//更换图片
	fileName += ".jpg";
	string root = rootH + fileName;
	src = imread(root);//读图
	if (src.empty())
	{
		cout << "Can't find it!" << endl;
		return -1;
	}
	namedWindow("原图像", 0);
	imshow("原图像", src);
	waitKey();
	return 0;
}

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转载自blog.csdn.net/jfwzy109127/article/details/84348852