#include<iostream>
#include <opencv2/core/core.hpp>
#include <opencv2/highgui/highgui.hpp>
using namespace cv;
int main()
{
Mat img = imread("D:\\opencv\\opencv\\sources\\samples\\cpp\\board.jpg");
imshow("img", img);
waitKey();
}
PS:有的时候路径图像显示有问题是因为路径的原因。查了一些资料。发现读入路径时要用"\\"