OpenCV之创建图像并显示（c++版）

#include <opencv2\opencv.hpp>#include <string>using namespace cv;using namespace std;int main(){string imagename = "..\\Lena.jpg";//读入图像Mat img = imread(imagename);//如果读入图像失败if(img.empty()){cout<<"no this image";return -1;}//创建窗口namedWindow("image",1);//显示图像imshow("image",img);//等待按键，按键盘任意键返回waitKey();return 0;}