#include #include int main( int argc, char** argv ) { if(argc != 2) { std::cout << "Usage: display_image ImageToLoadAndDisplay" << std::endl; return -1; } cv::Mat image; image = cv::imread(argv[1], CV_LOAD_IMAGE_COLOR); // Read the file if(!image.data) {// Check for invalid input std::cout << "Could not open or find the image" << std::endl; return -1; } cv::namedWindow( "Display window", cv::WINDOW_AUTOSIZE ); //Create a window for display. cv::imshow( "Display window", image ); //Show our image inside it. cv::waitKey(0); //Wait for a keystroke in the window return 0; }