c++ read image opencv in folder
vector<cv::String> fn; glob("/home/images/*.png", fn, false); vector<Mat> images; size_t count = fn.size(); //number of png files in images folder for (size_t i=0; i<count; i++) images.push_back(imread(fn[i]));
opencv c++ image write
imwrite("test.jpg", save_img); // A JPG FILE IS BEING SAVED
Source: stackoverflow.com
opencv open image c++
Mat img = imread(image_path, IMREAD_COLOR);
opencv read image c++
Mat I = imread("C:\\images\\apple.jpg", 0); if (I.empty()) { std::cout << "!!! Failed imread(): image not found" << std::endl; // don't let the execution continue, else imshow() will crash. } namedWindow( "Display window", CV_WINDOW_AUTOSIZE );// Create a window for display. imshow( "Display window", I ); waitKey(0);
Source: stackoverflow.com