Create Samples from Folder

static Mat createSamplesFromFolder(String pattern, Size resize, int type = CV_8UC1, bool recursive = false) { std::vector<cv::String> files; cv::glob(pattern, files, recursive); int nFiles = files.size(); Mat img, samples(Size(resize.width*resize.height, nFiles), type); for (int i = 0; i < nFiles; i++) { img = cv::imread(files[i], IMREAD_GRAYSCALE); cv::resize(img, img, resize, 0, 0, CV_INTER_AREA); img = img.reshape(1, 1); img.row(0).copyTo(samples.row(i)); } return samples; }