import cv2 import os data_dir = './data' infer_file = './infer.res' path_to_im = dict() for line in open(infer_file): img_path, _, _, _ = line.strip().split('\t') if img_path not in path_to_im: im = cv2.imread(os.path.join(data_dir, img_path)) path_to_im[img_path] = im for line in open(infer_file): img_path, label, conf, bbox = line.strip().split('\t') xmin, ymin, xmax, ymax = map(float, bbox.split(' ')) xmin = int(round(xmin)) ymin = int(round(ymin)) xmax = int(round(xmax)) ymax = int(round(ymax)) img = path_to_im[img_path] cv2.rectangle(img, (xmin, ymin), (xmax, ymax), (0, (1 - xmin) * 255, xmin * 255), 2) for img_path in path_to_im: im = path_to_im[img_path] cv2.imwrite(img_path, im) print 'Done.'