show image opencv python
import cv2 img = cv2.imread('/path_to_image/opencv-logo.png') cv2.imshow('image',img) cv2.waitKey(0) cv2.destroyAllWindows() # to use it in a loop k = cv2.waitKey(0) if k == 27: # wait for ESC key to exit cv2.destroyAllWindows() elif k == ord('s'): # wait for 's' key to save and exit cv2.imwrite('messigray.png',img) cv2.destroyAllWindows()