import cv2import numpyimg=numpyzeros300500dtype=numpyuint8n=0while Truecv2imshowmyimgimgn+=28img=nprintimg11key=cv2waitKey1if key==27break请优化代码

import cv2 import numpy as np

img = np.zeros((300, 500), dtype=np.uint8) n = 0 while True: cv2.imshow('myimg', img) n += 28 img[:, :] = n print(img[1, 1]) key = cv2.waitKey(1) if key == 27: break

cv2.destroyAllWindows()