18_马赛克效果

import cv2
img = cv2.imread('ruonan.jpg',1)
Info = img.shape
height = Info[0]
width = Info[1]
for m in range(100,300):
 for n in range(100,200):
  if m%10==0 and n%10==0:
   for k in range(0,10):
    for p in range(0,10):
        img[m+k,n+p] = img[m,n]
cv2.imshow('mskImg',img)
cv2.waitKey(0)