opencv，图片合成

import cv2
img=cv2.imread('1.jpg')
img1=cv2.resize(img,(416,333))
img21=cv2.imread('2.jpg')
# r1,c1=img21.shape()
# print(r1)
img2=cv2.resize(img21,(416,333))

# B=cv2.add(img1,img2)

A=cv2.addWeighted(img1,0.8,img2,0.2,2)
cv2.imshow('king',A)
if cv2.waitKey(0)&0xFF==ord('k'):
    cv2.destroyAllWindows()