import cv2
import numpy as np
import sys
panda1 = cv2.imread("panda.png")
panda2 = cv2.imread("panda2.png")### generate Gaussian pyramind for first
G = panda1.copy()
gpk =[G]for i inrange(6):
G = cv2.pyrDown(G)
gpk.append(G)### generate Gaussion pyramind for second
G = panda2.copy