# -*- coding: utf-8 -*-
"""
Created on Fri Oct  7 12:29:59 2022

@author: shsbnu
"""

import cv2
import numpy as np
 
imsrc1 = cv2.imread("pic/yyp2.jpg")
b,g,r=cv2.split(imsrc1)
alpha= np.ones(b.shape, dtype=b.dtype) * 255
imsrc1= cv2.merge((b, g, r, alpha))
cv2.imshow("1",imsrc1)

imsrc2 = cv2.imread("pic/logo.png", cv2.IMREAD_UNCHANGED)
imsrc2=cv2.resize(imsrc2,(100,100))
row,col,ch=imsrc2.shape

alpha = imsrc2[:,:,3] / 255.0
src = 1 - alpha
for i in range(3):
    imsrc1[:col,:row,i]=imsrc1[:col,:row,i]*src+alpha*imsrc2[:,:,i]
cv2.imshow("merge", imsrc1)
cv2.waitKey(0)
cv2.destroyAllWindows()