基于python语言，学习Opencv的简单例子.zip

import cv2 as cv import numpy as np def add_waight_func(): src_img = cv.imread('Lena.png') icon_img = cv.imread('icon.png') cv.imshow('src image', src_img) logo_img = src_img[:72, :72] logo_img = cv.addWeighted(logo_img, 0.5, icon_img, 0.5, 0) src_img[:72, :72] = logo_img cv.imshow('add waight image', src_img) cv.waitKey(0) def add_logo_func(): src_img = cv.imread('Lena.png', cv.IMREAD_COLOR) src_icon = cv.imread('icon.png', cv.IMREAD_COLOR) row, col = src_icon.shape[0:2] logo_image = src_img[10:row+10, 10:col+10] icon_gray = cv.cvtColor(src_icon, cv.COLOR_BGR2GRAY) ret, mask_icon = cv.threshold(icon_gray, 20, 255, cv.THRESH_BINARY) dst_icon = cv.bitwise_and(src_icon, src_icon, mask=mask_icon) mask_logo = cv.bitwise_not(mask_icon) logo_image = cv.bitwise_and(logo_image, logo_image, mask=mask_logo) logo = cv.add(dst_icon, logo_image) src_img[10:row + 10, 10:col + 10] = logo cv.imshow('logo_image', src_img) cv.waitKey(0) if __name__ == '__main__': add_waight_func() add_logo_func()