opencv_判断两张图片是否相同

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pip install opencv

如果找不到版本，去非官方下载opencv第三方包http://www.lfd.uci.edu/~gohlke/pythonlibs/

下载好文件放入C：/Anaconda3/Scripts 文件夹， 然后 用pip install opencv安装

# -*- coding: utf-8 -*-
"""
Created on Sat Dec 24 10:42:10 2016

@author: daxiong
"""

import cv2
import numpy as np
#import os

file1= "1.png"
file2="3.png"

image1 = cv2.imread(file1)
image2 = cv2.imread(file2)
difference = cv2.subtract(image1, image2)
result = not np.any(difference) #if difference is all zeros it will return False

if result is True:
     print("两张图片一样")
else:
     cv2.imwrite("result.jpg", difference)
     print ("两张图片不一样")