# -*- coding: utf-8 -*-
import sys
import cv2
import numpy as np
##ReverseColor.py messi5.jpg
if len(sys.argv) >1 :
img=cv2.imread(sys.argv[1])
img2= 255-img cv2.namedWindow('image')
cv2.imshow('image',img)
#cv2.waitKey(0)
cv2.namedWindow('image2')
cv2.imshow('image2',img2)
cv2.waitKey(0)
else:
print u"请输入图片路径及名称"
