用python 将蓝底照片转化为白底照片

# coding=utf-8 import cv2 import numpy as np img=cv2.imread('picture.jpg') #原始图片 #缩放 rows,cols,channels = img.shape img=cv2.resize(img,None,fx=0.5,fy=0.5) rows,cols,channels = img.shape #cv2.imshow

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