White Patch(maxRGB)白平衡算法python实现

改进的white patch方法求原始图像每个通道的累计直方图，取累计到某一个值 p*n 时对应的图像像素值作为其中p为百分值，实验中取为1%-5%，n为图像的像素点数。

import numpy as np
import cv2

image = cv2.imread('1.jpeg')
top = image.shape[0]*image.shape[1]*0.01

b,g,r = cv2.split(image)
rgbmax = [0,0,0]
for i in range(image.shape[-1]):
    sum = 0
    l = 256
    hist,_ = np.histogram(cv2.split(image)[i].flatten(),256,[0,256]) 
    while sum