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import cv2
import numpy as np
original_image1 = cv2.imread('original_image.JPG').astype(np.float32)/255
# 设置调整颜色参数，小于1时，数值越小，越具有美白效果。反之，大于1时数值越大，可对美白照片还原原色
gamma1 = 0.6
whitening = np.power(original_image1, gamma1)
# 去除噪点
denoise = cv2.medianBlur(whitening, 5)
cv2.imshow('original_image', original_image1)
cv2.imshow('whitening', whitening)
cv2.imshow('denoise', denoise)
# 将美白图片还原为原色
gamma2 = 1.8
debeautify = np.power(denoise, gamma2)
cv2.imshow('debeautify', debeautify)
cv2.waitKey(0)
![在这里插入图片描述](https://img-blog.csdnimg.cn/20200104163703310.jpg?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80Mjc4OTA0NA==,size_16,color_FFFFFF,t_70
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