Python批处理将RGB(彩色图)转换为灰度图

import os
from PIL import Image

file_dir = '原图片路径'
out_dir = '目标图片路径'

imgs = os.listdir(file_dir)
for i in imgs:
    I = Image.open(file_dir + i)
    L = I.convert('L')
    L.save(out_dir + i)

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转载自blog.csdn.net/lipengfei0427/article/details/114234518