32位/24位bmp图像转化成8位bmp图像(python)

32位/24位bmp图像转化成8位bmp图像(python)

import numpy as np
from PIL import Image# 24位转8位灰度
image1 = Image.open(r'C:UserscandiceyjDesktop32WEI.bmp')
image2 = Image.fromarray(np.uint8(image1))
print(image2