1. 灰度化
from PIL import Image
img = Image.open("test.jpg")
img = img.convert("L")
img.save("output.jpg")
2. 二值化
from PIL import Image
img = Image.open("test.jpg")
img = img.convert("1")
img.save("output.jpg")
标签:convert,img,python,Image,jpg,灰度,二值化
From: https://www.cnblogs.com/wstong2052/p/18111426