pil功能强大,convert方法可以轻易的将图片转换,下面的代码可以将图片转换成黑白效果
from PIL import Image # http://www.75271.com image_file = Image.open("convert_image.png") # open colour image image_file = image_file.convert('1') # convert image to black and white image_file.save('result.png')