图像灰度化
# -*- coding: utf-8 -*
from PIL import Image
from pylab import *
from matplotlib.font_manager import FontProperties
font = FontProperties(fname=rc:\windows\fonts\SimSun.ttc, size=14)
figure()
pil_im = Image.open('E:/iu.jpg')
gray()
subplot(121)
title(u'原图',fontproperties=font)
axis('off')
im
