Python图像处理-2.pil读取图像，显示图像，创建缩略图

from PIL import Image
import matplotlib.pyplot as plt

pil_im1 = Image.open('pic1.png')
pil_im2 = Image.open('pic1.png').convert('L')

plt.figure("girlfriend1")
plt.imshow(pil_im1)
pil_im1.thumbnail((128 , 128)) #变成缩略图
plt.figure("girlfriend3")
plt.imshow(pil_im1)

plt.figure("girlfriend2")
plt.imshow(pil_im2)
plt.show()