图片操作

from PIL import Image
I = Image.open('1111.jpg')
#I.show()
# RGB 转换为灰度图
L = I.convert('L')
im_array = np.array(L)
print im_array
print im_array.shape
L.show()

from PIL import Image
import matplotlib.pyplot as plt
img=Image.open('1111.jpg')
im_array = np.array(img)
print im_array
plt.figure("dog")
plt.imshow(img)
plt.show()