python的matplotlib.pyplot显示图片

matplotlib.pyplot docs ：https://matplotlib.org/api/pyplot_summary.html

用matplotlib库显示图片

'''
imread(*args, **kwargs)	Read an image from a file into an array.
imsave(*args, **kwargs)	Save an array as in image file.
imshow(X[, cmap, norm, aspect, …])	Display an image on the axes.
'''
import matplotlib.pyplot as plt  
  
img = plt.imread('G:\\picture\\2.jpg')  
plt.imshow(img)  
plt.show()  

matplotlib与PIL.Image结合显示

import matplotlib.pyplot as plt
import matplotlib.image as mpimg
import numpy as np
from PIL import Image

img1=Image.open('G:\\picture\\1.jpg')
npimg1=np.array(img1)
plt.imshow(npimg1)
plt.show()