numpy 保存图片

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#!/usr/bin/env python # coding:utf-8   import numpy as np from PIL import Image   # im = Image.open('pic/cat.jpg') # im.show() # im.save("pic/cat.png")   def save_pic_np():     im = Image.open('pic/cat.jpg')     m = np.array(im)     # print(m)     np.save('demo.npy',m)   def read_pic_np():     arr = np.load('demo.npy')     img = Image.fromarray(arr)     img.show()   if __name__ == "__main__":     # save_pic_np() #保存图片     read_pic_np()  #读取图片