import os
from PIL import Image
def init(fileList,n):
     for i in range(2,n):
          img=Image.open("G:\\detect\\"+str(fileList[i]))
          new_img=img.resize((32,32))
          w,h=new_img.size
          with open("G:\\detect\\chepai"+str(i)+".txt", "w") as f:
               for c in range(h):
                    for j in range(w):
                         f.write(str(int((255-(new_img.getpixel((j,c))))/255)))
                         if j==w-1:
                              f.write("\n")
          f.close()
if __name__=="__main__":
     fileList=os.listdir("G:\\detect")
     n=len(fileList)
     init(fileList,n)

可用作识别手写数字数据集。