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import cv2
import numpy as np
import os
img_path = '/home/ai/.keras/datasets/fashion-mnist/train-images-idx3-ubyte'
label_path = '/home/ai/.keras/datasets/fashion-mnist/train-labels-idx1-ubyte'
save_path = '/home/ai/.keras/datasets/fashion-mnist/traindata'
img_path2 = '/home/ai/.keras/datasets/fashion-mnist/t10k-images-idx3-ubyte'
label_path2 = '/home/ai/.keras/datasets/fashion-mnist/t10k-labels-idx1-ubyte'
save_path2 = '/home/ai/.keras/datasets/fashion-mnist/testdata'
classes = { 0: 'T-shirt_or_top',
1: 'Trouser',
2: 'Pullover',
3: 'Dress',
4: 'Coat',
5: 'Sandal',
6: 'Shirt',
7: 'Sneaker',
8: 'Bag',
9: 'Ankle boot'}
def save(img_path ,label_path, savepath, num):
f = open(img_path,'rb')
la_f = open(label_path,'rb')
la_f.read(8)
f.read(16)
dict = {}
for n in range(num):
image = []
for i in range(28*28):
image.append(ord(f.read(1)))
image = np.array(image).reshape(28,28)
name = classes[ord(la_f.read(1))]
filepath = os.path.join(savepath, name)
if not os.path.isdir(filepath):
os.makedirs(filepath)
if name not in dict:
dict[name] = 1
else:
dict[name] += 1
png = str(dict[name])+'.png'
save_path = os.path.join(filepath, png)
cv2.imwrite(save_path, image)
la_f.close()
f.close()
save(img_path,label_path,save_path,num=60000)
save(img_path2,label_path2,save_path2,num=10000)
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