CIFAR-10数据集有3个版本,分别是Python, Matlab, 二进制版本。
切记这里下载Python版本。
编辑代码export_cifar10.py
import pickle
from scipy.misc import imsave
import numpy as np
def unpickle(file):
f = open(file, 'rb')
dict = pickle.load(f, encoding='iso-8859-1')
f.close()
return dict
filename = '/tmp/cifar10_data/cifar-10-batches-py/test_batch'
dict_train_batch1 = unpickle(filename)
print(dict_train_batch1.keys()) # 字典里有4组键值对
images = dict_train_batch1['data']
print(images.shape)
img = np.reshape(images[10], (3, 32, 32)) #只是测试,没有采用循环导出全部图像,这里导出第10幅图
img = img.transpose(1, 2, 0)
imsave("cifar.jpg", img)