CIFAR-10 PNGs in folders

### Context
This dataset is only here for convenience. The original dataset in binary form can be found at https://www.cs.toronto.edu/~kriz/cifar.html
And the dataset in ImageNet format (each class is a subfolder) can be found at
https://course.fast.ai/datasets

### Content

From the description on the dataset's home page,
"The CIFAR-10 dataset consists of 60000 32x32 colour images in 10 classes, with 6000 images per class. There are 50000 training images and 10000 test images. Here are the classes in the dataset: airplane, automobile, bird, cat, deer, dog, frog, horse, ship, truck "

Cover photo by Ethan McArthur on Unsplash

本数据集旨在提供便利。原始的二进制格式数据集可于以下网址获取：https://www.cs.toronto.edu/~kriz/cifar.html。同时，以 ImageNet 格式（每种类别为一个子文件夹）的数据集可于以下网址获取：https://course.fast.ai/datasets。根据数据集主页上的描述，CIFAR-10 数据集包含 10 个类别共计 60000 张 32x32 分辨率的彩色图像，每个类别包含 6000 张图像。数据集包含 50000 张训练图像和 10000 张测试图像。以下是数据集中的类别：飞机、汽车、鸟类、猫、鹿、狗、青蛙、马、船只、卡车。图片由 Ethan McArthur 拍摄，授权于 Unsplash。