深度学习常用的数据源（MNIST，CIFAR，VOC2007系列数据）

MINIST手写数据集

压缩包版：

http://yann.lecun.com/exdb/mnist/train-images-idx3-ubyte.gz

http://yann.lecun.com/exdb/mnist/train-labels-idx1-ubyte.gz

http://yann.lecun.com/exdb/mnist/t10k-images-idx3-ubyte.gz

http://yann.lecun.com/exdb/mnist/t10k-labels-idx1-ubyte.gz

CSV版： 

https://pjreddie.com/media/files/mnist_train.csv

https://pjreddie.com/media/files/mnist_test.csv

CIFAR数据集

http://www.cs.toronto.edu/~kriz/cifar-10-python.tar.gz

http://www.cs.toronto.edu/~kriz/cifar-100-python.tar.gz

VOC2007数据集

http://host.robots.ox.ac.uk/pascal/VOC/voc2007/VOCtrainval_06-Nov-2007.tar

http://host.robots.ox.ac.uk/pascal/VOC/voc2007/VOCtest_06-Nov-2007.tar

CrackForest-dataset数据集

https://codeload.github.com/cuilimeng/CrackForest-dataset/zip/master