https://github.com/zalandoresearch/fashion-mnist

Fashion-MNIST is a dataset of Zalando's article images 60000 train set 10000 test set 28x28 grayscale image 10 classes

替代mnist的原因

1. mnist is too easy
   Convolutional nets can achieve 99.7% on MNIST. Classic machine learning algorithms can also achieve 97% easily
2. is overused
3. can not represent modern CV tasks http://fashion-mnist.s3-website.eu-central-1.amazonaws.com/