Datasets metafiles

Provide metafiles (meta.zip) for supported datasets in OpenMixup v0.1.3 (update ImageNet-100 for self-supervised learning). Please unzip and place it under data/ (see readme_data.txt), and download full datasets by yourself. Supported datasets include: MNIST, CIFAR-10/100, Tiny-ImageNet, ImageNet-1k/ImageNet-100, Place205, iNaturalist2017/2018, CUB-200-2011, FGVC-Aircrafts, StandordCars.

• [2022-04-12] Update meta.zip for ImageNet-100 in OpenMixup v0.2.0.
• [2022-12-28] Update download links for ImageNet datasets from the official ImageNet site: ImageNet-1K (train), ImageNet-1K (val), ImageNet-21K-P (winter21 resized), ImageNet-21K-P (winter21 whole).