vit

Vision Transformer

Introduction

@article{dosoViTskiy2020,
  title={An Image is Worth 16x16 Words: Transformers for Image Recognition at Scale},
  author={DosoViTskiy, Alexey and Beyer, Lucas and Kolesnikov, Alexander and Weissenborn, Dirk and Zhai, Xiaohua and Unterthiner, Thomas and  Dehghani, Mostafa and Minderer, Matthias and Heigold, Georg and Gelly, Sylvain and Uszkoreit, Jakob and Houlsby, Neil},
  journal={arXiv preprint arXiv:2010.11929},
  year={2020}
}

Usage

To use other repositories' pre-trained models, it is necessary to convert keys.

We provide a script vit2mmseg.py in the tools directory to convert the key of models from timm to MMSegmentation style.

python tools/model_converters/vit2mmseg.py ${PRETRAIN_PATH} ${STORE_PATH}

E.g.

python tools/model_converters/vit2mmseg.py https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-vitjx/jx_vit_base_p16_224-80ecf9dd.pth pretrain/jx_vit_base_p16_224-80ecf9dd.pth

This script convert model from PRETRAIN_PATH and store the converted model in STORE_PATH.

Results and models

ADE20K

Method	Backbone	Crop Size	Lr schd	Mem (GB)	Inf time (fps)	mIoU	mIoU(ms+flip)	config	download
UPerNet	ViT-B + MLN	512x512	80000	9.20	6.94	47.71	49.51	config	model | log
UPerNet	ViT-B + MLN	512x512	160000	9.20	7.58	46.75	48.46	config	model | log
UPerNet	ViT-B + LN + MLN	512x512	160000	9.21	6.82	47.73	49.95	config	model | log
UPerNet	DeiT-S	512x512	80000	4.68	29.85	42.96	43.79	config	model | log
UPerNet	DeiT-S	512x512	160000	4.68	29.19	42.87	43.79	config	model | log
UPerNet	DeiT-S + MLN	512x512	160000	5.69	11.18	43.82	45.07	config	model | log
UPerNet	DeiT-S + LN + MLN	512x512	160000	5.69	12.39	43.52	45.01	config	model | log
UPerNet	DeiT-B	512x512	80000	7.75	9.69	45.24	46.73	config	model | log
UPerNet	DeiT-B	512x512	160000	7.75	10.39	45.36	47.16	config	model | log
UPerNet	DeiT-B + MLN	512x512	160000	9.21	7.78	45.46	47.16	config	model | log
UPerNet	DeiT-B + LN + MLN	512x512	160000	9.21	7.75	45.37	47.23	config	model | log