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README.md
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tags:
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- vision
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- image-classification
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datasets:
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- imagenet-1k
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- imagenet-21k
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widget:
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- src: https://
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example_title:
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- src: https://huggingface.co/datasets/mishig/sample_images/resolve/main/teapot.jpg
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example_title: Teapot
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- src: https://huggingface.co/datasets/mishig/sample_images/resolve/main/palace.jpg
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```
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For more code examples, we refer to the [documentation](https://huggingface.co/transformers/model_doc/vit.html#).
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## Training data
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The ViT model was pretrained on [ImageNet-21k](http://www.image-net.org/), a dataset consisting of 14 million images and 21k classes, and fine-tuned on [ImageNet](http://www.image-net.org/challenges/LSVRC/2012/), a dataset consisting of 1 million images and 1k classes.
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## Training procedure
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### Preprocessing
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The exact details of preprocessing of images during training/validation can be found [here](https://github.com/google-research/vision_transformer/blob/master/vit_jax/input_pipeline.py).
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Images are resized/rescaled to the same resolution (224x224) and normalized across the RGB channels with mean (0.5, 0.5, 0.5) and standard deviation (0.5, 0.5, 0.5).
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### Pretraining
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The model was trained on TPUv3 hardware (8 cores). All model variants are trained with a batch size of 4096 and learning rate warmup of 10k steps. For ImageNet, the authors found it beneficial to additionally apply gradient clipping at global norm 1. Training resolution is 224.
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## Evaluation results
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For evaluation results on several image classification benchmarks, we refer to tables 2 and 5 of the original paper. Note that for fine-tuning, the best results are obtained with a higher resolution (384x384). Of course, increasing the model size will result in better performance.
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### BibTeX entry and citation info
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```bibtex
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@misc{wu2020visual,
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title={Visual Transformers: Token-based Image Representation and Processing for Computer Vision},
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author={Bichen Wu and Chenfeng Xu and Xiaoliang Dai and Alvin Wan and Peizhao Zhang and Zhicheng Yan and Masayoshi Tomizuka and Joseph Gonzalez and Kurt Keutzer and Peter Vajda},
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year={2020},
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eprint={2006.03677},
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archivePrefix={arXiv},
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primaryClass={cs.CV}
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}
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```
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```bibtex
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@inproceedings{deng2009imagenet,
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title={Imagenet: A large-scale hierarchical image database},
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author={Deng, Jia and Dong, Wei and Socher, Richard and Li, Li-Jia and Li, Kai and Fei-Fei, Li},
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booktitle={2009 IEEE conference on computer vision and pattern recognition},
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pages={248--255},
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year={2009},
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organization={Ieee}
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}
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tags:
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- vision
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- image-classification
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widget:
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- src: https://www.estal.com/FitxersWeb/331958/estal_carroussel_wg_spirits_5.jpg
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example_title: Glass
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- src: https://huggingface.co/datasets/mishig/sample_images/resolve/main/teapot.jpg
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example_title: Teapot
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- src: https://huggingface.co/datasets/mishig/sample_images/resolve/main/palace.jpg
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```
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For more code examples, we refer to the [documentation](https://huggingface.co/transformers/model_doc/vit.html#).
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