Distill-SODA

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[T-MI 2024] Distill-SODA: Distilling Self-Supervised Vision Transformer for Source-Free Open-Set Domain Adaptation in Computational Pathology

Distill-SODA 최신버젼 다운로드

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# Distill-SODA

This repository contains official [PyTorch](https://pytorch.org/) implementation for paper **Distill-SODA: Distilling Self-Supervised Vision Transformer for Source-Free Open-Set Domain Adaptation in Computational Pathology** by Guillaume Vray, Devavrat Tomar, Behzad Bozorgtabar, and Jean-Philippe Thiran.\
[[arxiv]](https://arxiv.org/abs/2307.04596)[[ieeexplore]](https://ieeexplore.ieee.org/document/10403873)

**Unveiling the self-supervised vision transformer (ViT) for source-free open-set domain adaptation (SF-OSDA).** The source model $f_s$ undergoes adaptation, resulting in the adapted model $f_t$ acclimating to an unlabeled target domain, accommodating both closed-set (known) and open-set (unknown) classes, all while maintaining a strict boundary of not accessing the source dataset. Our methodology capitalizes on distilling knowledge from a self-supervised ViT, leveraging its potent capability to generate contextually enriched target embeddings. Guidance for knowledge distillation can originate from two principal sources: self-supervised pre-trained transformer models without adaptation and models that have undergone extensive self-supervised pre-training on publicly available histopathology datasets or target domain data, showcasing our approach's adaptability.

## Table of Contents
- [Installation](#installation)
- [Usage](#usage)
- [Citation](#citation)
- [License](#license)

## Installation

Get started with this project by setting it up on your local machine. Follow these steps:

#### Clone the Repository
```bash
git clone git@github.com:LTS5/Distill-SODA.git
cd Distill-SODA
```

#### Install Dependencies
```bash
conda create --name DistillSODA python=3.8
conda activate DistillSODA

pip install torch==1.13.0 torchvision==0.14.0 --extra-index-url https://download.pytorch.org/whl/cu113
conda install -c pytorch faiss-gpu cudatoolkit=11.3
pip install kornia==0.6.8
pip install tqdm
pip install pandas
pip install scikit-learn
```

## Usage

### (A) Data Preparation

To reproduce our results, download the CRC tissue characterization datasets used in our work:

+ Kather-16:
```bash
# Download
wget https://zenodo.org/record/53169/files/Kather_texture_2016_image_tiles_5000.zip
unzip Kather_texture_2016_image_tiles_5000.zip -d data/

# Split
python data/kather16.py --path_data_in data/Kather_texture_2016_image_tiles_5000

# Clean
rm -r data/Kather_texture_2016_image_tiles_5000
rm Kather_texture_2016_image_tiles_5000.zip
```

+ Kather-19:
```bash
# Download
wget https://zenodo.org/record/1214456/files/NCT-CRC-HE-100K.zip
unzip NCT-CRC-HE-100K.zip -d data/

# Split
python data/kather19.py --path_data_in data/NCT-CRC-HE-100K

# Clean
rm -r data/NCT-CRC-HE-100K
rm NCT-CRC-HE-100K.zip
```

+ CRCTP:
```
!! The CRCTP dataset is not publicly available anymore !!
```

### (B) Download Source Model

Download our source models following the google drive links below:

| Dataset | Open-Set Detection Method | Backbone | Download |
| --------|---------------------------|--------------|----------|
|Kather-16| CE+ | MobileNet-V2 | [ckpt](https://drive.google.com/drive/folders/1wApBoYhNW0V5mSjpfBVMNdZCzyU3hRPe?usp=drive_link) |
|Kather-19| CE+ | MobileNet-V2 | [ckpt](https://drive.google.com/drive/folders/1bghiqoZV9M4WVpD-ff-S-LEaGNHPUe6L?usp=drive_link) |
|CRCTP    | CE+ | MobileNet-V2 | [ckpt](https://drive.google.com/drive/folders/1eoJKl9cKC_s1-nqRH4ejCsgHT4Z588rk?usp=drive_link) |

If you wish to re-train or train models on your source dataset, use the [T3PO repo](https://github.com/agaldran/t3po) following their instructions.

### (C) Run Distill-SODA

Adapt the source model on the target data by distilling knowledge from a self-supervised ViT:

```bash
python main_distillsoda.py --data_path path/to/target_data \
        --experiment_dir path/to/saving_dir \
        --dataset_name dataset_name --split_idx split_idx --seed seed \
        --source_model_path /path/to/source_model \
        --sslvit_model_path /path/to/ssl_vit_model
```

Our method seamlessly integrates with popular public models, such as DINO (ViT-B/16). If you wish to leverage these models, you can easily copy the [weights](https://dl.fbaipublicfiles.com/dino/dino_vitbase16_pretrain/dino_vitbase16_pretrain_full_checkpoint.pth) to use them as a starting point for your experiments.

### (D) Run DINO+AdvStyle

In our work, we introduced DINO+AdvStyle, a novel style-based adversarial data augmentation. This technique serves as hard positives for self-training a ViT, leading to highly contextualized embeddings for the target dataset. The incorporation of DINO+AdvStyle significantly enhances the performance of Distill-SODA.
To leverage DINO+AdvStyle and self-train a pretrained ViT on the target dataset, run the following script:

```bash
wget https://dl.fbaipublicfiles.com/dino/dino_vitbase16_pretrain/dino_vitbase16_pretrain_full_checkpoint.pth
cp dino_vitbase16_pretrain_full_checkpoint.pth path/to/saving_dir/checkpoint.pth
python -m torch.distributed.launch --nproc_per_node=2 main_dinoadvstyle.py --arch vit_base --data_path path/to/target_data \
        --dataset_name dataset_name --output_dir path/to/saving_dir \
        --momentum_teacher 0.996 --warmup_epochs 0 --batch_size_per_gpu 16
```

This command initiates the self-training process, utilizing DINO+AdvStyle for robust and context-aware embeddings. The resulting pretrained ViT can be further employed in the Distill-SODA process in (See (C)), enhancing the adaptation on the target dataset. Note we used two NVIDIA GeForce GTX 1080 Ti for this experiment.

To reproduce our results, you can find the self-trained ViT checkpoints for the three utilized datasets below:

| Dataset | SSL Backbone | Download |
| --------|--------------|----------|
|Kather-16| ViT-B/16 | [ckpt](https://drive.google.com/drive/folders/1LS4MXO6BzaR1A31-1E8mzxFgAwwff4-B?usp=drive_link) |
|Kather-19| ViT-B/16 | [ckpt](https://drive.google.com/drive/folders/14Lpr_nJtsckxSwfZhTZF-UgJry-Aq8u4?usp=drive_link) |
|CRCTP    | ViT-B/16 | [ckpt](https://drive.google.com/drive/folders/11eXm09z876NBqgbfBNKyypVpBIn_b5FN?usp=drive_link) |

## Citation

```
@article{vray2024distill,
  title={Distill-SODA: Distilling Self-Supervised Vision Transformer for Source-Free Open-Set Domain Adaptation in Computational Pathology},
  author={Vray, Guillaume and Tomar, Devavrat and Bozorgtabar, Behzad and Thiran, Jean-Philippe},
  journal={IEEE Transactions on Medical Imaging},
  year={2024},
  publisher={IEEE}
}
```

## License

<a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-nd/4.0/88x31.png" /></a><br />This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/4.0/">Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License</a>.

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