258 lines
9.9 KiB
Markdown
258 lines
9.9 KiB
Markdown
## RETFound - A foundation model for retinal imaging
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Official repo including a series of foundation models and applications in retinal imaging.<br>
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`[RETFound-MAE]`:[RETFound: a foundation model for generalizable disease detection from retinal images](https://www.nature.com/articles/s41586-023-06555-x).<br>
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`[RETFound-DINOv2]`:[Revealing the Impact of Pre-training Data on Medical Foundation Models](https://www.researchsquare.com/article/rs-6080254/v1).<br>
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`[DINOv2]`:[General-purpose vision foundation models DINOv2](https://github.com/facebookresearch/dinov2).<br>
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`[DINOv3]`:[General-purpose vision foundation models DINOv3](https://github.com/facebookresearch/dinov3).<br>
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Please contact **ykzhoua@gmail.com** or **yukun.zhou.19@ucl.ac.uk** if you have questions.
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### 📝Key features
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- RETFound is pre-trained on 1.6 million retinal images with self-supervised learning
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- RETFound has been validated in multiple disease detection tasks
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- RETFound can be efficiently adapted to customised tasks
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### 🎉News
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- 🐉2025/09: **Benchmarking paper for DINOv3, DINOv2, and RETFound will come soon!**
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- 🐉2025/09: **We included state-of-the-art DINOv3 into fine-tuning pipeline for retinal applications!**
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- 🐉2025/02: **We organised the model weights on HuggingFace, no more manual downloads needed!**
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- 🐉2025/02: **Multiple [pre-trained weights](https://huggingface.co/YukunZhou), including MAE-based and DINOV2-based, are added!**
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- 🐉2025/02: **We update the version of packages, such as CUDA12+ and PyTorch 2.3+!**
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- 🐉2024/01: [Feature vector notebook](https://github.com/rmaphoh/RETFound_MAE/blob/main/latent_feature.ipynb) are now online!
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- 🐉2024/01: [Data split and model checkpoints](BENCHMARK.md) for public datasets are now online!
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- 🎄2023/12: [Colab notebook](https://colab.research.google.com/drive/1_X19zdMegmAlqPAEY0Ao659fzzzlx2IZ?usp=sharing) is now online - free GPU & simple operation!
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### 🔧Install environment
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1. Create environment with conda:
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```
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conda create -n retfound python=3.11.0 -y
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conda activate retfound
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```
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2. Install dependencies
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```
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pip install torch==2.5.1 torchvision==0.20.1 --index-url https://download.pytorch.org/whl/cu121
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git clone https://github.com/rmaphoh/RETFound/
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cd RETFound
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pip install -r requirements.txt
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```
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### 🌱Fine-tuning with RETFound weights
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To fine tune RETFound on your own data, follow these steps:
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1. Get access to the pre-trained models on HuggingFace (register an account and fill in the form) and go to step 2:
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<table><tbody>
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<!-- START TABLE -->
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<!-- TABLE HEADER -->
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<th valign="bottom"></th>
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<th valign="bottom">ViT-Large</th>
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<th valign="bottom">Source</th>
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<!-- TABLE BODY -->
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<tr><td align="left">RETFound_mae_natureCFP</td>
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<td align="center"><a href="https://huggingface.co/YukunZhou/RETFound_mae_natureCFP">access</a></td>
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<td align="center"><a href="https://www.nature.com/articles/s41586-023-06555-x">Nature RETFound paper</a></td>
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</tr>
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<!-- TABLE BODY -->
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<tr><td align="left">RETFound_mae_natureOCT</td>
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<td align="center"><a href="https://huggingface.co/YukunZhou/RETFound_mae_natureOCT">access</a></td>
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<td align="center"><a href="https://www.nature.com/articles/s41586-023-06555-x">Nature RETFound paper</a></td>
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</tr>
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<!-- TABLE BODY -->
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<tr><td align="left">RETFound_mae_meh</td>
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<td align="center"><a href="https://huggingface.co/YukunZhou/RETFound_mae_meh">access</a></td>
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<td align="center"><a href="https://www.researchsquare.com/article/rs-6080254/v1">FM data paper</a></td>
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</tr>
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<!-- TABLE BODY -->
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<tr><td align="left">RETFound_mae_shanghai</td>
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<td align="center"><a href="https://huggingface.co/YukunZhou/RETFound_mae_shanghai">access</a></td>
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<td align="center"><a href="https://www.researchsquare.com/article/rs-6080254/v1">FM data paper</a></td>
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</tr>
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<!-- TABLE BODY -->
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<tr><td align="left">RETFound_dinov2_meh</td>
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<td align="center"><a href="https://huggingface.co/YukunZhou/RETFound_dinov2_meh">access</a></td>
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<td align="center"><a href="https://www.researchsquare.com/article/rs-6080254/v1">FM data paper</a></td>
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</tr>
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<!-- TABLE BODY -->
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<tr><td align="left">RETFound_dinov2_shanghai</td>
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<td align="center"><a href="https://huggingface.co/YukunZhou/RETFound_dinov2_shanghai">access</a></td>
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<td align="center"><a href="https://www.researchsquare.com/article/rs-6080254/v1">FM data paper</a></td>
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</tr>
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</tbody></table>
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2. Login in your HuggingFace account, where HuggingFace token can be [created and copied](https://huggingface.co/settings/tokens).
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```
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huggingface-cli login --token YOUR_HUGGINGFACE_TOKEN
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```
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**Optional**: if your machine and server cannot access HuggingFace due to internet wall, run the command below (Do not run it if you can access):
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```
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export HF_ENDPOINT=https://hf-mirror.com
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```
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3. Organise your data into this directory structure (Public datasets used in this study can be [downloaded here](BENCHMARK.md))
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```
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├── data folder
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├──train
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├──class_a
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├──class_b
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├──class_c
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├──val
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├──class_a
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├──class_b
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├──class_c
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├──test
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├──class_a
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├──class_b
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├──class_c
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```
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4. If you would like to use DINOv2 and DINOv3, please visit their GitHub repositories to download the model weights and put them in the RETFound folder.
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4. Start fine-tuning by running `sh train.sh`.
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The model can be selected by changing the hyperparameters `MODEL`, `MODEL_ARCH`, `FINETUNE` in `train.sh`:
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**RETFound**:
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| MODEL | MODEL_ARCH | FINETUNE | SIZE |
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|-----------------|--------------------------|--------------------------|--------------------------|
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| RETFound_mae | retfound_mae | RETFound_mae_natureCFP | ~300M |
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| RETFound_mae | retfound_mae | RETFound_mae_natureOCT | ~300M |
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| RETFound_mae | retfound_mae | RETFound_mae_meh | ~300M |
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| RETFound_mae | retfound_mae | RETFound_mae_shanghai | ~300M |
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| RETFound_dinov2 | retfound_dinov2 | RETFound_dinov2_meh | ~300M |
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| RETFound_dinov2 | retfound_dinov2 | RETFound_dinov2_shanghai | ~300M |
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**DINOv3**:
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| MODEL | MODEL_ARCH | FINETUNE | SIZE |
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|-----------------|--------------------------|----------------------------------|--------------------------|
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| Dinov3 | dinov3_vits16 | dinov3_vits16_pretrain.pth | ~21M |
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| Dinov3 | dinov3_vits16plus | dinov3_vits16plus_pretrain.pth | ~29M |
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| Dinov3 | dinov3_vitb16 | dinov3_vitb16_pretrain.pth | ~86M |
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| Dinov3 | dinov3_vitl16 | dinov3_vitl16_pretrain.pth | ~300M |
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| Dinov3 | dinov3_vith16plus | dinov3_vith16plus_pretrain.pth | ~840M |
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| Dinov3 | dinov3_vit7b16 | dinov3_vit7b16_pretrain.pth | ~6.7B |
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**DINOv2**:
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| MODEL | MODEL_ARCH | FINETUNE | SIZE |
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|-----------------|--------------------------|------------------------------|--------------------------|
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| Dinov2 | dinov2_vits14 | dinov2_vits14_pretrain.pth | ~21M |
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| Dinov2 | dinov2_vitb14 | dinov2_vitb14_pretrain.pth | ~86M |
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| Dinov2 | dinov2_vitl14 | dinov2_vitl14_pretrain.pth | ~300M |
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| Dinov2 | dinov2_vitg14 | dinov2_vitg14_pretrain.pth | ~1.1B |
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```
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# ==== Model settings ====
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# adaptation {finetune,lp}
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ADAPTATION="finetune"
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MODEL="RETFound_dinov2"
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MODEL_ARCH="retfound_dinov2"
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FINETUNE="RETFound_dinov2_meh"
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# ==== Data settings ====
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# change the dataset name and corresponding class number
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DATASET="MESSIDOR2"
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NUM_CLASS=5
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data_path="./${DATASET}"
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task="${MODEL_ARCH}_${DATASET}_${ADAPTATION}"
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torchrun --nproc_per_node=1 --master_port=48766 main_finetune.py \
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--model "${MODEL}" \
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--model_arch "${MODEL_ARCH}" \
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--finetune "${FINETUNE}" \
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--savemodel \
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--global_pool \
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--batch_size 24 \
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--world_size 1 \
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--epochs 50 \
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--nb_classes "${NUM_CLASS}" \
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--data_path "${data_path}" \
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--input_size 224 \
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--task "${task}" \
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--adaptation "${ADAPTATION}"
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```
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4. For evaluation only (download data and model checkpoints [here](BENCHMARK.md); change the path below)
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```
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# ==== Model/settings (match training) ====
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ADAPTATION="finetune"
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MODEL="RETFound_dinov2"
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MODEL_ARCH="retfound_dinov2"
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FINETUNE="RETFound_dinov2_meh"
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# ==== Data/settings (match training) ====
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DATASET="MESSIDOR2"
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NUM_CLASS=5
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DATA_PATH="./${DATASET}"
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TASK="${MODEL_ARCH}_${DATASET}_${ADAPTATION}"
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# Path to the trained checkpoint (adjust if you saved elsewhere)
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CKPT="./output_dir/${TASK}/checkpoint-best.pth"
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# ==== Evaluation only ====
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torchrun --nproc_per_node=1 --master_port=48766 main_finetune.py \
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--model "${MODEL}" \
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--model_arch "${MODEL_ARCH}" \
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--savemodel \
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--global_pool \
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--batch_size 128 \
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--world_size 1 \
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--nb_classes "${NUM_CLASS}" \
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--data_path "${DATA_PATH}" \
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--input_size 224 \
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--task "${TASK}" \
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--adaptation "${ADAPTATION}" \
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--eval \
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--resume "${CKPT}"
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```
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### 📃Citation
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If you find this repository useful, please consider citing this paper:
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```
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TBD
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```
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```
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@article{zhou2023foundation,
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title={A foundation model for generalizable disease detection from retinal images},
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author={Zhou, Yukun and Chia, Mark A and Wagner, Siegfried K and Ayhan, Murat S and Williamson, Dominic J and Struyven, Robbert R and Liu, Timing and Xu, Moucheng and Lozano, Mateo G and Woodward-Court, Peter and others},
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journal={Nature},
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volume={622},
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number={7981},
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pages={156--163},
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year={2023},
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publisher={Nature Publishing Group UK London}
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}
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```
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