Theo Di Piazza
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license: cc-by-nc-4.0
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---
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license: cc-by-nc-4.0
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---
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### CT-Scroll: A Global-Local Attention Model for 3D Chest CT Volumes 🩺👨🏻⚕️
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Official hub for the paper "Imitating Radiological Scrolling: A Global-Local Attention Model for 3D Chest CT Volumes Multi-Label Anomaly Classification".
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Paper accepted for [MIDL](https://www.midl.io/) 2025 : [arXiv submission](https://arxiv.org/abs/2503.20652)
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## Method Overview
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The CT-Scroll architecture consists of three main components. (1) Axial slices of the volume are grouped into triplets and processed by a ResNet followed by a GAP layer, producing a vector representation per triplet. (2) The Scrolling Block then refines these embedded visual tokens using both global and local attention mechanisms. (3) Finally, the aggregated representations are fed into a classification head to predict anomalies.
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<img src="./figures/method_overview.jpg" width="1000">
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## Clone the Repository
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To clone this repository, use the following command:
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```bash
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git clone https://huggingface.co/theodp/ct-scroll
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```
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## Code repository
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The project source code can be found [here](https://github.com/theodpzz/ct-agrg).
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## Acknowledgments
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We acknowledge [Hamamci et al. 2024](http://arxiv.org/abs/2403.17834) for making the [CT-RATE dataset](https://huggingface.co/datasets/ibrahimhamamci/CT-RATE) available, and [Draelos et al. 2021](https://www.sciencedirect.com/science/article/pii/S1361841520302218) for making the [Rad-ChestCT dataset](https://zenodo.org/records/6406114) available. We would like to express our gratitude to [CT-CLIP GitHub repository](https://github.com/ibrahimethemhamamci/CT-CLIP) for providing a codebase that served as a foundation for this project.
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## Citation
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> [!IMPORTANT]
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> This project is based on the work by Di Piazza et al. If you use this code in your research, please cite the following paper:
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```BibTeX
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@inproceedings{dpzz2025ctscroll,
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author = {Di Piazza Theo, Carole Lazarus, Olivier Nempont and Loic Boussel},
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title = {Imitating Radiological Scrolling: A Global-Local Attention Model for 3D Chest CT Volumes Multi-Label Anomaly Classification},
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booktitle = {Proceedings of Medical Imaging with Deep Learning (MIDL)},
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year = {2025},
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organization = {MIDL},
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}
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```
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