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RA_FA_Cardiac

Disentangled Representations for Domain-generalized Cardiac Segmentation [Paper]. In M&Ms Challenge of STACOM 2020.

The repository is created by Xiao Liu, Spyridon Thermos, Agisilaos Chartsias, Alison O'Neil, and Sotirios A. Tsaftaris, as a result of the collaboration between The University of Edinburgh and Canon Medical Systems Europe.

This repository contains the official PyTorch implementation of the Resolution Augmentation (RA) and Factor-based Augmentation (FA) methods proposed in the paper.

System Requirements

  • Pytorch 1.5.1 or higher with GPU support
  • Python 3.7.2 or higher
  • SciPy 1.5.2 or higher
  • tqdm
  • logging
  • CUDA toolkit 10 or newer

SDNet

In this repository, we train a SDNet [code], [paper] with our proposed Resolution Augmentation and Factor-based Augmentation in a semi-supervised manner.

Resolution Augmentation

We propose to use random resampling to augment the original dataset such that the resolutions of all the data are equally distributed in a certain range.

Factor-based Augmentation

We first pre-train a SDNet model to extract the anatomy and modality factors. Then mix the anatomy and modality factors to generate new images.

Usage

To train the model, run the following command:

python train.py -e 50 -bs 4 -g 0

Citation

If you find our method useful please cite the following paper:

@article{liu2020disentangled,
  title={Disentangled Representations for Domain-generalized Cardiac Segmentation},
  author={Liu, Xiao and Thermos, Spyridon and Chartsias, Agisilaos and O'Neil, Alison and Tsaftaris, Sotirios A},
  journal={arXiv preprint arXiv:2008.11514},
  year={2020}
}

License

All scripts are released under the MIT License.

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