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README.md
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# XPDNet-brain-af4
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This model was used to achieve the 2nd highest submission in terms of PSNR on the fastMRI dataset (see https://fastmri.org/leaderboards/).
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It is a base model for acceleration factor 4.
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The model uses 25 iterations and a medium MWCNN.
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For more details, see https://arxiv.org/abs/2010.07290.
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Please cite the work above if you use this model.
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# XPDNet-brain-af4
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---
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tags:
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- TensorFlow
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- MRI reconstruction
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datasets:
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- fastMRI
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---
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This model was used to achieve the 2nd highest submission in terms of PSNR on the fastMRI dataset (see https://fastmri.org/leaderboards/).
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It is a base model for acceleration factor 4.
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The model uses 25 iterations and a medium MWCNN.
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## Model description
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For more details, see https://arxiv.org/abs/2010.07290.
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This section is WIP.
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## Intended uses and limitations
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This model can be used to reconstruct brain data from Siemens scanner at acceleration factor 4.
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It was shown [here](https://arxiv.org/abs/2106.00753), that it can generalize well, although further tests are required.
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## How to use
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This model can be loaded using the following repo: https://github.com/zaccharieramzi/fastmri-reproducible-benchmark
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The framework is TensorFlow.
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Example notebooks and detailed use guides are WIP.
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## Limitations and bias
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The limitations and bias of this model have not been properly investigated.
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## Training data
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This model was trained using the [fastMRI dataset](https://fastmri.org/dataset/).
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## Training procedure
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The training procedure is described in https://arxiv.org/abs/2010.07290.
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This section is WIP.
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## Evaluation results
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On the fastMRI validation dataset
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| Contrast | T1 | T2 | FLAIR | T1-POST |
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|----------|--------|--------|--------|---------|
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| PSNR | 41.56 | 40.68 | 39.60 | 42.53 |
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| SSIM | 0.9506 | 0.9554 | 0.9321 | 0.9683 |
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Further results can be seen on the fastMRI leaderboards for the test and challenge dataset: https://fastmri.org/leaderboards/
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