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Repository for 'Automatic Skull Defect Restoration and Cranial Implant Generation for Cranioplasty'. Skull Shape Completion Using Deep Learning (High resolution Volumetric Shape Completion)

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Automatic Skull Defect Restoration and Cranial Implant Generation for Cranioplasty [Bibtex][paper]

Appendix Information can be found HERE

A client-server based web application for automatic implant generation (Project page)

Demo Site Youtube Tutorial
Studierfenster Skull Shape Reconstruction

patch-wise skull shape completion

The deep learning model is trained to perform the following actions:

1. scan the entire skull in a (3D) patch-wise manner
2. if patch contains no defected region:
3.     output the input
4. if patch contains the defected region:
5.     output the input and the missing part 
6. scan complete
7. patch stitched together
8. output: completed skull

example

patch-wise direct implant generation

The missing part (i.e., the implant) can also be predicted directly without reconstructing the original skull, if the deep learning models are trained with the implants as the ground truth.

1. scan the entire skull in a (3D) patch-wise manner
2. if patch contains no defected region:
3.     output an empty (all 0) patch 
4. if patch contains the defected region:
5.     output only the missing part 
6. scan complete
7. patch stitched together
8. output:  implant

example

interpretation of learnt features for volumetric shape completion (Interpretable Deep Learning)

For better visualization, the 3D patch as well as the 3D feature maps are projected into a 2D plane. We observe that the features learnt by a deep learning model for the volumetric shape completion task are interpretable and consistent/stable. The good interpretibility is large due to the lightweight nature (binary, sparse) of the skull data.

example

Reference

If you find our repository useful or use the codes for your research, please use the following bibtex entry for reference of our work:

@article{li2021automatic,
  title={Automatic Skull Defect Restoration and Cranial Implant Generation for Cranioplasty},
  author={Li, Jianning and von Campe, Gord and Pepe, Antonio and Gsaxner, Christina and Wang, Enpeng and Chen, Xiaojun and Zefferer, Ulrike and T{\"o}dtling, Martin and Krall,     Marcell and Deutschmann, Hannes and others},
  journal={Medical Image Analysis},
  pages={102171},
  year={2021},
  publisher={Elsevier}
}

Contact

Jianning Li (jianningli.me [at] gmail [dot] com)

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Repository for 'Automatic Skull Defect Restoration and Cranial Implant Generation for Cranioplasty'. Skull Shape Completion Using Deep Learning (High resolution Volumetric Shape Completion)

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