A Unified Framework for Foreground and Anonymization Area Segmentation in CT and MRI Data

Michal Nohel, Constantin Ulrich, Jonathan Suprijadi, Tassilo Wald, Klaus Maier-Hein
1/8/2025
eess.IVcs.CV

Official code: MIC-DKFZ/Foreground-and-Anonymization-Area-Segmentation (5 stars, last commit 2025-01-20).

Abstract

This study presents an open-source toolkit to address critical challenges in preprocessing data for self-supervised learning (SSL) for 3D medical imaging, focusing on data privacy and computational efficiency. The toolkit comprises two main components: a segmentation network that delineates foreground regions to optimize data sampling and thus reduce training time, and a segmentation network that identifies anonymized regions, preventing erroneous supervision in reconstruction-based SSL methods. Experimental results demonstrate high robustness, with mean Dice scores exceeding 98.5 across all anonymization methods and surpassing 99.5 for foreground segmentation tasks, highlighting the efficacy of the toolkit in supporting SSL applications in 3D medical imaging for both CT and MRI images. The weights and code is available at https://github.com/MIC-DKFZ/Foreground-and-Anonymization-Area-Segmentation.

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Cite this paper

@article{nohel2025unified,
  title  = {A Unified Framework for Foreground and Anonymization Area Segmentation in CT and MRI Data},
  author = {Michal Nohel and Constantin Ulrich and Jonathan Suprijadi and Tassilo Wald and Klaus Maier-Hein},
  year   = {2025},
  eprint = {2501.04361},
  archivePrefix = {arXiv},
  url    = {http://arxiv.org/abs/2501.04361v1}
}

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