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Abstract #4733

Towards reproducible perivascular space quantification: an open-source perivascular space segmentation benchmark

Merel M. van der Thiel1,2, Eva M. van Heese3,4, Britt T.J. van den Heuvel1, Valery Molina5, Maria C. Jaramillo5, Jacobus F.A. Jansen1,2,6, and Jose Bernal7,8
1Department of Radiology & Nuclear Medicine, Maastricht University Medical Center, Maastricht, Netherlands, 2Mental Health and Neuroscience Research Institute, Maastricht University, Maastricht, Netherlands, 3Department of Anatomy and Neurosciences, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands, 4Amsterdam Neuroscience, Neurodegeneration, Amsterdam, Netherlands, 5Multimedia and Computer Vision Group, Universidad del Valle, Cali, Colombia, 6Department of Electrical Engineering, Eindhoven University of Technology, Eindhoven, Netherlands, 7Institute of Cognitive Neurology and Dementia Research, Otto-von-Guericke University, Magdeburg, Germany, 8German Centre for Neurodegenerative Diseases (DZNE), Magdeburg, Germany

Synopsis

Keywords: Neurofluids, Segmentation, Reproducible science, Perivascular spaces

Motivation: The lack of open-source perivascular space (PVS) segmentation code hampers reproducible research, leading to redundant efforts, and hindering broader implementation of PVS segmentation.

Goal(s): To create an open-source PVS segmentation benchmark.

Approach:
Phase 1: We engaged the PVS research community to contribute code to our open-source repository. We are currently collecting, verifying, and containerizing code submissions.
Phase 2: We plan to compare submitted code against each other and a manually segmented ground truth benchmark. Our goal is to develop community guidelines based on input data.

Results: We have received several code contributions and have issued an open call for more submissions.

Impact: The efforts of the PVS repository team will establish an open-source platform for software code related to PVS quantification, minimizing duplicate development, enhancing reproducibility, and providing a benchmark for future development and comparison of segmentation methods.

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Keywords