PyASL: Composite Python Library for ASL Image Processing

PyASL is an open-source Python library for processing arterial spin labeling (ASL) MRI data, developed under the Google Summer of Code (GSoC) program for the ISMRM OSIPI Task Force 2.2.

It integrates multiple community-validated ASL tools, originally in MATLAB, and supports both human and preclinical pipelines. PyASL includes modules for ASL-MRICloud, ASLtbx, DL-ASL, Oxford ASL, preclinical multi-TI PASL, and preclinical pCASL, harmonized with ASL-BIDS input format.

Links

📦 PyPI: https://pypi.org/project/pyasl-osipi/
🧑‍💻 GitHub: https://github.com/OSIPI/TF2.2_OSIPI-ASL-toolbox/tree/main/PyASL

Citation

This library is part of the ISMRM 2025 submission: ISMRM Open Science Initiative for Perfusion Imaging (OSIPI): Composite Python Library for ASL Image Processing

License

Licensed under the MIT License. See the LICENSE file for details.

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