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Abstract #0729

Open-Source MR Imaging Workflow

Marten Veldmann1, Philipp Ehses1, Kelvin Chow2, Maxim Zaitsev3, and Tony Stöcker1,4
1MR Physics, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany, 2MR R&D Collaborations, Siemens Medical Solutions USA Inc., Chicago, IL, United States, 3Department of Radiology - Medical Physics, University Medical Center Freiburg, Freiburg, Germany, 4Department of Physics & Astronomy, University of Bonn, Bonn, Germany

We demonstrate an open-source MR imaging workflow for MR sequence development and online image reconstruction. The open-source approach improves vendor-independent reproducibility of new or modified MR sequences and reconstruction algorithms. An extensible online reconstruction pipeline allows for fast evaluation of the acquired data on the scanner directly. The pipeline supports implementation of advanced open-source image reconstruction techniques and is not restricted to a specific sequence. We successfully implemented an open-source spiral sequence with Pulseq for execution at a 7T MR scanner. A non-Cartesian image reconstruction was done with the BART toolbox using GIRF trajectory prediction.

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