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Abstract #0539

Harnessing QA/QC protocols for diffusion MRI neuroimaging workflows with MRIQC

Teresa Gomez1, Yibei Chen2, Céline Provins3, Christopher J Markiewicz4, Ariel Rokem1, and Oscar Esteban3
1Dept. of Psychology and eScience Institute, University of Washington, Seattle, WA, United States, 2McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, MA, United States, 3Dept. of Radiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland, 4Dept. of Psychology, Stanford University, Stanford, CA, United States

Synopsis

Keywords: Software Tools, Software Tools, QA/QC

Motivation: Reliable neuroimaging pipelines require the implementation of robust QA/QC protocols.

Goal(s): Developing an extension of MRIQC for the QA/QC of diffusion MRI data.

Approach: We build on MRIQC's infrastructure to generate individual visual reports of dMRI images and define new image quality metrics (IQMs).

Results: We developed a minimal processing pipeline for whole-brain dMRI data of human adults. The processing pipeline generates individual visual reports for the QA of unprocessed inputs. The pipeline also extracts IQMs to train automated decision-making, following MRIQC's established pattern.

Impact: MRIQC is a widely-adopted tool for the QA/QC of unprocessed MRI data. However, support for dMRI was previously lacking. This MRIQC extension will improve QA/QC of dMRI by bringing it to the highest standards and will facilitate the implementation of rigorous protocols in multimodal neuroimaging.

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