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Abstract #0960

Correction of 3D motion induced artifacts in multi-shot diffusion imaging using projection onto convex sets based multiplexed sensitivity-encoding MRI (POCSMUSE)

Mei-Lan Chu 1,2 , Shayan Guhaniyogi 1 , Hing-Chiu Chang 1 , and Nan-kuei Chen 1

1 Brain Imaging and Analysis Center, Duke University Medical Center, Durham, North Carolina, United States, 2 Graduate Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei, Taiwan

A new POCSMUSE method is developed to produce high-quality and artifact-free multi-shot DTI data in the presence of large-scale intrascan subject motion, using coil sensitivity profiles, in-plane and through-plane position measures, and segment-specific signal variations as constraints. The developed method can effectively remove artifacts originating from both in-plane and through-plane motion in multi-shot DTI data, and is generally compatible with different types of sampling trajectories

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