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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