Diffusion Weighted MRI of Moving Subjects based on Motion-Induced Random Oversampling
Ali Gholipour 1 , Onur Afacan 1 , Benoit Scherrer 1 , Burak Erem 1 , and Simon K Warfield 1
Department of Radiology, Boston Children's
Hospital and Harvard Medical School, Boston,
Massachusetts, United States
An image based motion correction and reconstruction
approach has been developed for diffusion weighted
imaging of subjects that move continuously and
irregularly during scans. Subject motion poses random
sampling in image space and q-space. We purposely
perform oversampling to achieve sufficient coverage of
the image space and q-space under motion conditions.
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