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Purpose
To develop new techniques for reducing the effects of microscopic and macroscopic patient motion in diffusion imaging acquired with high‐resolution multishot echo‐planar imaging.
Theory
The previously reported multiplexed sensitivity encoding (MUSE) algorithm is extended to account for macroscopic pixel misregistrations, as well as motion‐induced phase errors in a technique called augmented MUSE...
The inconsistency of k‐space trajectories results in Nyquist artifacts in echo‐planar imaging (EPI). Traditional techniques often only correct for phase errors along the frequency‐encoding direction (one‐dimensional correction), which may leave significant residual artifacts, particularly for oblique‐plane EPI or in the presence of cross‐term eddy currents. As compared with one‐dimensional correction,...
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