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Abstract #1725

Subsampling Diffusion Gradients via Poisson Sphere Elimination

Ye Wu1, Sahar Ahmad1, Lei Ma1, Erkun Yang1, and Pew-Thian Yap1
1Biomedical Research Imaging Center, University of North Carolina, Chapel Hill, Chapel Hill, NC, United States

Subsampling from a set of diffusion gradient directions is useful for evaluation of image acquisition and reconstruction strategies. However, a challenge associated with gradient subsampling is the requirement to ensure uniform distribution of a predetermined number of subsampled directions. Here, we introduce a method for near-uniform subsampling for an arbitrary target number of gradient directions.

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