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An optimal dimensionality multi-shell sampling scheme with accurate and efficient transforms for diffusion MRI

Bates, Alice; Khalid, Zubair; McEwen, Jason; Kennedy, Rodney


This paper proposes a multi-shell sampling scheme and corresponding transforms for the accurate reconstruction of the diffusion signal in diffusion MRI by expansion in the spherical polar Fourier (SPF) basis. The sampling scheme uses an optimal number of samples, equal to the degrees of freedom of the band-limited diffusion signal in the SPF domain, and allows for computationally efficient reconstruction. We use synthetic data sets to demonstrate that the proposed scheme allows for greater...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Conference paper
Source: Proceedings - International Symposium on Biomedical Imaging
DOI: 10.1109/ISBI.2017.7950632


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