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. 2012 Nov 26;7(11):e48232. doi: 10.1371/journal.pone.0048232

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© 2012 Scherrer, Warfield

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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The DW-images for a single tensor with constant FA (FA = ) were simulated one hundred times for various tensor orientations (–) and for both CUSP and a multi-shell HARDI, corrupted by Rician noise (SNR on the : dB). We report the mean of the estimated FA for each angle, for CUSP-35 (a) and CUSP-65 (b). The average FA is compared to the average FA obtained when using MSSHELL-35 (MS35: 5 and three shells of gradients each at , , ) and MSSHELL-65 (MS65). The angular dependency of CUSP and of a multi-shell HARDI is similar.

Inline graphic — The DW-images for a single tensor with constant FA (FA = ) were simulated one hundred times for various tensor orientations (–) and for both CUSP and a multi-shell HARDI, corrupted by Rician noise (SNR on the : dB). We report the mean of the estimated FA for each angle, for CUSP-35 (a) and CUSP-65 (b). The average FA is compared to the average FA obtained when using MSSHELL-35 (MS35: 5 and three shells of gradients each at , , ) and MSSHELL-65 (MS65). The angular dependency of CUSP and of a multi-shell HARDI is similar.