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Cited by 366

The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.

Q‐ball reconstruction of multimodal fiber orientations using the spherical harmonic basis

Hess, Christopher P., Mukherjee, Pratik, Han, Eric T., Xu, Duan, Vigneron, Daniel B.·2006·Magnetic Resonance in Medicine

Abstract

Diffusion tensor imaging (DTI) accurately delineates white matter pathways when the Gaussian model of diffusion is valid. However, DTI yields erroneous results when diffusion takes on a more complex distribution, as is the case in the brain when fiber tracts cross. High angular resolution diffusion imaging (HARDI) overcomes this limitation of DTI by more fully characterizing the angular dependence of intravoxel diffusion. Among the various HARDI methods that have been proposed, QBI offers advantages such as linearity, model independence, and relatively easy implementation. In this work, reconstruction of the q‐ball orientation distribution function (ODF) is reformulated in terms of spherical harmonic basis functions, yielding an analytic solution with useful properties of a frequency domain representation. The harmonic basis is parsimonious for typical b‐values, which enables the ODF to be synthesized from a relatively small number of noisy measurements and thus brings the technique closer to clinical feasibility from the standpoint of total imaging time. The proposed method is assessed using Monte Carlo computer simulations and compared with conventional q‐ball reconstruction using spherical RBFs. In vivo results from 3T whole‐brain HARDI of adult volunteers are also provided to verify the underlying mathematical theory. Magn Reson Med, 2006. © 2006 Wiley‐Liss, Inc.

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Metadata

Authors
Hess, C. P., Mukherjee, P., Han, E. T., Xu, D., & Vigneron, D. B.
Venue
Magnetic Resonance in Medicine
Publisher
Wiley
Published
2006-06-05
Volume
56
Issue
1
Pages
104-117
ISSN
  • 0740-3194 (ISSN-L)
  • 1522-2594
OpenAlex
W1984932365
Cited by
366
References
4
FWCI
21.91
Type
journal article
Language
en
Open access
closed

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