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Cited by 533

The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.

Comprehensive approach for correction of motion and distortion in diffusion‐weighted MRI

Open access
Rohde, G.K., Barnett, A.S., Basser, P.J., Marenco, S., Pierpaoli, C.·2004·Magnetic Resonance in Medicine

Abstract

Patient motion and image distortion induced by eddy currents cause artifacts in maps of diffusion parameters computed from diffusion‐weighted (DW) images. A novel and comprehensive approach to correct for spatial misalignment of DW imaging (DWI) volumes acquired with different strengths and orientations of the diffusion sensitizing gradients is presented. This approach uses a mutual information‐based registration technique and a spatial transformation model containing parameters that correct for eddy current‐induced image distortion and rigid body motion in three dimensions. All parameters are optimized simultaneously for an accurate and fast solution to the registration problem. The images can also be registered to a normalized template with a single interpolation step without additional computational cost. Following registration, the signal amplitude of each DWI volume is corrected to account for size variations of the object produced by the distortion correction, and the b‐matrices are properly recalculated to account for any rotation applied during registration. Both qualitative and quantitative results show that this approach produces a significant improvement of diffusion tensor imaging (DTI) data acquired in the human brain. Magn Reson Med 51:103–114, 2004. Published 2003 Wiley‐Liss, Inc.

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Metadata

Authors
Rohde, G. K., Barnett, A. S., Basser, P. J., Marenco, S., & Pierpaoli, C.
Venue
Magnetic Resonance in Medicine
Publisher
Wiley
Published
2003-12-29
Volume
51
Issue
1
Pages
103-114
ISSN
  • 0740-3194 (ISSN-L)
  • 1522-2594
OpenAlex
W2138764991
Cited by
533
References
3
FWCI
7.50
Type
journal article
Language
en
Open access
hybrid

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