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Journal of Magnetic Resonance Imaging
Article . 2012 . Peer-reviewed
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Journal of Magnetic Resonance Imaging
Article . 2013 . Peer-reviewed
License: Wiley Online Library User Agreement
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Correction of eddy current distortions in high angular resolution diffusion imaging

Authors: Jiancheng, Zhuang; Zhong-Lin, Lu; Christine Bouteiller, Vidal; Hanna, Damasio;

Correction of eddy current distortions in high angular resolution diffusion imaging

Abstract

AbstractPurpose:To correct distortions caused by eddy currents induced by large diffusion gradients during high angular resolution diffusion imaging without any auxiliary reference scans.Materials and Methods:Image distortion parameters were obtained by image coregistration, performed only between diffusion‐weighted images with close diffusion gradient orientations. A linear model that describes distortion parameters (translation, scale, and shear) as a function of diffusion gradient directions was numerically computed to allow individualized distortion correction for every diffusion‐weighted image.Results:The assumptions of the algorithm were successfully verified in a series of experiments on phantom and human scans. Application of the proposed algorithm in high angular resolution diffusion images markedly reduced eddy current distortions when compared to results obtained with previously published methods.Conclusion:The method can correct eddy current artifacts in the high angular resolution diffusion images, and it avoids the problematic procedure of cross‐correlating images with significantly different contrasts resulting from very different gradient orientations or strengths. J. Magn. Reson. Imaging 2013;37:1460–1467. © 2012 Wiley Periodicals, Inc.

Related Organizations
Keywords

Male, Brain, Reproducibility of Results, Image Enhancement, Sensitivity and Specificity, Young Adult, Diffusion Magnetic Resonance Imaging, Image Interpretation, Computer-Assisted, Humans, Female, Artifacts, Algorithms

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    popularity
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    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
10
Top 10%
Top 10%
Average
bronze