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Magnetic Resonance in Medicine
Article . 2011 . Peer-reviewed
License: Wiley Online Library User Agreement
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Spectroscopic imaging with prospective motion correction and retrospective phase correction

Authors: Lange, Thomas; Maclaren, Julian; Büchert, Martin; Zaitsev, Maxim;

Spectroscopic imaging with prospective motion correction and retrospective phase correction

Abstract

AbstractMotion‐induced artifacts are much harder to recognize in magnetic resonance spectroscopic imaging than in imaging experiments and can therefore lead to erroneous interpretation. A method for prospective motion correction based on an optical tracking system has recently been proposed and has already been successfully applied to single voxel spectroscopy. In this work, the utility of prospective motion correction in combination with retrospective phase correction is evaluated for spectroscopic imaging in the human brain. Retrospective phase correction, based on the interleaved reference scan method, is used to correct for motion‐induced frequency shifts and ensure correct phasing of the spectra across the whole spectroscopic imaging slice. It is demonstrated that the presented correction methodology can reduce motion‐induced degradation of spectroscopic imaging data. Magn Reson Med, 2011. © 2011 Wiley‐Liss, Inc.

Country
Germany
Keywords

Magnetic Resonance Spectroscopy, Phantoms, Imaging, Brain, Reproducibility of Results, Image Enhancement, Magnetic Resonance Imaging, Sensitivity and Specificity, Motion, Imaging, Three-Dimensional, Image Interpretation, Computer-Assisted, Humans, Tissue Distribution, Artifacts

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    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.
    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).
    Top 10%
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 10%
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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!
24
Top 10%
Top 10%
Top 10%
bronze