Coil-based artifact reduction

D Atkinson; D J Larkman; P G Batchelor; D L G Hill; Jo Hajnal

doi:10.1002/mrm.20226

Coil-based artifact reduction

D Atkinson, D J Larkman, P G Batchelor, D L G Hill, Jo Hajnal

Research output: Contribution to journal › Article › peer-review

27 Citations (Scopus)

Abstract

Multiple MRI receiver coils provide extra information and can enable the reconstruction of multiple images using data from different combinations of coils. Comparison of these images shows that artifacts due to motion or flowing blood appear with different intensities due to the differing coil sensitivities. Typically, the artifact appears amplified in regions of low coil sensitivity. An optimization routine was developed to correct for the artifact by comparing reconstructions from various coil combinations and favoring a self-consistent solution. It is demonstrated that images artifacted by blood flowing in the aorta, or translational motion of the head, can be improved. (C) 2004 Wiley-Liss, Inc.

Original language	English
Pages (from-to)	825 - 830
Number of pages	6
Journal	Magnetic Resonance in Medicine
Volume	52
Issue number	4
DOIs	https://doi.org/10.1002/mrm.20226
Publication status	Published - Oct 2004

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10.1002/mrm.20226

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AU - Batchelor, P G

AU - Hill, D L G

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AB - Multiple MRI receiver coils provide extra information and can enable the reconstruction of multiple images using data from different combinations of coils. Comparison of these images shows that artifacts due to motion or flowing blood appear with different intensities due to the differing coil sensitivities. Typically, the artifact appears amplified in regions of low coil sensitivity. An optimization routine was developed to correct for the artifact by comparing reconstructions from various coil combinations and favoring a self-consistent solution. It is demonstrated that images artifacted by blood flowing in the aorta, or translational motion of the head, can be improved. (C) 2004 Wiley-Liss, Inc.

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Coil-based artifact reduction

Abstract

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