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- Title
Spiral readout gradients for the reduction of motion artifacts in chemical shift imaging.
- Authors
Kim, Dong-Hyun; Adalsteinsson, Elfar; Spielman, Daniel M.
- Abstract
A motion artifact reduction method for proton chemical shift imaging (CSI) is presented. The method uses spiral-based readout gradients for data acquisition. A characteristic of spiral-based readout gradients is that data are repeatedly sampled at the k xy origin. These data points are used to estimate and correct for motion-induced phase variations. Both phantom and in vivo spectra reconstructed using the new motion artifact reduction algorithm showed significant signal-to-noise ratio (SNR) improvements as compared to uncorrected data. Magn Reson Med 51:458-463, 2004. © 2004 Wiley-Liss, Inc.
- Publication
Magnetic Resonance in Medicine, 2004, Vol 51, Issue 3, p458
- ISSN
0740-3194
- Publication type
Article
- DOI
10.1002/mrm.20004