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See Latest ArticlesMotion correction of single-voxel spectroscopy by independent component analysis applied to spectra from nonanesthetized pediatric subjects
Magnetic Resonance in Medicine, 10/08/09
Nijs RD et al. – Several automatic algorithms were investigated using a dataset of spectra from nonanesthetized infants with a gestational age of 40 weeks. Median filtering removed most subject movement artifacts, but at the cost of increased sensitivity to random noise. Neither independent component analysis nor outlier identification with multiple comparisons has this problem. These two algorithms are novel in this context. The peak height values of the metabolites were increased compared to the mean of all acquisitions for both methods, although primarily for the ICA method.
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