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SNR Improvement of MR Phased Array Spectroscopy Signals (Abstract/Poster in atti di convegno)

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SNR Improvement of MR Phased Array Spectroscopy Signals (Abstract/Poster in atti di convegno) (literal)

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N. Martini 1, M. Milanesi 2, G. Giovannetti 3, D. De Marchi 2, V. Positano 2, L. Landini 4, and M. F. Santarelli 3 (2009)
SNR Improvement of MR Phased Array Spectroscopy Signals
in 17th Annual ISMRM Scientific Meeting and Exhibition 2009, Honolulu (Hawaii, USA), 18-24 April 2009
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N. Martini 1, M. Milanesi 2, G. Giovannetti 3, D. De Marchi 2, V. Positano 2, L. Landini 4, and M. F. Santarelli 3 (literal)

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In: ISMRM 2009 - ISMRM 17th Scientific Meeting & Exhibition (Honolulu (Hawaii, USA), 18-24 April 2009). Abstract, vol. 17 p. 4263. ISMRM, 2009. (literal)

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It is well known that surface coil arrays can increase the signal-to-noise ratio (SNR) in magnetic resonance spectroscopy (MRS) studies by performing a proper combination of the individual signals. Although it has been shown that electric and magnetic coupling mechanisms produce correlated noise in the coils [1], previous algorithms developed for MRS data combination have ignored this effect. In this work we describe a novel method for the combination of MRS signals acquired by a phased array coil taking into account possible noise correlations. Performance evaluation was carried out on simulated 1H-MRS signals and preliminary experimental results were obtained on phantom 1H-MR spectra. (literal)

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1 Interdepartmental Research Center \"E. Piaggio\", University of Pisa, Pisa, Italy, Italy, 2 Fondazione Toscana \"G. Monasterio\", Pisa, Italy, 3 Institute of Clinical Physiology, National Research Council, Pisa, Italy, 4 Deparment of Information Engineering, University of Pisa, Pisa, Italy (literal)

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