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Title: Frequency-selective quantitation of short-echo time H-1 magnetic resonance spectra
Authors: Poullet, Jean-Baptiste ×
Sima, Diana
Van Huffel, Sabine
Van Hecke, Paul #
Issue Date: Jun-2007
Publisher: Academic Press
Series Title: Journal of Magnetic Resonance vol:186 issue:2 pages:293-304
Abstract: Accurate and efficient filtering techniques are required to suppress large nuisance components present in short-echo time magnetic resonance (MR) spectra. This paper discusses two powerful filtering techniques used in long-echo time MR spectral quantitation, the maximum-phase FIR filter (MP-FIR) and the Hankel-Lanczos Singular Value Decomposition with Partial ReOrthogonalization (HLSVD-PRO), and shows that they can be applied to their more complex short-echo time spectral counterparts. Both filters are validated and compared through extensive simulations. Their properties are discussed. In particular, the capability of MP-FIR for dealing with macromolecular components is emphasized. Although this property does not make a large difference for long-echo time MR spectra, it can be important when quantifying short-echo time spectra. (c) 2007 Elsevier Inc. All rights reserved.
URI: 
ISSN: 1090-7807
Publication status: published
KU Leuven publication type: IT
Appears in Collections:ESAT - STADIUS, Stadius Centre for Dynamical Systems, Signal Processing and Data Analytics
Radiology
× corresponding author
# (joint) last author

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