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Spectral localization of arbitrarily shaped regions of interest (SLASH) using single voxel signals
Z Wang1, R Reddy, J C Haselgrove
1Department of Radiology, University of Pennsylvania, Philadelphia 19104.
Magnetic Resonance Imaging
|January 1, 1993
Abstract:
A method for obtaining localized spectra from arbitrarily shaped regions of interest is described. When a sample consists of homogeneous compartments or domains, spectra localized in each compartment can be obtained from signals of single voxels with regular shapes by solving a set of simultaneous linear equations. Experimental demonstrations on a phantom and on human brain in vivo for a two compartment, two voxel case are presented. The issue of signal-to-noise ratio is also discussed.