THE STABILITY ANALYSIS OF DYNAMIC SPECT SYSTEMS

Authors
BORWEIN JM SUN W
Citation
Jm. Borwein et W. Sun, THE STABILITY ANALYSIS OF DYNAMIC SPECT SYSTEMS, Numerische Mathematik, 77(3), 1997, pp. 283-298
Citations number
10
Categorie Soggetti
Mathematics,Mathematics
Journal title
Numerische Mathematik → ACNP
ISSN journal
0029599X
Volume
77
Issue
3
Year of publication
1997
Pages
283 - 298
Database
ISI
SICI code
0029-599X(1997)77:3<283:TSAODS>2.0.ZU;2-N
Abstract
SPECT (Single Photon Emission Computed Tomography) techniques have bee n applied to a wide range of medical studies, The stability of a SPECT model depends strongly upon the data collected. We show that a SPECT model is full rank and well-conditioned (stable) if the projection dat a are large enough. Condition number estimates for a linear model are given. Numerical results for a class of linear models confirm our theo retical analysis.