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Linear closed-form methods for ideal-sinogram estimation in 2D SPECT

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2 Author(s)
Pan, X. ; Dept. of Radiol., Chicago Univ., IL, USA ; Metz, C.E.

We derived explicit relationships between the ideal sinogram and the sinogram degraded by both attenuation and distance-dependent spatial resolution in 2D SPECT that is described by either a Cauchy or a Gaussian function. Attempts to reduce the statistical variance in the reconstructed image lead to the development of infinite classes of closed-form methods for estimation of the ideal sinogram. These methods were applied in both computer-simulation and real-data studies

Published in:

Nuclear Science Symposium, 1996. Conference Record., 1996 IEEE  (Volume:3 )

Date of Conference:

2-9 Nov 1996

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