An algorithm is presented which permits the reconstruction of SPECT images in the presence of spatially varying attenuation. The algorithm considers the spatially variant attenuation as a ...perturbation of the constant attenuation case and computes a reconstructed image and a correction image to estimate the effects of this perturbation. The corrected image will be computed from these two images and is of comparable quality both visually and quantitatively to those simulated for zero or constant attenuation taken as standard reference images. In addition, the algorithm is time efficient, in that the time required is approximately 2.5 times that for a standard convolution-back projection algorithm.
More history, less opinion Branson, Michael; Day, Harold; Bacharach, William H ...
Military history (Herndon, Va.),
07/2007, Letnik:
24, Številka:
5
Magazine Article
A Computer System for Clinical Nuclear Cardiology Bacharach, Stephen L.; Green, Michael V.; Borer, Jeffrey S. ...
Proceedings - Symposium on Computer Application in Medical Care,
11/1978
Journal Article
Studies in Early Islamic History Bates, Michael L.
Journal of the American Oriental Society,
07/1998, Letnik:
118, Številka:
3
Book Review, Journal Article
Recenzirano
Odprti dostop
"Studies in Early Islamic History" by Martin Hinds and edited by Jere Bacharach, Lawrence I. Conrad and Patricia Crone, with an introduction by G. R. Hawting.
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