Nonuniform attenuation correction using simultaneous transmission and emission converging tomography

CH Tung, GT Gullberg, GL Zeng… - IEEE transactions on …, 1992 - ieeexplore.ieee.org
Photon attenuation in cardiac single photon emission computed tomography (SPECT) is a
major factor contributing to the quantitative inaccuracy and the decrease in specificity of …

[PDF][PDF] Correction of nonuniform attenuation in cardiac SPECT imaging

BMW Tsui, GT Gullberg, ER Edgerton… - Journal of Nuclear …, 1989 - Soc Nuclear Med
J Nuci Med 30: 497— 507, 1989 hile single photon emission computed tomogra phy
(SPECT) imaging has become a routine clinical procedure in nuclear medicine, the problem …

Implementation of simultaneous attenuation and detector response correction in SPECT

BMW Tsui, HB Hu, DR Gilland… - IEEE Transactions on …, 1988 - ieeexplore.ieee.org
Simultaneous correction of nonuniform attenuation and detector response was implemented
in single-photon-emission computed tomography (SPECT) image reconstruction. A ray …

Attenuation correction and incomplete projection in single photon emission computed tomography

LT Chang - IEEE Transactions on Nuclear Science, 1979 - ieeexplore.ieee.org
Correction for internal γ-ray absorption is an important aspect in single photon emission
computed tomography. An algorithm has been developed to compensate for the effect of …

[PDF][PDF] Improved SPECT using simultaneous emission and transmission tomography

DL Bailey, BF Hutton, PJ Walker - Journal of nuclear medicine, 1987 - Soc Nuclear Med
A methodis proposedto simultaneouslyrecordsinglephotonemission… transmission
tomographic (SPECT) studiesto producea mapof attenuationcoefficients (@@) for the body …

An evaluation of maximum likelihood reconstruction for SPECT

ES Chornoboy, CJ Chen, MI Miller… - … on Medical Imaging, 1990 - ieeexplore.ieee.org
A reconstruction method for SPECT (single photon emission computerized tomography) that
uses the maximum likelihood (ML) criterion and an iterative expectation-maximization (EM) …

Implementation and evaluation of an analytical solution to the photon attenuation and nonstationary resolution reconstruction problem in SPECT

EJ Soares, CL Byrne, SJ Glick… - … on Nuclear Science, 1993 - ieeexplore.ieee.org
The implementation and evaluation of an analytical solution to the photon attenuation and
nonstationary resolution reconstruction problem in single photon emission computed …

Investigation of the use of X-ray CT images for attenuation compensation in SPECT

KJ LaCroix, BMW Tsui, BH Hasegawa… - IEEE Transactions on …, 1994 - ieeexplore.ieee.org
This study investigates the general use of single-beam X-ray computed tomography (CT)
images for generating attenuation maps for compensation of photon attenuation in SPECT …

Attenuation compensation for cardiac single-photon emission computed tomographic imaging: Part 2. Attenuation compensation algorithms

MA King, BMW Tsui, TS Pan, SJ Glick… - Journal of nuclear …, 1996 - Springer
Attenuation is believed to be one of the major causes of false-positive cardiac single-photon
emission computed tomographic perfusion images. This article provides an introduction to …

Quantitative SPECT reconstruction using CT-derived corrections

K Willowson, DL Bailey, C Baldock - Physics in Medicine & …, 2008 - iopscience.iop.org
A method for achieving quantitative single-photon emission computed tomography (SPECT)
based upon corrections derived from x-ray computed tomography (CT) data is presented. A …