A reconstruction method for SPECT (single photon emission computerized tomography) that
uses the maximum likelihood (ML) criterion and an iterative expectation-maximization (EM) …

A restoration scheme for single photon emission computed tomography (SPECT) images
that performs restoration before reconstruction (preconstruction restoration) from planar …

An algorithm compensating the deterministic effects of photon attenuation, scattering, and
collimator divergence associated with quantitative SPECT (single-photon-emission …

Quantitative single photon emission computed tomography (SPECT) requires that the
reconstructed cross sectional images have accurate intensity values. The major problem …

The effects of scatter and attenuation on single photon emission computed tomography
(SPECT) images can be analyzed with the aid of sophisticated Monte Carlo simulation …

A method is developed to improve quantitation in single-photon-emission computed
tomography (SPECT) imaging by using an attenuation compensation method that includes …

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 …

Almost all systems available for performing single photon emission computed tomography
(SPECT) reconstruct images by filtered backprojection, and perform some kind of …

A fast approach to including attenuation in iterative maximum-likelihood and least-squares
algorithms for single-photon-emission computed tomography (SPECT) is presented. Ray …

In single photon emission computed tomography (SPECT), every reconstruction algorithm
must use some model for the response of the gamma camera to emitted gamma-rays. The …