A review of partial volume correction techniques for emission tomography and their applications in neurology, cardiology and oncology

K Erlandsson, I Buvat, PH Pretorius… - Physics in Medicine …, 2012 - iopscience.iop.org
Accurate quantification in PET and SPECT requires correction for a number of physical
factors, such as photon attenuation, Compton scattering and random coincidences (in PET) …

Iterative reconstruction algorithms in nuclear medicine

S Vandenberghe, Y D'Asseler, R Van de Walle… - … medical imaging and …, 2001 - Elsevier
Iterative reconstruction algorithms produce accurate images without streak artifacts as in
filtered backprojection. They allow improved incorporation of important corrections for image …

Image reconstruction—a tutorial

GL Zeng - Computerized medical imaging and graphics, 2001 - Elsevier
Image reconstruction — a tutorial - ScienceDirect Skip to main contentSkip to article Elsevier logo
Journals & Books Search RegisterSign in View PDF Download full issue Search ScienceDirect …

Human-observer receiver-operating-characteristic evaluation of attenuation, scatter, and resolution compensation strategies for 99mTc myocardial perfusion imaging

MV Narayanan, MA King, PH Pretorius… - Journal of Nuclear …, 2003 - Soc Nuclear Med
Nonuniform attenuation, scatter, and distance-dependent resolution are confounding factors
inherent in SPECT imaging. Iterative reconstruction algorithms permit modeling and …

[PDF][PDF] Attenuation, scatter, and spatial resolution compensation in SPECT

MA King, SJ Glick, PH Pretorius, RG Wells… - … : the fundamentals of …, 2004 - nucmedinfo.com
Data acquisition for the case of ideal SPECT imaging is illustrated in Figure 1, which
portrays a single-headed gamma camera imaging a source distribution f (x, y) at a rotation …

A slice-by-slice blurring model and kernel evaluation using the Klein-Nishina formula for 3D scatter compensation in parallel and converging beam SPECT

C Bai, GL Zeng, GT Gullberg - Physics in Medicine & Biology, 2000 - iopscience.iop.org
Converging collimation increases the geometric efficiency for imaging small organs, such as
the heart, but also increases the difficulty of correcting for the physical effects of attenuation …

Resolution-recovery-embedded image reconstruction for a high-resolution animal SPECT system

N Zeraatkar, S Sajedi, MH Farahani, H Arabi, S Sarkar… - Physica Medica, 2014 - Elsevier
Abstract The small-animal High-Resolution SPECT (HiReSPECT) is a dedicated dual-head
gamma camera recently designed and developed in our laboratory for imaging of murine …

Markov random field and Gaussian mixture for segmented MRI-based partial volume correction in PET

A Bousse, S Pedemonte, BA Thomas… - Physics in Medicine …, 2012 - iopscience.iop.org
In this paper we propose a segmented magnetic resonance imaging (MRI) prior-based
maximum penalized likelihood deconvolution technique for positron emission tomography …

Slab-by-slab blurring model for geometric point response correction and attenuation correction using iterative reconstruction algorithms

C Bai, GL Zeng, GT Gullberg… - IEEE Transactions on …, 1998 - ieeexplore.ieee.org
The distance-dependent geometric point response of a single photon emission computed
tomography (SPECT) system and the attenuation effect of photons passing through the …

[HTML][HTML] Prospective multicenter evaluation of rapid, gated SPECT myocardial perfusion upright imaging

J Maddahi, R Mendez, JJ Mahmarian, G Thomas… - Journal of nuclear …, 2009 - Elsevier
Background A novel three-dimensional (3D) iterative image reconstruction method (3D-
OSEM) has been developed that in phantom studies yielded comparable image quality at …