Model-based 3D reconstruction of myocardial perfusion SPECT images

Y Dong, E Frey, Y Du - 2017 - Soc Nuclear Med
26 Objectives: Partial volume (PV) effects resulting from finite spatial resolution significantly
degrade the accuracy of activity quantification and left ventricle (LV) segmentation in the …

[PDF][PDF] Model-based Reconstruction of Myocardial Perfusion SPECT and PET Images

Y Dong - 2016 - jscholarship.library.jhu.edu
Myocardial perfusion imaging is an important noninvasive tool in the diagnosis and
prognosis of coronary artery disease, the leading cause of death in the United States …

Incorporation of cardiac deformation as a prior in the reconstruction of gated cardiac SPECT data

G Gullberg, TS Lee, B Tsui - 2011 - Soc Nuclear Med
153 Objectives This work is aimed at improving precision in the reconstruction of 4D gated
cardiac SPECT data using priors that model the deformation of the myocardium. Methods A …

Sci—Fri AM (1): Imaging—03: The Effects of Time Reduced Cardiac Spect Acquisition with Respect to Left Ventricle Quantitation Parameters Using a Dynamic Mass …

T Hughes, A Celler, S Shcherbinin, K Toennies… - Medical …, 2009 - Wiley Online Library
Introduction: With coronary artery disease being the leading cause of death worldwide, it is
essential to maximize the efficiency of its diagnosis, which routinely involves SPECT …

Development of a new python-based cardiac phantom for myocardial SPECT imaging

OS Hanafy, MM Khalil, IM Khater… - Annals of Nuclear …, 2021 - Springer
Purpose The aim of this work was to develop a digital dynamic cardiac phantom able to
mimic gated myocardial perfusion single photon emission computed tomography (SPECT) …

Realistic simulation of regional myocardial perfusion defects for cardiac SPECT studies

GSK Fung, TS Lee, T Higuchi, BMW Tsui… - … & Medical Imaging …, 2010 - ieeexplore.ieee.org
The current 3D XCAT phantom allows users to manually define the regional myocardial
perfusion defect (MPD) as a simple pie-shaped wedge region with reduced activity level in …

A quantitative evaluation study of four-dimensional gated cardiac SPECT reconstruction

M Jin, Y Yang, X Niu, T Marin, JG Brankov… - Physics in Medicine …, 2009 - iopscience.iop.org
In practice, gated cardiac SPECT images suffer from a number of degrading factors,
including distance-dependent blur, attenuation, scatter and increased noise due to gating …

Four-dimensional quantitative SPECT reconstruction methods for improved gated myocardial perfusion SPECT

BMWB Tsui, TS Lee, WP Segars - Journal of Nuclear …, 2005 - journalofnuclearcardiology.org
INTRODUCTION: Because combined PET/CT systems allow CT-based attenuation
correction (AC), the accuracy of CT-generated attenuation maps (AMs) can greatly influence …

Task-based human observer study for evaluation and optimization of 3D & 4D image reconstruction methods for gated myocardial perfusion SPECT

TS Lee, R Lautamaki, T Higuchi, F Bengel, B Tsui - 2009 - Soc Nuclear Med
524 Objectives The objective is to determine the optimal 4D image reconstruction method
and associate parameters for gated myocardial perfusion (GMP) SPECT using a task-based …

A new perfusion heart model for realistic simulation of myocardial perfusion defects

GSK Fung, W Segars, TS Lee, A Veress, G Gullberg… - 2010 - Soc Nuclear Med
476 Objectives We developed a new perfusion heart model and demonstrated its capability
to simulate realistic myocardial perfusion defect (MPD) based on the location and the …