Dedicated cardiac SPECT imaging with multi-pinhole collimators on a clinical scanner

H Liu, T Ma, J Wu, S Chen, S Wang, Z Wu, Y Xia, Y Liu - 2016 - Soc Nuclear Med
1951 Objectives Cardiac imaging with parallel-hole SPECT has suffered from low resolution
and sensitivity. This work aimed to develop dedicated cardiac imaging functionality on a …

Development of stationary dedicated cardiac SPECT with multi-pinhole collimators on a clinical scanner

H Liu, J Wu, S Chen, S Wang, Y Liu… - 2015 IEEE nuclear …, 2015 - ieeexplore.ieee.org
The existing SPECT system for nuclear cardiac imaging suffered from low sensitivity or high
cost. In this study we implemented a novel design of the stationary dedicated cardiac SPECT …

Feasibility studies of a high sensitivity, stationary dedicated cardiac SPECT with multi-pinhole collimators on a clinical dual-head scanner

H Liu, S Wang, T Ma, J Wu, S Chen… - 2014 IEEE Nuclear …, 2014 - ieeexplore.ieee.org
In this study we proposed a novel design of the stationary multi-pinhole dedicated cardiac
SPECT based on clinical dual-head scanner with high sensitivity and low cost for nuclear …

Performance Evaluation of stationary dedicated cardiac SPECT with multi-pinhole collimators: Comparison with conventional SPECT and CZT SPECT

H Wang, F Guo, X Wang, Z Zhang, D Wang, Y Xu, Y Liu… - 2018 - Soc Nuclear Med
513 Objectives: The conventional low-energy high-resolution (LEHR) parallel-hole SPECT
for nuclear cardiac imaging suffered from low sensitivity and spatial resolution. We designed …

Impact of truncation to the reconstruction with a small number of projections

Y Mao, GL Zeng - 2012 IEEE Nuclear Science Symposium and …, 2012 - ieeexplore.ieee.org
Dedicated cardiac SPECT systems have the advantage of high speed and sensitivity at no
loss or even a gain in resolution. The purpose of this paper is to investigate segmented …

A few planar detectors collimated by multiple pinholes for cardiac SPECT imaging

Q Huang, Y Seo, J Bowen, R Boutchko, G Gullberg - 2009 - Soc Nuclear Med
406 Objectives The objective of this work was to study the necessary angular sampling for a
cardiac SPECT system with stationary planar detectors placed at a few angular positions …

Evaluation of multipinhole collimators for cardiac SPECT

T Funk, B Hasegawa - 2007 - Soc Nuclear Med
550 Objectives: Multipinhole (MP) collimators are used as an alternative to parallel hole
collimators for high efficiency myocardial perfusion SPECT imaging. However, MP SPECT …

Geometric calibration and image reconstruction for a segmented slant-hole stationary cardiac SPECT system

Y Mao, Z Yu, GL Zeng - Journal of nuclear medicine technology, 2015 - Soc Nuclear Med
A dedicated stationary cardiac single-photon emission computed tomography (SPECT)
system with a novel segmented slant-hole collimator has been developed. The goal of this …

Optimal collimator design for cardiac SPECT when resolution recovery is applied in statistical reconstruction

A Sohlberg, H Watabe, H Iida - 2007 - Soc Nuclear Med
1756 Objectives: The quality of single-photon emission computed tomography is heavily
dependent on the collimator design, which is always a trade-off between resolution and …

A novel approach to multipinhole SPECT for myocardial perfusion imaging

T Funk, DL Kirch, JE Koss, E Botvinick… - Journal of Nuclear …, 2006 - Soc Nuclear Med
Myocardial perfusion imaging with SPECT remains critically important for diagnosing,
assessing, and evaluating treatment of coronary artery disease. However, conventional …