A skew-slit collimator for small-animal SPECT

GL Zeng - Journal of nuclear medicine technology, 2008 - Soc Nuclear Med
The main objective of this work was the development of a skew-slit collimator for small-
animal SPECT to replace the state-of-the-art multipinhole collimator. Methods: A pinhole …

Skew-slit collimator for small animal SPECT

G Zeng, Q Huang, Q Tang, W Wright - 2006 - Soc Nuclear Med
664 Objectives: We design a novel skew-slit collimator for small animal SPECT. Methods:
The state-of-the-art small animal SPECT is a multipinhole imaging. A pinhole provides a …

Helical pinhole SPECT for small-animal imaging: a method for addressing sampling completeness

SD Metzler, KL Greer… - IEEE Transactions on …, 2003 - ieeexplore.ieee.org
Pinhole collimators are widely used to image small organs and small animals because
sensitivity and resolution improve as the distance between the aperture and the object …

Design and performance of a multi-pinhole collimation device for small animal imaging with clinical SPECT and SPECT–CT scanners

FP DiFilippo - Physics in Medicine & Biology, 2008 - iopscience.iop.org
A multi-pinhole collimation device is developed that uses the gamma camera detectors of a
clinical SPECT or SPECT–CT scanner to produce high-resolution SPECT images. The …

An investigation of inconsistent projections and artefacts in multi-pinhole SPECT with axially aligned pinholes

PL Kench, J Lin, MC Gregoire… - Physics in Medicine & …, 2011 - iopscience.iop.org
Multiple pinholes are advantageous for maximizing the use of the available field of view
(FOV) of compact small animal single photon emission computed tomography (SPECT) …

Three-pinhole collimator to improve axial spatial resolution and sensitivity in pinhole SPECT

C Vanhove, M Defrise, T Lahoutte… - European journal of …, 2008 - Springer
Purpose The aim of this study was to improve the uniformity of the axial spatial resolution
and sensitivity in pinhole single-photon emission computed tomography (SPECT) and to …

Geometrical calibration for an animal PET converted SPECT

R Yao, X Deng, T Ma, J Cadorette… - … & Medical Imaging …, 2010 - ieeexplore.ieee.org
This work is part of our continued effort on using a collimator inside an animal PET scanner
to make a cost-effective animal SPECT. As compared to previous design, it employed two …

Single and multipinhole collimator design evaluation method for small animal SPECT

K Vunckx, D Bequé, M Defrise… - IEEE transactions on …, 2007 - ieeexplore.ieee.org
High-resolution functional imaging of small animals is often obtained by single pinhole
SPECT with circular orbit acquisition. Multipinhole SPECT adds information due to its …

System design and development of a pinhole SPECT system for quantitative functional imaging of small animals

T Aoi, T Zeniya, H Watabe, HM Deloar… - Annals of nuclear …, 2006 - Springer
Recently, small animal imaging by pinhole SPECT has been widely investigated by several
researchers. We developed a pinhole SPECT system specially designed for small animal …

Design and feasibility studies of a high-resolution and low-cost small animal SPECT system

T Dai, S Wang, Y Liu, Z Wu, Y Jin… - 2009 IEEE Nuclear …, 2009 - ieeexplore.ieee.org
In this study we investigate the feasibility of performing small animal SPECT imaging on a
clinical SPECT scanner with a dedicate pinhole collimator. Analytical formulae are used to …