Parameterization of the scatter response function in SPECT imagingusing Monte Carlo simulation
Frey, E.C.
Tsui, B.M.W.
Dept. of Radiol. & Curriculum in Biomed. Eng., North Carolina Univ., Chapel Hill, NC;
This paper appears in: Nuclear Science, IEEE Transactions on
Publication Date: Jun 1990
Volume: 37,
Issue: 3
On page(s): 1308-1315
Location: San Francisco, CA, USA
ISSN: 0018-9499
References Cited: 13
CODEN: IETNAE
INSPEC Accession Number: 3746445
Digital Object Identifier: 10.1109/23.57381
Posted online: 2002-08-06 17:24:14.0
Abstract
The authors have generated SRFs (scatter response functions) using
the Monte Carlo simulation method and investigated the characteristics
of the scattered radiation by fitting the SRFs with fitting functions.
The parameters of the fitting functions were studied as a function of
source position in a water-filled cylindrical phantom with circular
cross section. The parametrization of the SRF provides insight into the
spatial distribution of detected scattered radiation in SPECT
(single-photon-emission computed tomography) and is useful in developing
a method to compensate for its effects in order to improve both the
quality and quantitative accuracy of SPECT images
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