Active-mask coded-aperture imaging

Mark F. Cunningham; Edward Blakeman; Lorenzo Fabris; Frezghi Habte; Klaus Ziock

doi:10.1109/NSSMIC.2007.4437224

Active-mask coded-aperture imaging

Mark F. Cunningham, Edward Blakeman, Lorenzo Fabris, Frezghi Habte, Klaus Ziock

Radiation Imaging and Advanced Diagnosti

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

10 Scopus citations

Abstract

Using MCNP5 code, we modeled an existing codedaperture, gamma-ray imaging system in order to optimize the thicknesses of its mask and detector elements. We also explored the feasibility of designing an active-mask version of the instrument where the lead elements of the mask are replaced by alkali-halide detectors. The results of these simulations indicate that increasing the detector thickness will improve the instrument's sensitivity, but, surprisingly, the active-mask system is only slightly more sensitive than the passive version.

Original language	English
Title of host publication	2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC
Pages	1217-1221
Number of pages	5
DOIs	https://doi.org/10.1109/NSSMIC.2007.4437224
State	Published - 2007
Event	2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC - Honolulu, HI, United States Duration: Oct 27 2007 → Nov 3 2007

Publication series

Name	IEEE Nuclear Science Symposium Conference Record
Volume	2
ISSN (Print)	1095-7863

Conference

Conference	2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC
Country/Territory	United States
City	Honolulu, HI
Period	10/27/07 → 11/3/07

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10.1109/NSSMIC.2007.4437224

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title = "Active-mask coded-aperture imaging",

abstract = "Using MCNP5 code, we modeled an existing codedaperture, gamma-ray imaging system in order to optimize the thicknesses of its mask and detector elements. We also explored the feasibility of designing an active-mask version of the instrument where the lead elements of the mask are replaced by alkali-halide detectors. The results of these simulations indicate that increasing the detector thickness will improve the instrument's sensitivity, but, surprisingly, the active-mask system is only slightly more sensitive than the passive version.",

author = "Cunningham, {Mark F.} and Edward Blakeman and Lorenzo Fabris and Frezghi Habte and Klaus Ziock",

year = "2007",

doi = "10.1109/NSSMIC.2007.4437224",

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series = "IEEE Nuclear Science Symposium Conference Record",

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Cunningham, MF, Blakeman, E, Fabris, L, Habte, F & Ziock, K 2007, Active-mask coded-aperture imaging. in 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC., 4437224, IEEE Nuclear Science Symposium Conference Record, vol. 2, pp. 1217-1221, 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC, Honolulu, HI, United States, 10/27/07. https://doi.org/10.1109/NSSMIC.2007.4437224

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AU - Blakeman, Edward

AU - Fabris, Lorenzo

AU - Habte, Frezghi

AU - Ziock, Klaus

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N2 - Using MCNP5 code, we modeled an existing codedaperture, gamma-ray imaging system in order to optimize the thicknesses of its mask and detector elements. We also explored the feasibility of designing an active-mask version of the instrument where the lead elements of the mask are replaced by alkali-halide detectors. The results of these simulations indicate that increasing the detector thickness will improve the instrument's sensitivity, but, surprisingly, the active-mask system is only slightly more sensitive than the passive version.

AB - Using MCNP5 code, we modeled an existing codedaperture, gamma-ray imaging system in order to optimize the thicknesses of its mask and detector elements. We also explored the feasibility of designing an active-mask version of the instrument where the lead elements of the mask are replaced by alkali-halide detectors. The results of these simulations indicate that increasing the detector thickness will improve the instrument's sensitivity, but, surprisingly, the active-mask system is only slightly more sensitive than the passive version.

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M3 - Conference contribution

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T2 - 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC

Y2 - 27 October 2007 through 3 November 2007

ER -

Active-mask coded-aperture imaging

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