Analytic treatment of resolution precision in electronically collimated SPECT imaging involving multiple-interaction gamma rays

J. W. Durkee; P. P. Antich; E. N. Tsyganov; A. Constantinescu; P. V. Kulkarni; B. J. Smith; G. M. Arbique; M. A. Lewis; T. Nguyen; A. Raheja; G. Thambi; R. W. Parkey

doi:10.1088/0031-9155/43/10/021

Analytic treatment of resolution precision in electronically collimated SPECT imaging involving multiple-interaction gamma rays

J. W. Durkee, P. P. Antich, E. N. Tsyganov, A. Constantinescu, P. V. Kulkarni, B. J. Smith, G. M. Arbique, M. A. Lewis, T. Nguyen, A. Raheja, G. Thambi, R. W. Parkey

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

The widely applied single-interaction analytic expression characterizing the energy resolution component of the angular resolution precision for an electronically collimated point source is extended to include multiple- interaction Compton scatter sequences as well as sequences terminated by photoelectric absorption. The analytic formulation is developed using the statistical variance of the mean for components comprising composite, multivariate resolution precision estimators. It is demonstrated that enhanced resolution precision in the incident interaction scatter angle is attained when use is made of information from multiple interactions. An improvement in the resolution precision of up to approximately 40% is observed for triple Compton scatter. Comparison of the analytic estimates with Monte Carlo/chi-square results shows good agreement.

Original language	English (US)
Pages (from-to)	2975-2990
Number of pages	16
Journal	Physics in medicine and biology
Volume	43
Issue number	10
DOIs	https://doi.org/10.1088/0031-9155/43/10/021
State	Published - Oct 1998

ASJC Scopus subject areas

Radiological and Ultrasound Technology
Radiology Nuclear Medicine and imaging

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Durkee, J. W., Antich, P. P., Tsyganov, E. N., Constantinescu, A., Kulkarni, P. V., Smith, B. J., Arbique, G. M., Lewis, M. A., Nguyen, T., Raheja, A., Thambi, G., & Parkey, R. W. (1998). Analytic treatment of resolution precision in electronically collimated SPECT imaging involving multiple-interaction gamma rays. Physics in medicine and biology, 43(10), 2975-2990. https://doi.org/10.1088/0031-9155/43/10/021

Durkee, JW, Antich, PP, Tsyganov, EN, Constantinescu, A, Kulkarni, PV, Smith, BJ, Arbique, GM, Lewis, MA, Nguyen, T, Raheja, A, Thambi, G & Parkey, RW 1998, 'Analytic treatment of resolution precision in electronically collimated SPECT imaging involving multiple-interaction gamma rays', Physics in medicine and biology, vol. 43, no. 10, pp. 2975-2990. https://doi.org/10.1088/0031-9155/43/10/021

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title = "Analytic treatment of resolution precision in electronically collimated SPECT imaging involving multiple-interaction gamma rays",

abstract = "The widely applied single-interaction analytic expression characterizing the energy resolution component of the angular resolution precision for an electronically collimated point source is extended to include multiple- interaction Compton scatter sequences as well as sequences terminated by photoelectric absorption. The analytic formulation is developed using the statistical variance of the mean for components comprising composite, multivariate resolution precision estimators. It is demonstrated that enhanced resolution precision in the incident interaction scatter angle is attained when use is made of information from multiple interactions. An improvement in the resolution precision of up to approximately 40% is observed for triple Compton scatter. Comparison of the analytic estimates with Monte Carlo/chi-square results shows good agreement.",

author = "Durkee, {J. W.} and Antich, {P. P.} and Tsyganov, {E. N.} and A. Constantinescu and Kulkarni, {P. V.} and Smith, {B. J.} and Arbique, {G. M.} and Lewis, {M. A.} and T. Nguyen and A. Raheja and G. Thambi and Parkey, {R. W.}",

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doi = "10.1088/0031-9155/43/10/021",

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AU - Durkee, J. W.

AU - Antich, P. P.

AU - Tsyganov, E. N.

AU - Constantinescu, A.

AU - Kulkarni, P. V.

AU - Smith, B. J.

AU - Arbique, G. M.

AU - Lewis, M. A.

AU - Nguyen, T.

AU - Raheja, A.

AU - Thambi, G.

AU - Parkey, R. W.

PY - 1998/10

Y1 - 1998/10

N2 - The widely applied single-interaction analytic expression characterizing the energy resolution component of the angular resolution precision for an electronically collimated point source is extended to include multiple- interaction Compton scatter sequences as well as sequences terminated by photoelectric absorption. The analytic formulation is developed using the statistical variance of the mean for components comprising composite, multivariate resolution precision estimators. It is demonstrated that enhanced resolution precision in the incident interaction scatter angle is attained when use is made of information from multiple interactions. An improvement in the resolution precision of up to approximately 40% is observed for triple Compton scatter. Comparison of the analytic estimates with Monte Carlo/chi-square results shows good agreement.

AB - The widely applied single-interaction analytic expression characterizing the energy resolution component of the angular resolution precision for an electronically collimated point source is extended to include multiple- interaction Compton scatter sequences as well as sequences terminated by photoelectric absorption. The analytic formulation is developed using the statistical variance of the mean for components comprising composite, multivariate resolution precision estimators. It is demonstrated that enhanced resolution precision in the incident interaction scatter angle is attained when use is made of information from multiple interactions. An improvement in the resolution precision of up to approximately 40% is observed for triple Compton scatter. Comparison of the analytic estimates with Monte Carlo/chi-square results shows good agreement.

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Analytic treatment of resolution precision in electronically collimated SPECT imaging involving multiple-interaction gamma rays

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