Analysis and evaluation of tomographic gamma scanning image reconstruction algorithm
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L. Jijun
Abstract
Tomographic Gamma Scanning (TGS) is a nondestructive analysis technique for accurately measuring the content of radioactive material in sealed containers. It has important applications in the fields of nuclear safety assurance and the measurement and analysis of radioactive waste drums. As the key of TGS technique, the quality of the emission image reconstruction algorithm will directly affect the accuracy of measurement results. In this paper, a computer simulation platform for TGS technique is established. The application of four emission image reconstruction algorithms in TGS technique is systematically studied by using 6 · 6 · 6 sample voxel model. Three representative sample media and radioactive source distribution models are established and the applicability of the four reconstruction algorithms is analyzed and evaluated in the presence and absence of detector noise interference. Computer simulation and experimental results show that ML-EM algorithm is the most applicable in the process of TGS image reconstruction.
© 2020 by Walter de Gruyter Berlin/Boston
Articles in the same Issue
- CONTENTS
- CALENDAR OF EVENTS · VERANSTALTUNGSKALENDER
- Editorial
- Major sensitivities in FRAPCON-xt modeling of high burn-up fuel rods during dry storage to design and irradiation variables
- Dry storage modeling activities at PSI: implementation and testing of a creep model for dry storage
- SEDS benchmark for fuel rod behaviour during dry storage – preliminary results
- Investigation of the temporal rearrangement of zirconium hydride precipitates in cladding material for the interim and final storage period
- Overview of metal seal tests performed at BAM and implications for extended interim storage
- Comparison of numerical and semi-analytical analyses of temperature fields of loaded dry casks
- Analysis and evaluation of tomographic gamma scanning image reconstruction algorithm
- Design of Geiger Muller detector system for searching lost γ-ray source
- Note · Imprint
Articles in the same Issue
- CONTENTS
- CALENDAR OF EVENTS · VERANSTALTUNGSKALENDER
- Editorial
- Major sensitivities in FRAPCON-xt modeling of high burn-up fuel rods during dry storage to design and irradiation variables
- Dry storage modeling activities at PSI: implementation and testing of a creep model for dry storage
- SEDS benchmark for fuel rod behaviour during dry storage – preliminary results
- Investigation of the temporal rearrangement of zirconium hydride precipitates in cladding material for the interim and final storage period
- Overview of metal seal tests performed at BAM and implications for extended interim storage
- Comparison of numerical and semi-analytical analyses of temperature fields of loaded dry casks
- Analysis and evaluation of tomographic gamma scanning image reconstruction algorithm
- Design of Geiger Muller detector system for searching lost γ-ray source
- Note · Imprint
