ISSN 1004-4140
CN 11-3017/P
Volume 23 Issue 6
Dec.  2014
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LIU Zhe, ZHANG Li. Review of γ-ray CT for Radioactive Waste Assay[J]. CT Theory and Applications, 2014, 23(6): 1025-1040.
Citation: LIU Zhe, ZHANG Li. Review of γ-ray CT for Radioactive Waste Assay[J]. CT Theory and Applications, 2014, 23(6): 1025-1040.
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Review of γ-ray CT for Radioactive Waste Assay

  • 1. China Institute of Atomic Energy, Beijing 102413, China;

  • 2. Department of Engineering Physics, Tsinghua University, Beijing 100084, China;

  • 3. Key Laboratory of Particle & Radiation Imaging, Tsinghua University, Beijing 100084, China

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  • Received Date: April 08, 2014
  • Available Online: December 09, 2022
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    • Abstract
  • γ-ray CT is one of the non-destructive technologies increasingly applied for radioactive waste assay in recent years. The radioactive sources in the target objects can be identified, quantitified and located by γ-ray CT, offering the bases for further disposal and management of the radioactive waste. In this paper, the application background of γ-ray CT for radioactive waste assay is briefly described, and the mathematical models, system designs of the technology are summarized, as well as its main performance indices and influencing factors. Furthermore, the research developments in key techniques about the algorithms and correction methods for radioactivity image reconstruction are introduced in detail. Finally, an outlook to future developments of the technology is given.
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