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Coded aperture imaging using LYSO self-radiation scintillator detector.

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Title: Coded aperture imaging using LYSO self-radiation scintillator detector.
Authors: Lin, Zebin1 (AUTHOR) zeb_lin@ecut.edu.cn, Kang, Zechao2,3 (AUTHOR), Pan, Ziwen1,2,3 (AUTHOR) panzw19@ustc.edu.cn, Deng, Li4,5 (AUTHOR), Yu, Pei4,5 (AUTHOR), Chen, Liangwen4,5,6 (AUTHOR), Zou, Jijun1 (AUTHOR), Wan, Jiangfeng1 (AUTHOR), Zhang, Xiongjie1 (AUTHOR), Wu, Yiyuan1 (AUTHOR), Tang, Bin1 (AUTHOR), Ye, Bangjiao2,3 (AUTHOR)
Source: Radiation Measurements. Aug2026, Vol. 196, pN.PAG-N.PAG. 1p.
Subjects: Scintillators, Gamma rays, Scintillation counters, Radioactivity, Image quality analysis, Decoding algorithms, Diagnostic imaging
Abstract: In nuclear radiation imaging, SiPM-coupled scintillator detectors are widely used for coded aperture imaging. LYSO is a non-hygroscopic scintillator with high detection efficiency and ease of large-array fabrication, which shows potential for gamma-ray imaging. However, its intrinsic self-radiation can interfere with the effective counts of imaged gamma-rays, degrading imaging performance. In this work, a coded aperture imaging system using a SiPM-coupled LYSO detector was constructed, and an open-coding method was proposed to mitigate the effects of LYSO self-radiation, even when the detector cannot distinguish between the energies of imaged gamma rays and self-radiation peaks. Additionally, a no-reference image quality index for use in experimental imaging quality evaluation was introduced, and its effectiveness was demonstrated through its monotonic correlation with Contrast-to-Noise Ratio (CNR). • An imaging quality assessment method independent of source distribution is proposed. • The impact of detector self-radiation on coded aperture imaging is discussed. • A method is proposed to effectively reduce the impact of detector self-radiation on coded aperture imaging. [ABSTRACT FROM AUTHOR]
Copyright of Radiation Measurements is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 194370888
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Coded aperture imaging using LYSO self-radiation scintillator detector.
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  Data: <searchLink fieldCode="AR" term="%22Lin%2C+Zebin%22">Lin, Zebin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zeb_lin@ecut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Kang%2C+Zechao%22">Kang, Zechao</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pan%2C+Ziwen%22">Pan, Ziwen</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<i> panzw19@ustc.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Deng%2C+Li%22">Deng, Li</searchLink><relatesTo>4,5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yu%2C+Pei%22">Yu, Pei</searchLink><relatesTo>4,5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Liangwen%22">Chen, Liangwen</searchLink><relatesTo>4,5,6</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zou%2C+Jijun%22">Zou, Jijun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wan%2C+Jiangfeng%22">Wan, Jiangfeng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Xiongjie%22">Zhang, Xiongjie</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Yiyuan%22">Wu, Yiyuan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tang%2C+Bin%22">Tang, Bin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ye%2C+Bangjiao%22">Ye, Bangjiao</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Radiation+Measurements%22">Radiation Measurements</searchLink>. Aug2026, Vol. 196, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Scintillators%22">Scintillators</searchLink><br /><searchLink fieldCode="DE" term="%22Gamma+rays%22">Gamma rays</searchLink><br /><searchLink fieldCode="DE" term="%22Scintillation+counters%22">Scintillation counters</searchLink><br /><searchLink fieldCode="DE" term="%22Radioactivity%22">Radioactivity</searchLink><br /><searchLink fieldCode="DE" term="%22Image+quality+analysis%22">Image quality analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Decoding+algorithms%22">Decoding algorithms</searchLink><br /><searchLink fieldCode="DE" term="%22Diagnostic+imaging%22">Diagnostic imaging</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In nuclear radiation imaging, SiPM-coupled scintillator detectors are widely used for coded aperture imaging. LYSO is a non-hygroscopic scintillator with high detection efficiency and ease of large-array fabrication, which shows potential for gamma-ray imaging. However, its intrinsic self-radiation can interfere with the effective counts of imaged gamma-rays, degrading imaging performance. In this work, a coded aperture imaging system using a SiPM-coupled LYSO detector was constructed, and an open-coding method was proposed to mitigate the effects of LYSO self-radiation, even when the detector cannot distinguish between the energies of imaged gamma rays and self-radiation peaks. Additionally, a no-reference image quality index for use in experimental imaging quality evaluation was introduced, and its effectiveness was demonstrated through its monotonic correlation with Contrast-to-Noise Ratio (CNR). • An imaging quality assessment method independent of source distribution is proposed. • The impact of detector self-radiation on coded aperture imaging is discussed. • A method is proposed to effectively reduce the impact of detector self-radiation on coded aperture imaging. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Radiation Measurements is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.radmeas.2026.107718
    Languages:
      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Scintillators
        Type: general
      – SubjectFull: Gamma rays
        Type: general
      – SubjectFull: Scintillation counters
        Type: general
      – SubjectFull: Radioactivity
        Type: general
      – SubjectFull: Image quality analysis
        Type: general
      – SubjectFull: Decoding algorithms
        Type: general
      – SubjectFull: Diagnostic imaging
        Type: general
    Titles:
      – TitleFull: Coded aperture imaging using LYSO self-radiation scintillator detector.
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            – D: 01
              M: 08
              Text: Aug2026
              Type: published
              Y: 2026
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