Acta Photonica Sinica, Volume. 52, Issue 7, 0734002(2023)

High-efficiency Reconstruction Algorithm of Source Translation Scan Computed Tomography for High-voltage Cable

Song NI1... Jie CHEN1, Haijun YU1, Xiaojiao DUAN1,*, Dabing CHEN2 and Jianjun LIU2 |Show fewer author(s)
Author Affiliations
  • 1Chongqing Zhence Science and Technology Co.,Ltd.,Chongqing 401332,China
  • 2Research Institute,State Grid Jiangsu Electric Power Co.,Ltd.,Nanjing 211103,China
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    Figures & Tables(12)
    L-STCT scanning model
    Diagram of projection smoothing
    Simulation phantom of cable
    Simulated reconstructions of FBP,SIRT and LFBP methods
    Profiles along 150th row of image reconstructed by different methods
    Practical experiment platform
    Images reconstructed by different methods
    Comparison of image with and without artifacts suppression for different layers of Ø100 mm cable
    Images reconstructed by LFBP method with projections at different locations
    • Table 1. Parameters for simulation

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      Table 1. Parameters for simulation

      ParameterValueValue
      Diameter of cable/mm100160
      Distance from source to object l/mm110110
      Distance from detector to object h/mm110110
      Detector array number1 536×1 5361 536×1 536
      Detector pixel size/mm0.1540.154
      Number of source sampling views500500
      Source translation distance 2s/mm240240
      Offset distance τ/mm3555
      Reconstruction matrix300×300300×300
    • Table 2. Quantitative evaluation metrics for different methods

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      Table 2. Quantitative evaluation metrics for different methods

      FBPSIRTLFBP
      Ø100 mmRMSE0.191 60.117 00.130 3
      SSIM0.657 70.923 80.917 2
      Ø160 mmRMSE0.225 20.108 50.131 8
      SSIM0.595 50.923 60.909 4
    • Table 3. Time consumption for different reconstruction methods

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      Table 3. Time consumption for different reconstruction methods

      MethodFBPSIRTLFBP
      Time/s1.3862.461.42
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    Song NI, Jie CHEN, Haijun YU, Xiaojiao DUAN, Dabing CHEN, Jianjun LIU. High-efficiency Reconstruction Algorithm of Source Translation Scan Computed Tomography for High-voltage Cable[J]. Acta Photonica Sinica, 2023, 52(7): 0734002

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    Paper Information

    Category: X-ray Optics

    Received: Jan. 9, 2023

    Accepted: Mar. 16, 2023

    Published Online: Sep. 26, 2023

    The Author Email: DUAN Xiaojiao (duan721@163.com)

    DOI:10.3788/gzxb20235207.0734002

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