Acta Optica Sinica, Volume. 40, Issue 23, 2304001(2020)

Method for Crosstalk Image Restoration of Linear Array Detector Based on RC model

Tianyuan Yang*, Gongmin Yu, Xiaole Yang, Mailing Xing, and Feng Zhou
Author Affiliations
  • Beijing Institute of Space Mechanics & Electricity, Beijing 100094, China
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    Figures & Tables(17)
    Bar target image of scanning linear array camera
    Response of detector pixel to bar target
    RC model
    Schematic of pulse input
    Schematic of pulse output
    Flow chart of crosstalk image restoration
    Edge target image
    Response of each detector pixel to edge target
    Fitting results of T under different P1 and P2
    Results before and after bar target image restoration. (a) Before restoration; (b) after restoration
    Responses of before and after detector pixel restoration
    Results of before and after hole target image restoration. (a) Before restoration; (b) after restoration
    Responses of before and after edge target restoration. (a) Before restoration; (b) after restoration
    • Table 1. Results of image restoration in bar target region

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      Table 1. Results of image restoration in bar target region

      RsgBefore restorationAfter restoration
      DmgDagDmgrDagrDmgDagDmgrDagr
      528.8897.5179.7618.44%15.08%15.954.743.02%0.90%
    • Table 2. Results of image restoration in bar target tailing region

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      Table 2. Results of image restoration in bar target tailing region

      RsiBefore restorationAfter restoration
      DmiDaiDmirDairDmiDaiDmirDair
      060.6317.7211.46%3.35%9.543.851.80%0.73%
    • Table 3. Results of image restoration in edge target region

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      Table 3. Results of image restoration in edge target region

      Pixel numberRsgBefore restorationAfter restoration
      DmgDagDmgr /%Dagr /%DmgDagDmgr /%Dagr /%
      20204.1941.6834.5820.4116.946.621.753.240.86
      25205.4744.4435.0421.6317.053.821.431.860.70
      30202.8942.3734.5720.8817.043.151.261.550.62
      35205.1846.5734.4722.7016.804.511.082.200.53
    • Table 4. Results of image restoration in edge target tailing region

      View table

      Table 4. Results of image restoration in edge target tailing region

      Pixel numberRsiBefore restorationAfter restoration
      DmiDaiDmir /%Dair /%DmiDaiDmir /%Dair /%
      20023.4910.6211.505.206.503.033.181.48
      25018.9710.109.234.928.544.314.162.10
      30018.499.229.114.547.634.163.762.05
      35019.3810.189.454.9610.477.325.103.57
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    Tianyuan Yang, Gongmin Yu, Xiaole Yang, Mailing Xing, Feng Zhou. Method for Crosstalk Image Restoration of Linear Array Detector Based on RC model[J]. Acta Optica Sinica, 2020, 40(23): 2304001

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    Paper Information

    Category: Detectors

    Received: May. 29, 2020

    Accepted: Aug. 5, 2020

    Published Online: Nov. 24, 2020

    The Author Email: Yang Tianyuan (yangtianyuan@163.com)

    DOI:10.3788/AOS202040.2304001

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