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Acta Optica Sinica, Volume. 42, Issue 12, 1208001(2022)

Method for Improving Geometric Calibration Accuracy of Directional Polarimetric Camera Based on Relative Response Correction

Guangfeng Xiang1,2,3、**, Binghuan Meng1,3、*, Shuang Li1,3, Lin Han1,3, Tingrui Sheng1,2,3, Liang Sun1,3, Donggen Luo1,3, and Jin Hong1,3、***
Author Affiliations
  • 1Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, Anhui, China
  • 2University of Science and Technology of China, Hefei 230026, Anhui, China
  • 3Key Laboratory of Optical Calibration and Characterization, Chinese Academy of Sciences, Hefei 230031, Anhui, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
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    Figures & Tables(9)
    Optical system structure of DPC

    Fig. 1. Optical system structure of DPC

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    Geometric model of DPC

    Fig. 2. Geometric model of DPC

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    Schematic diagram of DPC relative response calibration device

    Fig. 3. Schematic diagram of DPC relative response calibration device

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    Relative response coefficient results of 443 nm band of DPC

    Fig. 4. Relative response coefficient results of 443 nm band of DPC

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    Schematic diagram of DPC geometric calibration device

    Fig. 5. Schematic diagram of DPC geometric calibration device

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    Schematic diagram of spot distribution obtained by DPC geometric calibration

    Fig. 6. Schematic diagram of spot distribution obtained by DPC geometric calibration

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    Centroid calculation deviation

    Fig. 7. Centroid calculation deviation

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    Fitting residuals of DPC model

    Fig. 8. Fitting residuals of DPC model

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    • Table 1. Geometric calibration results of DPC

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      Table 1. Geometric calibration results of DPC

      Band /nmxk(S) /pixelyk(S) /pixelfk(1) /pixelfk(3) /pixelfk(5) /pixelFocal length /mmMaximum relative distortion /%
      443180.86255.79217.851.33-1.154.90-0.56
      490180.83255.83217.421.84-1.384.89-0.48
      565180.77255.83217.092.43-1.664.880.41
      670180.80255.85216.912.96-1.924.880.53
      763180.75256.82216.843.31-2.104.880.60
      765180.81255.81216.833.31-2.104.880.60
      865180.81255.83216.763.59-2.244.870.66
      910180.83255.83216.763.69-2.304.870.68
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    Guangfeng Xiang, Binghuan Meng, Shuang Li, Lin Han, Tingrui Sheng, Liang Sun, Donggen Luo, Jin Hong. Method for Improving Geometric Calibration Accuracy of Directional Polarimetric Camera Based on Relative Response Correction[J]. Acta Optica Sinica, 2022, 42(12): 1208001

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    Paper Information

    Category: Geometric Optics

    Received: Nov. 26, 2021

    Accepted: Dec. 28, 2021

    Published Online: Jun. 7, 2022

    The Author Email: Xiang Guangfeng (xgf056@mail.ustc.edu.cn), Meng Binghuan (bhmeng@aiofm.ac.cn), Hong Jin (hongjin@aiofm.ac.cn)

    DOI:10.3788/AOS202242.1208001

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology