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Acta Optica Sinica, Volume. 42, Issue 2, 0228001(2022)

Jitter Detection Method Based on Rolling Shutter CMOS Imaging for Space Cameras

Weiwei Zhao1, Chengcheng Fan2,3,4、*, Yan Wang1, Dinghui Shang2,3,4, Yonghe Zhang2,3,4, and Zengshan Yin2,3,4
Author Affiliations
  • 1Institute of Beijing Remote Sensing Information, Beijing 100192, China
  • 2Shanghai Engineering Center for Microsatellites, Shanghai 201210, China
  • 3Innovation Academy for Microsatellites of CAS, Shanghai 201210, China
  • 4Key Laboratory of Microsatellites of CAS, Shanghai 201210, China
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    AbstractGet PDF(in Chinese)
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    References (20)
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    Figures & Tables(7)
    Satellite remote sensing sequence images captured by CMOS rolling shutter mode. (a) Previous image; (b) next frame image

    Fig. 1. Satellite remote sensing sequence images captured by CMOS rolling shutter mode. (a) Previous image; (b) next frame image

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    Jitter detection flow chart for space camera based on rolling shutter CMOS imaging

    Fig. 2. Jitter detection flow chart for space camera based on rolling shutter CMOS imaging

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    Jitter information statistical charts of satellite platform based on high frequency angular displacement. (a) Jitter information in x direction; (b) jitter spectrum in x-direction; (c) jitter information in y direction; (d) jitter spectrum in y-direction; (e) jitter information in z direction; (f) jitter spectrum in z-direction

    Fig. 3. Jitter information statistical charts of satellite platform based on high frequency angular displacement. (a) Jitter information in x direction; (b) jitter spectrum in x-direction; (c) jitter information in y direction; (d) jitter spectrum in y-direction; (e) jitter information in z direction; (f) jitter spectrum in z-direction

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    Statistical chart of jitter information of space camera in direction perpendicular to rail based on rolling shutter CMOS imaging

    Fig. 4. Statistical chart of jitter information of space camera in direction perpendicular to rail based on rolling shutter CMOS imaging

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    Statistical chart of jitter information of space camera in direction along rail based on rolling shutter CMOS imaging

    Fig. 5. Statistical chart of jitter information of space camera in direction along rail based on rolling shutter CMOS imaging

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    • Table 1. Absolute vibration parameters of space camera based on rolling shutter CMOS imaging

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      Table 1. Absolute vibration parameters of space camera based on rolling shutter CMOS imaging

      TimePlaceAmplitude and frequency indirection along railAmplitude and frequency indirection along rail
      Frequency /HzAmplitude /pixelFrequency /HzAmplitude /pixel
      2020-08-15T11:25Area 1156.036-0.181155.481-0.135
      2020-08-26T13:28Area 2155.304-0.235155.835-0.195
      2020-09-10T12:35Area 3154.812-0.283154.705-0.177
      2020-09-21T13:48Area 4155.972-0.199155.663-0.184
      2020-09-30T11:14Area 5156.491-0.207156.382-0.172

    • Table 2. Relative geometric accuracy of panchromatic images before and after flutter compensation pixel

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      Table 2. Relative geometric accuracy of panchromatic images before and after flutter compensation pixel

      TimePlaceRelative error before compensationRelative error after compensation
      Directionperpendicular to railDirectionalong railDirectionperpendicular to railDirectionalong rail
      2020-08-15T11:25Area 13.8113.3932.7362.293
      2020-08-26T13:28Area 25.6064.5734.3663.273
      2020-09-10T12:35Area 35.7733.9124.4432.861
      2020-09-21T13:48Area 43.0065.5821.7164.282
      2020-09-30T11:14Area 56.4833.7635.2032.513
      RMS5.1054.3133.9063.124
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    Weiwei Zhao, Chengcheng Fan, Yan Wang, Dinghui Shang, Yonghe Zhang, Zengshan Yin. Jitter Detection Method Based on Rolling Shutter CMOS Imaging for Space Cameras[J]. Acta Optica Sinica, 2022, 42(2): 0228001

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    Paper Information

    Category: Remote Sensing and Sensors

    Received: Mar. 25, 2021

    Accepted: Aug. 16, 2021

    Published Online: Dec. 29, 2021

    The Author Email: Fan Chengcheng (fancc@microsate.com)

    DOI:10.3788/AOS202242.0228001

    Topics

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