Acta Photonica Sinica, Volume. 50, Issue 9, 0911004(2021)

UAV-borne Biomimetic Curved Compound-eye Imaging System for Velocity Measurement

Huangrong XU1...2, Jinheng LIU1,2, Yuanjie ZHANG1,2, Dengshan WU1, Hao FAN1,2, Xiangpeng FENG1, Geng ZHANG1,2, Bingliang HU1,2, and Weixing YU12 |Show fewer author(s)
Author Affiliations
  • 1Key Laboratory of Spectral Imaging Technology of Chinese Academy of Sciences, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an70072, China
  • 2University of Chinese Academy of Science, Beijing100049, China
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    Figures & Tables(8)
    The biomimetic curved compound-eye imaging system
    The layout of the optical realy subsystem
    The principle of target velocity measurement for the biomimetic curved compound-eye imaging system
    UAV equipped with biomimetic curved compound-eye imaging system
    The retrieved images of the biomimetic curved compound-eye imaging system at different distance
    Velocity measurement process of biomimetic curved compound-eye imaging system
    • Table 1. The pixel coordinates corresponding to the target positions P and P' at different shooting distances

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      Table 1. The pixel coordinates corresponding to the target positions P and P' at different shooting distances

      Test

      location

      No. of

      ommatidium

      Pixel coordinates (uivi
      D=17 mD=14 m
      P0(3 100,1 098)(3 188,690)
      1(3 029,1 659)(3 097,1 240)
      2(3 521,1 484)(3 600,1 086)
      3(3 607,945)(3 711,562)
      4(3 190,551)(3 300,157)
      5(2 670,709)(2 761,290)
      6(2 599,1 273)(2 669,848)
      P'0(2 725,4 550)(2 727,4 536)
      1(2 626,5 117)(2 628,5 105)
      2(3 175,4 945)(3 175,4 932)
      3(3 245,4 362)(3 245,4 349)
      4(2 800,3 976)(2 801,3 964)
      5(2 294,4 151)(2 295,4 138)
      6(2 197,4 706)(2 199,4 694)
    • Table 2. Comparison of test speed and actual speed at different test distances

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      Table 2. Comparison of test speed and actual speed at different test distances

      Test

      distance

      Velocity measurement values V/ (m·s-1Mean velocity/ (m·s-1Actual velocity/ (m·s-1

      Relative

      error/%

      V0V1V2V3V4V5V6
      17 m5.775.815.785.655.705.745.735.745.563.24
      14 m5.755.665.525.605.705.705.665.665.561.80
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    Huangrong XU, Jinheng LIU, Yuanjie ZHANG, Dengshan WU, Hao FAN, Xiangpeng FENG, Geng ZHANG, Bingliang HU, Weixing YU. UAV-borne Biomimetic Curved Compound-eye Imaging System for Velocity Measurement[J]. Acta Photonica Sinica, 2021, 50(9): 0911004

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    Paper Information

    Category: Imaging Systems

    Received: Apr. 8, 2021

    Accepted: May. 24, 2021

    Published Online: Oct. 22, 2021

    The Author Email:

    DOI:10.3788/gzxb20215009.0911004

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