• Acta Photonica Sinica
  • Vol. 50, Issue 9, 0911004 (2021)
Huangrong XU1、2, Jinheng LIU1、2, Yuanjie ZHANG1、2, Dengshan WU1, Hao FAN1、2, Xiangpeng FENG1, Geng ZHANG1、2, Bingliang HU1、2, and Weixing YU1、2
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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    DOI: 10.3788/gzxb20215009.0911004 Cite this Article
    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 Copy Citation Text show less
    The biomimetic curved compound-eye imaging system
    Fig. 1. The biomimetic curved compound-eye imaging system
    The layout of the optical realy subsystem
    Fig. 2. The layout of the optical realy subsystem
    The principle of target velocity measurement for the biomimetic curved compound-eye imaging system
    Fig. 3. The principle of target velocity measurement for the biomimetic curved compound-eye imaging system
    UAV equipped with biomimetic curved compound-eye imaging system
    Fig. 4. UAV equipped with biomimetic curved compound-eye imaging system
    The retrieved images of the biomimetic curved compound-eye imaging system at different distance
    Fig. 5. The retrieved images of the biomimetic curved compound-eye imaging system at different distance
    Velocity measurement process of biomimetic curved compound-eye imaging system
    Fig. 6. Velocity measurement process of biomimetic curved compound-eye imaging system

    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 1. The pixel coordinates corresponding to the target positions P and P' at different shooting 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
    Table 2. Comparison of test speed and actual speed at different test distances
    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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