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Acta Optica Sinica, Volume. 41, Issue 16, 1610001(2021)

Star Identification Algorithm Based on Dynamic Angle Matching

Xingzhe Sun1,2, Rui Zhang1,2、*, Chenguang Shi1,2, and Xiaodong Lin1,2
Author Affiliations
  • 1Innovation Academy for Microsatellites, Chinese Academy of Sciences, Shanghai 201203, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (11)
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    References (17)
    Cited By (4)
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    Figures & Tables(11)
    Sketch of feature extraction

    Fig. 1. Sketch of feature extraction

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    Flowchart for proposed star pattern recognition algorithm

    Fig. 2. Flowchart for proposed star pattern recognition algorithm

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    Identification accuracy of different star pattern recognition algorithms under different position noises

    Fig. 3. Identification accuracy of different star pattern recognition algorithms under different position noises

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    Identification accuracy of different star pattern recognition algorithms under different number of false stars

    Fig. 4. Identification accuracy of different star pattern recognition algorithms under different number of false stars

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    Identification accuracy of different star pattern recognition algorithms under different magnitude noises

    Fig. 5. Identification accuracy of different star pattern recognition algorithms under different magnitude noises

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    Pixel error vector image of barrel distortion

    Fig. 6. Pixel error vector image of barrel distortion

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    Identification result of real star pattern

    Fig. 7. Identification result of real star pattern

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    • Table 1. Angle feature of navigation star database

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      Table 1. Angle feature of navigation star database

      Star IDθ1θ2…θN
      114.836.99…70.82
      215.8818.74…35.66
      ……………
      ……………
      495651.9410.84…24.26

    • Table 2. Distance feature of navigation star database

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      Table 2. Distance feature of navigation star database

      Star IDr1r2…rN
      176.60425.62…129.94
      2127.34407.67…435.60
      ……………
      ……………
      4956128.19341.20…364.03

    • Table 3. Identification performance comparison of different star pattern recognition algorithms

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      Table 3. Identification performance comparison of different star pattern recognition algorithms

      TechniqueIdentificationaccuracy /%Averagetime /ms
      Improved triangle algorithm[6]93.752.3776
      Radial and cyclic[11]96.291.6165
      Grid algorithm[8]97.531.4856
      Pyramid algorithm[5]99.692.3388
      Our algorithm99.807.2134

    • Table 4. Identification performance comparison of different star pattern recognition algorithms under barrel distortion

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      Table 4. Identification performance comparison of different star pattern recognition algorithms under barrel distortion

      TechniqueIdentification accuracy /%
      Improved triangle algorithm[6]44.75
      Radial and cyclic[11]27.12
      Grid algorithm[8]95.83
      Pyramid algorithm[5]11.34
      Our algorithm99.54
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    Xingzhe Sun, Rui Zhang, Chenguang Shi, Xiaodong Lin. Star Identification Algorithm Based on Dynamic Angle Matching[J]. Acta Optica Sinica, 2021, 41(16): 1610001

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    Paper Information

    Category: Image Processing

    Received: Jan. 5, 2021

    Accepted: Mar. 11, 2021

    Published Online: Aug. 12, 2021

    The Author Email: Zhang Rui (acumen_zhang@163.com)

    DOI:10.3788/AOS202141.1610001

    Topics

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