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Optoelectronic Technology, Volume. 44, Issue 1, 72(2024)

Second‑order Anisotropic Gaussian Directional Derivative Filters for Blob Detection

Wenya YU1, Jie REN1, Weichuan ZHANG1, and Lei LU2
Author Affiliations
  • 1School of Electronics and Information, Xi'an Polytechnic University, Xi'an 70048, CHN
  • 2School of Information and Communications Engineering, Xi'an Jiaotong University, Xi'an,710049, CHN
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    AbstractGet PDF(in Chinese)
    Figures&Tables (8)
    Equations (15)
    References (36)
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    Figures & Tables(8)
    SOAGDD filters along eight orientations with different anisotropic factors and scales

    Fig. 1. SOAGDD filters along eight orientations with different anisotropic factors and scales

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    Illustration diagram of image response

    Fig. 2. Illustration diagram of image response

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    Example of pyramid images

    Fig. 3. Example of pyramid images

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    Illustration of blob selection

    Fig. 4. Illustration of blob selection

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    Overall flow chart

    Fig. 5. Overall flow chart

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    Illustrations of different blob detections on the "Graffiti" images

    Fig. 6. Illustrations of different blob detections on the "Graffiti" images

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    Illustrations of image matching

    Fig. 7. Illustrations of image matching

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    • Table 1. Results of HPatches

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      Table 1. Results of HPatches

      Det.Dsc.MMA
      HarrisHardNet++0.648
      SIFTHardNet++0.575
      SURFHardNet++0.659
      FASTHardNet++0.678
      KAZEHardNet++0.504
      ANDDHardNet++0.575
      New⁃ CurvatureHardNet++0.687
      LIFTHardNet++0.683
      LF⁃NetHardNet++0.713
      Key.NetHardNet++0.504
      R2D2HardNet++0.682
      D2⁃NetHardNet++0.480
      SOIGDDHardNet++0.709
      OURSHardNet++0.803
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    Wenya YU, Jie REN, Weichuan ZHANG, Lei LU. Second‑order Anisotropic Gaussian Directional Derivative Filters for Blob Detection[J]. Optoelectronic Technology, 2024, 44(1): 72

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    Paper Information

    Category:

    Received: Sep. 4, 2023

    Accepted: --

    Published Online: Jul. 18, 2024

    The Author Email:

    DOI:10.12450/j.gdzjs.202401013

    Topics

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