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Laser & Optoelectronics Progress, Volume. 57, Issue 8, 081501(2020)

Target Surface Relative Pose Correction Method in Image Type Ballastless Track Settlement

Yongzhi Min1,2、*, Weizhuo Ren1, Wei Guo1, Jia Tao1, and Jie Hu1
Author Affiliations
  • 1School of Automation and Electrical Engineering, Lanzhou Jiaotong University, Lanzhou, Gansu 730070, China
  • 2Gansu Province Artificial Intelligence and Graphic Image Processing Engineering Research Center, Lanzhou, Gansu 730070, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (8)
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    References (22)
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    Figures & Tables(8)
    Image type road settlement deformation camera chain visual transmission monitoring system

    Fig. 1. Image type road settlement deformation camera chain visual transmission monitoring system

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    Feature point design

    Fig. 2. Feature point design

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    Schematic of monitoring target pose measurement system

    Fig. 3. Schematic of monitoring target pose measurement system

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    Imaging model of monocular visual settlement monitoring system

    Fig. 4. Imaging model of monocular visual settlement monitoring system

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    Experimental diagram

    Fig. 5. Experimental diagram

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    Feature point extraction and centroid positioning results

    Fig. 6. Feature point extraction and centroid positioning results

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    Schematic of experimental measurement of pose angle error. (a)Rotation angle and position deviation around X axis; (b) rotation angle and position deviation around Y axis; (c) rotation angle and position deviation around Z axis

    Fig. 7. Schematic of experimental measurement of pose angle error. (a)Rotation angle and position deviation around X axis; (b) rotation angle and position deviation around Y axis; (c) rotation angle and position deviation around Z axis

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    • Table 1. Experimental error analysis(°)

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      Table 1. Experimental error analysis(°)

      ErrorXYZ
      Maximum error0.0840.0850.088
      Minimum error0.0110.0060.002
      Root mean square error0.0480.0520.056
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    Yongzhi Min, Weizhuo Ren, Wei Guo, Jia Tao, Jie Hu. Target Surface Relative Pose Correction Method in Image Type Ballastless Track Settlement[J]. Laser & Optoelectronics Progress, 2020, 57(8): 081501

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    Paper Information

    Category: Machine Vision

    Received: Aug. 23, 2019

    Accepted: Sep. 16, 2019

    Published Online: Apr. 3, 2020

    The Author Email: Yongzhi Min (minyongzhi@mail.lzjtu.cn)

    DOI:10.3788/LOP57.081501

    Topics

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