Acta Photonica Sinica, Volume. 49, Issue 12, 61(2020)

Calibration Method of 2D LIDAR and Camera Based on Indoor Structural Features

Lei ZHANG1...2, Xiao-bin XU1,2, Jia HE1,2, Kai-yua ZHU1,2, Min-zhou LUO1,2, and Zhi-ying TAN12 |Show fewer author(s)
Author Affiliations
  • 1College of Mechanical & Electrical Engineering, Hohai University, Changzhou, Jiangsu23022, China
  • 2Jiangsu Key Laboratory of Special Robot Technology, Hohai University, Changzhou, Jiangsu130, China
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    Figures & Tables(4)
    • Table 1. Data of fitted corner points and linear equation parameters

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      Table 1. Data of fitted corner points and linear equation parameters

      S/Nx/my/mabc
      1-0.645 679 530.025 819 36-27517283 874
      2-0.663 591 86-0.157 623 35-26921932 780
      3-0.643 988 79-0.256 961 64-30713122 593
      4-0.892 779 23-0.220 791 22-42324456 064
      5-0.919 356 82-0.116 384 39-38117782 758
      6-0.930 696 010.445 599 08-357-268260 015
      7-1.013 609 300.073 209 52-474-182210 346
      8-0.919 355 99-0.183 984 88-189-13362 447
      9-1.143 314 60-0.059 158 44-330-183132 366
      10-1.206 768 000.121 189 59-346-359193 661
      11-1.210 898 400.296 762 59-477-243269 037
      12-1.266 390 80-0.534 483 91-258-9945 486
    • Table 2. Reprojection errors before optimization

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      Table 2. Reprojection errors before optimization

      S/N123456
      error0.572 40.049 90.426 90.848 81.423 10.117 6
      S/N789101112
      error0.196 30.274 40.186 70.196 90.108 50.104 3
    • Table 3. Matrices of different calibration methods

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      Table 3. Matrices of different calibration methods

      MethodMatrix
      Optimized method0.877 757-0.999 8880.331 1040.479 0990.014 9960.943 5940.002 4999.205 273×10-58.637 213×10-4
      Ref. [19]0.878 759 5-0.999 8200.330 2580.477 258 20.018 9670.943 8900.002 501 39.043 625×10-58.697 315×10-4
    • Table 4. Reprojection error comparison

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      Table 4. Reprojection error comparison

      S/N12345
      This work0.025 90.078 80.052 80.017 80.054 3
      Ref. [19]0.572 40.049 90.426 90.117 60.196 3
      S/N678910
      This work0.090 50.087 50.021 50.004 50.025 7
      Ref. [19]0.274 40.186 70.196 90.108 50.104 3
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    Lei ZHANG, Xiao-bin XU, Jia HE, Kai-yua ZHU, Min-zhou LUO, Zhi-ying TAN. Calibration Method of 2D LIDAR and Camera Based on Indoor Structural Features[J]. Acta Photonica Sinica, 2020, 49(12): 61

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Aug. 9, 2020

    Accepted: Oct. 10, 2020

    Published Online: Mar. 11, 2021

    The Author Email:

    DOI:10.3788/gzxb20204912.1214001

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