Infrared and Laser Engineering, Volume. 53, Issue 2, 20211026(2024)

Monocular spatial attitude measurement method guided by two dimensional active pose

Feng Liu1, Yinghua Guo1, Lin Wang1、*, Peipei Gao2, and Yuetong Zhang1
Author Affiliations
  • 1State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China
  • 2College of Computer Science, Nankai University, Tianjin 300071, China
  • show less
    Figures & Tables(14)
    Schematic diagram of monocular attitude measurement
    Eye calibration model
    Relationship between output angle of inclinometer and euler angle
    Correlation coordinate system relationship of inclinometer
    Experimental device diagram
    A partial checkerboard image collected
    Calibration error line chart of pitch angle and roll angle
    (a) Two images from the checkerboard position near +15°; (b) Two images from the checkerboard position near +5°; (c) Two images from the checkerboard position near −15°
    (a) The measured value and true value of pitch angle; (b) Measured value and true value of roll angle
    [in Chinese]
    (a) Pitch angle measurement error line chart; (b) Roll angle measurement error line chart; (c) Pitch angle measurement relative error line chart; (d) Roll angle measurement relative error line chart
    The line chart of measured distance and two inclination errors
    • Table 1. System calibration parameter

      View table
      View in Article

      Table 1. System calibration parameter

      fu,fv/pixelu0,v0/pixelkc
      Camera5764.37,5766.97840.86,609.35[−0.14, 1.77, −0.0003,0.0021, 0.00]
      Rct_eul/rad[1.5857, 0.0174, 0.0032]
      Tct/mm[9.6939, −6.5506, −103.1031]
      Rg_eul/rad[−1.5001, −0.0071, 3.1308]
      Rm_eul/rad[−1.4822, −0.0398, 1.2351]
    • Table 2. Checkerboard attitude angle measurements near −10°

      View table
      View in Article

      Table 2. Checkerboard attitude angle measurements near −10°

      NumberMeasured value/(°)True value/(°)Measurement error/(°)Relative error
      PitchRollPitchRollPitchRollPitchRoll
      1−9.95−11.34−10.09−11.060.14−0.28−1.39%2.55%
      2−10.10−11.35−10.10−11.06−0.004−0.280.41%2.56%
      3−10.02−11.32−10.09−11.060.07−0.25−0.69%2.30%
      4−9.95−11.42−10.09−11.060.14−0.35−1.41%3.19%
      5−10.12−11.28−10.09−11.06−0.012−0.220.14%1.98%
      6−10.04−11.38−10.09−11.060.05−0.32−0.51%2.85%
      7−9.92−11.31−10.09−11.060.17−0.24−1.68%2.21%
    Tools

    Get Citation

    Copy Citation Text

    Feng Liu, Yinghua Guo, Lin Wang, Peipei Gao, Yuetong Zhang. Monocular spatial attitude measurement method guided by two dimensional active pose[J]. Infrared and Laser Engineering, 2024, 53(2): 20211026

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category:

    Received: Dec. 23, 2021

    Accepted: --

    Published Online: Aug. 13, 2021

    The Author Email: Wang Lin (nchuwl@163.com)

    DOI:10.3788/IRLA20211026

    Topics