• Laser & Optoelectronics Progress
  • Vol. 59, Issue 14, 1415028 (2022)
Li Dong, Maohai Hu*, and Zhirong Yang
Author Affiliations
  • School of Electronic and Optical Engineering, Nanjing University of Science & Technology, Nanjing 210094, Jiangsu , China
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    DOI: 10.3788/LOP202259.1415028 Cite this Article Set citation alerts
    Li Dong, Maohai Hu, Zhirong Yang. Object Attitude Perception Method Based on Depth Camera[J]. Laser & Optoelectronics Progress, 2022, 59(14): 1415028 Copy Citation Text show less
    Example diagram of sleeper cutting image processing. (a) RGB diagram; (b) depth map; (c) end face binarization diagram; (d) diagram of image processing result
    Fig. 1. Example diagram of sleeper cutting image processing. (a) RGB diagram; (b) depth map; (c) end face binarization diagram; (d) diagram of image processing result
    RGB diagrams of workpiece with successful image processing. (a) RGB drawing of workpiece 1; (b) RGB drawing of workpiece 2
    Fig. 2. RGB diagrams of workpiece with successful image processing. (a) RGB drawing of workpiece 1; (b) RGB drawing of workpiece 2
    Robot hand holding depth camera and laser
    Fig. 3. Robot hand holding depth camera and laser
    Software operation interface
    Fig. 4. Software operation interface
    Repetitive line graph of Euler angle and translation of object in the first attitude
    Fig. 5. Repetitive line graph of Euler angle and translation of object in the first attitude
    Repetitive line graph of Euler angle and translation of object in the second attitude
    Fig. 6. Repetitive line graph of Euler angle and translation of object in the second attitude
    Repetitive line graph of Euler angle and translation of object in the third attitude
    Fig. 7. Repetitive line graph of Euler angle and translation of object in the third attitude
    AttitudeRotation(X)/(°)Rotation(Y)/(°)Rotation(Z)/(°)translation(X)/mmtranslation(Y)/mmtranslation(Z)/mm
    Attitude 1-7.7141.7271.663-5.807-28.484228.57
    Attitude 268.11088.97372.39947.436-3.086270.11
    Attitude 3-1.0550.3224.36547.3143.110270.06
    Table 1. Three postures of the object relative to the camera in the experiment