Combined Optical Scanning Transposition Pose Calibration Method Integrating Scale Factor

Tao Jiang; Haihua Cui; Xiaosheng Cheng; Wei Tian

doi:10.3788/LOP202259.2312005

Laser & Optoelectronics Progress, Volume. 59, Issue 23, 2312005(2022)

Combined Optical Scanning Transposition Pose Calibration Method Integrating Scale Factor

Tao Jiang^1,2、*, Haihua Cui², Xiaosheng Cheng², and Wei Tian²

Author Affiliations

¹School of Mechanical and Electrical Engineering, Suqian University, Suqian 223800, Jiangsu, China

²College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, Jiangsu, China

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Figures & Tables(8)

Fig. 1. Geometrical model of combined optical tracking and scanning

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Fig. 2. Variation curves of $T_{G}^{T}$ and $P_{G}$ errors corresponding to accuracy ratio of GVS and LVS. (a) Rotation matrix of $T_{G}^{T}$ ; (b) translation vector of $T_{G}^{T}$ ; (c) relative error of $P_{G}$

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Fig. 3. Simulation of transposition pose calibration. (a) Visualization platform; (b) data transmission route

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Fig. 4. Experiment of transposition pose calibration. (a) Experimental setup; (b) calibration board; (c), (d) target detection results of GVS view; (e), (f) target detection results of LVS view

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Fig. 5. Evaluation of scanning accuracy using standard plane

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Fig. 6. Scanning accuracy comparison of proposed method with commercial device. (a) Blade 1 without scale factor; (b) blade 1 with scale factor; (c) blade 2 without scale factor; (d) blade 2 with scale factor

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Table 1. Calibration result error with scale change

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Table 1. Calibration result error with scale change

Scale factor setting value	Scale factor calibration value	Scale factor error	Rotation matrix error /%	Translation vector error /%
1.0	1.00	0	0.34	0.076
1.1	1.12	0.02	0.36	0.081
1.2	1.23	0.03	0.38	0.098
1.3	1.28	0.02	0.45	0.110
1.4	1.44	0.04	0.48	0.120
1.5	1.47	0.03	0.52	0.160
1.6	1.64	0.04	0.55	0.130
1.7	1.67	0.03	0.60	0.150
1.8	1.85	0.05	0.64	0.160
1.9	1.95	0.05	0.68	0.180
2.0	2.06	0.06	0.75	0.230

Table 2. Combined calibration error
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Table 2. Combined calibration error
Calibration circle ${\bar{P}}_{G j}$ 1 2 3 4 Average standard error
Standard error /mm 0.08 0.11 0.12 0.09 0.10

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Tao Jiang, Haihua Cui, Xiaosheng Cheng, Wei Tian. Combined Optical Scanning Transposition Pose Calibration Method Integrating Scale Factor[J]. Laser & Optoelectronics Progress, 2022, 59(23): 2312005

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