Combined Optical Scanning Transposition Pose Calibration Method Integrating Scale Factor

Tao Jiang; Haihua Cui; Xiaosheng Cheng; Wei Tian

doi:10.3788/LOP202259.2312005

Journals >Laser & Optoelectronics Progress >Volume 59 >Issue 23 >Page 2312005 > Article

Laser & Optoelectronics Progress
Vol. 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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DOI: 10.3788/LOP202259.2312005 Cite this Article Set citation alerts

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 Copy Citation Text

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

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Variation curves of TGT and PG errors corresponding to accuracy ratio of GVS and LVS. (a) Rotation matrix of TGT; (b) translation vector of TGT; (c) relative error of PG

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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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 1. Calibration result error with scale change

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

Table 2. Combined calibration error

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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