Renchuan YANG, Haihua CUI, Xifu ZHAO, Ronghui GUO, Tao JIANG. Multi-pose coupled transformation calibration for combined tracking-based optical measurement[J]. Optics and Precision Engineering, 2024, 32(17): 2686
- Optics and Precision Engineering
- Vol. 32, Issue 17, 2686 (2024)
Fig. 1. Schematic diagram of common calibration board
Fig. 2. Schematic diagram of multi-position combination transit pose calibration
Fig. 3. Experimental platform of combined vision measurement system
Fig. 4. LCS measurement error absolute value and average error
Fig. 5. Fixed target base and target balls
Fig. 6. Line diagram of multi-position single-point coupling calibration error absolute value
Fig. 7. Line diagram of multi-position and multi-point coupling calibration error absolute value
Fig. 8. Standard spacing of mark points at both ends of a standard bar
Fig. 9. Multi-position single point coupling calibration combined measurement error
Fig. 10. Multi-positions multi-point coupling calibration combined measurement error
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Table 1. Internal and external parameters and distortion coefficients of LCS systems
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Table 2. Three-dimensional coordinates of three-point target ball measured by laser tracker
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Table 3. Results of multi-position single-point coupling and multi-position multi-point coupling
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