Zuyang ZHAO, Haihua CUI, Kunpeng DU, Yiming QU, Dong QUAN, Zhiguo MU. Calibration Method of 3D Laser Projection Based on Homography Matrix[J]. Acta Photonica Sinica, 2022, 51(11): 1112001
- Acta Photonica Sinica
- Vol. 51, Issue 11, 1112001 (2022)
Fig. 1. 1∶1 projection of target contour（triangle）from digital analog to real object
Fig. 2. 3D laser projection positioning system mode
Fig. 3. Calibration stability analysis
Fig. 4. Error distribution of two calibrations
Fig. 5. Experimental disc calibration plate
Fig. 6. Target circle projection
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Table 1. 0.5～ 3 m homography matrix H1，H2 and the corresponding reprojection error
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Table 2. Accuracy analysis with a projection distance of 1.5 m
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Table 3. Analysis of experimental data with a projection distance of 0.5~3 m
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Table 4. Accuracy comparision
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