Jiahui Song, Yongjie Ren, Shourui Yang, Shibin Yin, Yin Guo, Shenghua Ye. Extrinsic Parameter Calibration Method Based on Substitutable Target Sphere for Vision Sensors[J]. Acta Optica Sinica, 2017, 37(9): 0915003
- Acta Optica Sinica
- Vol. 37, Issue 9, 0915003 (2017)
Fig. 1. Design of the substitutable target sphere for vision-measurement. (a) Principle of extrinsic parameters calibration; (b) design of the substitutable target sphere for vision measurement
Fig. 2. Influence of different factors on uncertainty measurement. (a) Extraction error; (b) number of common points; (c) distribution distance
Fig. 3. Photo of experimental system
Fig. 4. Verification of experimental results. (a) Simulation result; (b) experimental result
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Table 1. Intrinsic parameters of cameras
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Table 2. Influence of distribution format on uncertainty
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Table 3. Influence of distribution in different heights on uncertainty
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