Calibration Method for Large Field of View Image Matching Parameters Based on Non-Metric Correction

Point number	Left image /pixel	Right image /pixel	Corrected left image /pixel	Corrected right image /pixel
1	(1146.3296,491.7768)	(840.5358,447.0849)	(1142.8455,488.4470)	(835.2091,442.9604)
2	(1149.5898,413.0614)	(842.9693,373.3974)	(1145.9285,409.1640)	(837.2593,368.5852)
3	(1233.4019,497.7639)	(917.1522,447.4341)	(1230.5533,494.6613)	(912.6476,443.4858)
304	(3278.3531,2642.6279)	(2587.0324,2562.6324)	(3284.9730,2649.5132)	(2588.7491,2566.4980)

Table 2. Comparison of fundamental matrices results

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Table 2. Comparison of fundamental matrices results

Method	Fundamental matrix
Proposed method	F= $\begin{matrix} [\begin{matrix} - 3.2069 \times 10^{- 9} & 4.0815 \times 10^{- 7} & - 5.9270 \times 10^{- 4} \\ 3.7207 \times 10^{- 6} & - 3.3833 \times 10^{- 8} & - 0.0139 \\ - 5.9749 \times 10^{- 4} & 0.0122 & 0.9998 \end{matrix}] \end{matrix}$
Classic RANSAC	F= $\begin{matrix} [\begin{matrix} - 3.6104 \times 10^{- 9} & 3.2269 \times 10^{- 7} & - 4.4663 \times 10^{- 4} \\ 4.2009 \times 10^{- 7} & - 3.3961 \times 10^{- 8} & - 0.0130 \\ - 6.6870 \times 10^{- 4} & 0.0114 & 0.9998 \end{matrix}] \end{matrix}$
8-point	F= $\begin{matrix} [\begin{matrix} - 1.7171 \times 10^{- 9} & 3.6731 \times 10^{- 7} & - 5.2393 \times 10^{- 4} \\ 3.7925 \times 10^{- 7} & - 2.9383 \times 10^{- 8} & - 0.0130 \\ - 6.0924 \times 10^{- 4} & 0.0114 & 0.9999 \end{matrix}] \end{matrix}$
Calibration method	F= $\begin{matrix} [\begin{matrix} 3.7275 \times 10^{- 9} & - 5.1012 \times 10^{- 7} & 7.4736 \times 10^{- 4} \\ - 4.5940 \times 10^{- 7} & 4.1281 \times 10^{- 8} & 0.0172 \\ 7.3055 \times 10^{- 4} & - 0.0152 & - 0.9997 \end{matrix}] \end{matrix}$

Table 3. Comparison of matching error
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Table 3. Comparison of matching error
Method Average /pixel Standarddeviation /pixel
Proposed method 0.1746 0.0861
Classical RANSAC 0.4917 0.4942
8-point 0.3419 0.2487
Calibration method 10.0041 2.0401

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Zhiyuan Zhang, Wei Liu, Yang Zhang, Yongkang Lu, Hongtu Di, Fan Ye, Zhenyuan Jia. Calibration Method for Large Field of View Image Matching Parameters Based on Non-Metric Correction[J]. Acta Optica Sinica, 2018, 38(8): 0815004

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