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
- Acta Optica Sinica
- Vol. 38, Issue 8, 0815004 (2018)
Fig. 1. Layout strategy of feature points
Fig. 2. Distribution of feature points in Hough space
Fig. 3. Schematic of single point distortion correction
Fig. 4. Schematic of epipolar geometry
Fig. 5. Principle of RANSAC method
Fig. 6. Schematic of experimental system. (a) Binocular camera; (b) calibration target
Fig. 7. Matching results. (a) Small fluctuation area identification; (b) collinear feature point identification; (c) feature point matching results
Fig. 8. Distance bias of corner point and epipolar line with different methods
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Table 1. Results of feature points extraction andnonmetric correction
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Table 2. Comparison of fundamental matrices results
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Table 3. Comparison of matching error
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