Zhi Wang, Mingli Dong, Peng Sun, Qilin Liu, Bixi Yan, Jun Wang. Joint Calibration and Orientation Method of Dual-Camera System for Wide-Range Visual Measurement[J]. Laser & Optoelectronics Progress, 2022, 59(14): 1415019
- Laser & Optoelectronics Progress
- Vol. 59, Issue 14, 1415019 (2022)
Fig. 1. Flow chart of the proposed method
Fig. 2. Diagram of dual-camera measurement system based on relative exterior parameters
Fig. 3. System site construction drawing
Fig. 4. Diagram of experiment. (a) Experimental site; (b) UAV posture
Fig. 5. Pictures taken by left and right cameras. (a) Left camera; (b) right camera
Fig. 6. Reconstruction of scale ruler in 3D space
Fig. 7. Histogram of reconstruction error of scale ruler
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Table 1. Calibration results of interior parameters and distortion coefficient after bundle adjustment
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Table 2. Calibration results of relative exterior parameters of two cameras
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Table 3. Average error, root mean square error, and maximum error of the reconstructed length
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Table 4. Reconstructed space distance and error of uncalibrated position
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