Yifan Xiao, Wei Hu. High-Precision Calibration Based on Multi-Camera System[J]. Laser & Optoelectronics Progress, 2023, 60(20): 2015003
- Laser & Optoelectronics Progress
- Vol. 60, Issue 20, 2015003 (2023)
Fig. 1. Flow chart of multi-camera joint calibration
Fig. 2. Axis distribution of the world coordinate system of the calibration plate
Fig. 3. Axis distribution of pixel coordinate system of calibration board. (a) Original drawing; (b) extracting the center of the circle; (c) center sorting
Fig. 4. Correction of perspective deviation. (a) Before correction; (b) after correction
Fig. 5. Special calibration board
Fig. 6. Physical drawing of rear cover laminating module
Fig. 7. External parameter display after optimization
Fig. 8. Re-projection error comparison. (a) Schematic diagram of reprojection error of DLT method and proposed method; (b) re-projection error difference curve of DLT method and proposed method
| |||||||||||||||||||||||||||||
Table 1. Pixels and mechanical coordinates for calibrating the center of the plate
|
Table 2. Comparison of parameters before and after Levenberg-Marquardt algorithm optimization
|
Table 3. Comparison of average re-projection error of camera calibration
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20