Yang Lei, Hongli Zhang, Cong Wang. Hybrid Particle-Swarm-Optimization Method for Accurately Calibrating Cameras[J]. Laser & Optoelectronics Progress, 2019, 56(21): 211506
- Laser & Optoelectronics Progress
- Vol. 56, Issue 21, 211506 (2019)
Fig. 1. Monocular camera model (pinhole camera model)
Fig. 2. Checker board calibration boards
Fig. 3. Fitness curve obtained by HPSO
Fig. 4. Reprojection error obtained by HPSO.(a)Reprojection error of calibration image; (b)average projection error of calibration image
Fig. 5. Reprojection error obtained by Zhang's calibration method. (a)Reprojection error of calibration image; (b)average projection error of calibration image
Fig. 6. Reprojection error obtained by GA.(a)Reprojection error of calibration image;(b)average reprojection error of calibration image
Fig. 7. Comparison of mean reprojection error
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Table 1. Optimization results of camera calibration parameters
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