Ping Wang, Dengyin Yao, Rui Qiao, Tao Zhang, Pengpeng Yao. Estimation Method of Lens Distortion Parameters Based on Two Lines[J]. Acta Optica Sinica, 2023, 43(13): 1315001
- Acta Optica Sinica
- Vol. 43, Issue 13, 1315001 (2023)
Fig. 1. Distribution curve of undistorted points. (a) Along xu direction; (b) along yu direction
Fig. 2. Source image
Fig. 3. Distorted images and corrected images. (a)-(c) Pincushion distorted images and corrected images; (d)-(f) barrel ditorted images and corrected images
Fig. 4. Choice of two lines with two kinds of constraint rules. (a)-(e) Corresponding edge of two lines should be as close to center of image as possible; (f)-(j) corresponding edge of two lines should be as far away from center of image as possible
Fig. 5. Average estimation errors when different edges are selected. (a) Mean absolute error; (b) mean relative error
Fig. 6. Average errors when noise level varies. (a) Errors of principal point; (b) errors of radial distortion
Fig. 7. Correction of real distorted images. (a)-(e) Different scene images
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Table 1. Estimated results of distortion parameters
| ||||||||||||||||||||||||||||||||||||||
Table 2. Estimated errors of distortion parameters
|
Table 3. Estimated results of real distorted images
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