2. Tutorials
- 2.1. Causes of distortion
- 2.2. Methods for correcting distortions
- 2.2.1. Introduction
- 2.2.2. Extracting reference-points from a calibration image
- 2.2.3. Grouping reference-points into horizontal lines and vertical lines
- 2.2.4. Calculating the optical center of radial distortion
- 2.2.5. Correcting perspective effect
- 2.2.6. Calculating coefficients of a polynomial model for radial-distortion correction
- 2.2.7. Calculating coefficients of a correction model for perspective distortion
- 2.2.8. Correcting a distorted image
- 2.2.9. Summary