| connect_grid_points | Establish connections between the grid points of the rectification grid. |
| create_rectification_grid | Generate a PostScript file, which describes the rectification grid. |
| find_rectification_grid | Segment the rectification grid region in the image. |
| gen_arbitrary_distortion_map | Generate a projection map that describes the mapping between an arbitrarily distorted image and the rectified image. |
| gen_grid_rectification_map | Compute the mapping between the distorted image and the rectified image based upon the points of a regular grid. |