| add_noise_white_contour_xld | Add noise to XLD contours. |
| affine_trans_contour_xld | Apply an arbitrary affine 2D transformation to XLD contours. |
| affine_trans_polygon_xld | Apply an arbitrary affine transformation to XLD polygons. |
| clip_contours_xld | Clip an XLD contour. |
| close_contours_xld | Close an XLD contour. |
| combine_roads_xld | Combine road hypotheses from two resolution levels. |
| crop_contours_xld | Crop an XLD contour. |
| gen_parallel_contour_xld | Compute the parallel contour of an XLD contour. |
| merge_cont_line_scan_xld | Merge XLD contours from successive line scan images. |
| projective_trans_contour_xld | Apply a projective transformation to an XLD contour. |
| regress_contours_xld | Calculate the parameters of a regression line to an XLD contour. |
| segment_contours_xld | Segment XLD contours into line segments and circular or elliptic arcs. |
| shape_trans_xld | Transform the shape of a contour. |
| smooth_contours_xld | Smooth an XLD contour. |
| sort_contours_xld | Sorting of contours with respect to their relative position. |
| split_contours_xld | Split XLD contours at dominant points. |
| union_adjacent_contours_xld | Union of contours of which the end points are close together. |
| union_cocircular_contours_xld | Merge contours that belong to the same circle. |
| union_collinear_contours_ext_xld | Union of collinear contours (operator with extended functionality). |
| union_collinear_contours_xld | Union of collinear contours. |
| union_straight_contours_histo_xld | Merge neighboring straight contours having a similar distance from a given line. |
| union_straight_contours_xld | Merge neighboring straight contours having a similar direction. |