| critical_points_sub_pix | Subpixel precise detection of critical points in an image. |
| local_max | Detect all local maxima in an image. |
| local_max_sub_pix | Subpixel precise detection of local maxima in an image. |
| local_min | Detect all local minima in an image. |
| local_min_sub_pix | Subpixel precise detection of local minima in an image. |
| lowlands | Detect all gray value lowlands. |
| lowlands_center | Detect the centers of all gray value lowlands. |
| plateaus | Detect all gray value plateaus. |
| plateaus_center | Detect the centers of all gray value plateaus. |
| pouring | Segment an image by ``pouring water'' over it. |
| saddle_points_sub_pix | Subpixel precise detection of saddle points in an image. |
| watersheds | Extract watersheds and basins from an image. |
| watersheds_threshold | Extract watershed basins from an image using a threshold. |