| depth_from_focus | Extract depth using mutiple focus levels. |
| estimate_al_am | Estimate the albedo of a surface and the amount of ambient light. |
| estimate_sl_al_lr | Estimate the slant of a light source and the albedo of a surface. |
| estimate_sl_al_zc | Estimate the slant of a light source and the albedo of a surface. |
| estimate_tilt_lr | Estimate the tilt of a light source. |
| estimate_tilt_zc | Estimate the tilt of a light source. |
| phot_stereo | Reconstruct a surface from at least three gray value images. |
| select_grayvalues_from_channels | Selection of gray values of a multi channel image using an index image. |
| sfs_mod_lr | Reconstruct a surface from a gray value image. |
| sfs_orig_lr | Reconstruct a surface from a gray value image. |
| sfs_pentland | Reconstruct a surface from a gray value image. |
| shade_height_field | Shade a height field. |