| corner_response | Searching corners in images. |
| exhaustive_match | Matching of a template and an image. |
| exhaustive_match_mg | Matching a template and an image in a resolution pyramid. |
| fill_dvf | Expansion of a displacement vector field onto undefined areas. |
| gen_gauss_pyramid | Calculating a Gauss pyramid. |
| monotony | Calculating the monotony operation. |
| optical_flow_match | Calculating the Displacement vector field by correlation methods. |