DIFF Subgroup
G06V 40/174 Full Title
Recognition of biometric, human-related or animal-related patterns in image or video data > Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands > Human faces, e.g. facial parts, sketches or expressions
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.