DIFF Subgroup
G06V 30/1983 Full Title
Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition (scanning, transmission or reproduction of documents or the like H04N1/00) > Character recognition > Recognition using electronic means > using sequential comparisons of the image signals with a plurality of references
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.