G06V 30/32

Definition

(Für diese Definition ist die deutsche Übersetzung noch nicht abgeschlossen)

Preprocessing, feature extraction, matching, recognition and classification of all kinds of handwritten characters, symbols, drawings, except signatures, on the basis of trajectories as a function of time of a stylus, finger etc. Trajectories can be acquired by a touch pad/screen or by a stylus-like device (in collaboration with a passive or active surface).

Segmentation of strokes, characters or words.

Text and character recognition using temporal information, e.g. free-form handwriting, Asian scripts.

Recognition of drawings using temporal information, e.g. sketches, flow charts, graphical or mathematical symbols or formulae, chemical structure formulae, editorial notes, proof marks.

Examples

Example of recognising a handwritten flow-chart

Recognising handwritten mathematical symbols

Uni-strokes for computerised interpretation of handwriting

Beziehungen zu anderen Klassifikationsstellen

The recognition of signatures is considered as a biometric trait and it is covered by group G06V 40/30. If functional details concerning the temporal analysis of the digital ink used for signature recognition are present, double classification with the present group is recommended. The present group assumes that the digital ink is inherently provided with temporal information which is relevant during processing. If the temporal information is not relevant, the character recognition groups provided under group G06V 30/10 apply.

Querverweise

Informative Querverweise

Glossar