Vector signal and digital filter processors in character recognition

The techniques discussed arise from work on data compression for facsimile or for document databases and processing that will be found in new generations of photocopiers. It is assumed that suitable segmentation methods will have isolated textual characters, line drawings, and possibly photographs. In the authors´ system characters are dealt with by symbol pattern matching, whilst adaptive Huffmann style or relative address designate encoding is used for the line drawings. The concern of the paper is symbol pattern matching