Pattern recognition system utilizing a plurality of partial stan

Details Pattern recognition system utilizing a plurality of partial stan Pattern recognition system utilizing a plurality of partial stan

1976-03-29

1977-03-22

Thesz, Joseph M.

Communications: electrical

Digital comparator systems

3401463Q, G06K 908

Patent

active

040140008

ABSTRACT:
A pattern recognition system comprises a picture tube for picking up an object to be recognized, a partial image pattern cutting out apparatus which, in turn, outputs a plurality of partial image patterns cut out from an image pattern obtained from the picture tube, the partial image patterns being output in synchronization with the scanning of the picture tube and a memory storing a plurality of partial standard patterns. Each of the partial image patterns is compared with the respective partial standard patterns and the respective partial image patterns similar to each partial standard pattern are grouped every partial standard pattern. A group of the partial image patterns, each of which is closely spaced from each other in a position of two-dimensional coordinate is selected from each group of the grouped partial image patterns and the respective representative positions of the respective elected groups of the partial image patterns are calculated. The shape and the position of the object to be recognized can be detected from the fact that the respective representative positions are closely spaced from each other in a position of a two-dimensional coordinate.

REFERENCES:
patent: 3613080 (1971-10-01), Angeloni et al.
patent: 3898617 (1975-08-01), Kashioka et al.
patent: 3905018 (1975-09-01), Gray
patent: 3959771 (1976-05-01), Uno et al.

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