Pattern recognition system

Details Pattern recognition system Pattern recognition system

1974-03-27

1976-02-03

Boudreau, Leo H.

Communications: electrical

Digital comparator systems

178DIG33, 3401463AE, 3401463Y, G06K 912

Patent

active

039368009

ABSTRACT:
A pattern recognition system in which an image plane is divided into a large number of micro-regions, the image of the background has been stored in advance by a unit of the micro-region as invariable information independent of the brightness of the image plane, inputted images and the stored information are successively compared, and the proportion of occupation of the image plane by an object getting in the field of vision is detected.

REFERENCES:
patent: 3297993 (1967-01-01), Clapper
patent: 3522586 (1970-08-01), Kiji et al.
patent: 3701095 (1972-10-01), Yamaguchi et al.
patent: 3740466 (1973-06-01), Marshall et al.
patent: 3805239 (1974-04-01), Watanabe

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