Communications: electrical – Digital comparator systems
Patent
1973-10-11
1976-05-25
Boudreau, Leo H.
Communications: electrical
Digital comparator systems
3401463Y, G06K 904
Patent
active
039597717
ABSTRACT:
A pattern recognition apparatus for discriminating a body having a specified shape from a number of bodies, in which an image area, at which the image signal has a value within a specified range, within a specified region of the image of a body is measured and whether or not the image area is within the range predetermined by the body to be recognized is decided.
REFERENCES:
patent: 3192505 (1965-06-01), Rosenblatt
patent: 3196396 (1965-07-01), Reines
patent: 3237161 (1966-02-01), Rabinow
patent: 3295103 (1966-12-01), Driese
patent: 3400368 (1968-09-01), Le May
patent: 3492647 (1970-01-01), Otten et al.
patent: 3521236 (1970-07-01), Parks
patent: 3597731 (1971-08-01), Reitboeck et al.
patent: 3701095 (1972-10-01), Yamaguchi et al.
Ejiri Masakazu
Ikeda Sadahiro
Motoike Jun
Uno Takeshi
Boudreau Leo H.
Hitachi , Ltd.
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