Information record/retrieval device

Details Information record/retrieval device Information record/retrieval device

1986-12-11

1989-01-10

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

235375, G06K 900

Patent

active

047979461

ABSTRACT:
An information record/retrieval device registers information by storing retrieval information formed thereon and searches desired information by using the stored retrieval information. Retrieval information is formed in a specified format which can be entered through an image input device which feeds image information to a control processing unit.

REFERENCES:
patent: 3914578 (1975-10-01), Bigelow et al.
patent: 4157783 (1979-06-01), Muster et al.
patent: 4264808 (1981-04-01), Owens et al.
patent: 4283621 (1981-08-01), Pembroke
patent: 4408181 (1983-10-01), Nokayama
patent: 4555803 (1985-11-01), Hirose
patent: 4686704 (1987-08-01), Kamada et al.

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