Computerized filing and retrieval system for signature and picto

Details Computerized filing and retrieval system for signature and picto Computerized filing and retrieval system for signature and picto

1990-05-23

1991-02-26

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 56, 3408253, 358102, G06K 900

Patent

active

049967142

ABSTRACT:
A camera is in communication with a microcomputer, having a memory. A plurality of communication controllers are in communication with the microcomputer, and each communication controller is in control of up to two monitors. Pictorial data from the camera is compressed and stored in the microcomputer memory. To display the pictorial data on a monitor, the monitor queries its associated communication controller which in turn queries the microcomputer. The microcomputer determines the location of the coded data associated with the pictorial document in the memory and decodes the coded data. The decompressed data is provided to the requesting monitor whereby to display the pictorial data on the screen of the requesting monitor.

REFERENCES:
patent: 3539715 (1970-11-01), Lemelson
patent: 3718908 (1973-02-01), Bloomstein
patent: 4020463 (1977-04-01), Himmel
patent: 4271430 (1981-06-01), O'Brien
patent: 4364024 (1982-12-01), Paetsch
patent: 4453267 (1984-01-01), Paganini et al.
patent: 4701960 (1987-10-01), Scott

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