Image signal processing apparatus for detecting the valid pictur

Details Image signal processing apparatus for detecting the valid pictur Image signal processing apparatus for detecting the valid pictur

1989-04-27

1993-07-27

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358451, 358909, H04N 138

Patent

active

052315177

ABSTRACT:
An image processing apparatus for processing a provided image signal includes a processor for processing the provided image signal in accordance with a classification between a valid image portion and non-valid image portion of the provided image signal.

REFERENCES:
patent: 4614977 (1986-09-01), Kawahara et al.
patent: 4910585 (1990-03-01), Smith et al.
patent: 5138460 (1992-08-01), Egawa
patent: 5153737 (1992-10-01), Kobayashi

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