Image area discriminating device

Details Image area discriminating device Image area discriminating device

1991-04-23

1994-09-27

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358448, 358456, H04N 140

Patent

active

053511387

ABSTRACT:
An image area dicriminating device for a digital copier, facsimile machine, scanner or similar imaging equipment. The device determines whether areas constituting an input image each has undergone dot processing or not automatically.

REFERENCES:
patent: 4403257 (1983-09-01), Hsieh
patent: 4827433 (1989-05-01), Kamon
patent: 4901363 (1990-02-01), Toyokawa
patent: 4984283 (1991-01-01), Sakano

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