Image processing apparatus

Details Image processing apparatus Image processing apparatus

1987-07-13

1988-02-02

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358283, H04N 140

Patent

active

047231734

ABSTRACT:
Image processing apparatus comprises a first processor for binarizing an input image data with a first threshold level, a second processor for binarizing the input image data with a second threshold level, and a selector for discriminating an image tone of the input image data and selecting one of the first and second processors in accordance with a discrimination result.

REFERENCES:
patent: 3466603 (1969-09-01), Shelton
patent: 4251837 (1981-02-01), Janeway
patent: 4414581 (1983-11-01), Kato et al.
patent: 4447830 (1984-05-01), Stoffel
patent: 4549220 (1985-10-01), Suzuki
patent: 4554594 (1985-11-01), Ciardiello
patent: 4575768 (1986-03-01), Sakai
patent: 4578711 (1986-03-01), White

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