Color image processing apparatus

Details Color image processing apparatus Color image processing apparatus

1995-05-24

1998-03-24

Couso, Jose L.

Image analysis

Pattern recognition

Feature extraction

G06K 946

Patent

active

057321531

ABSTRACT:
A color image processing apparatus for digitally reading a color document and effecting digital printing comprises a character region extracting device for extracting a character region of the color document; a black portion extracting device for extracting a black portion of the color document; and a single black color processing device for processing a single black color only with respect to a region which falls within the character region and the black portion in the color document, so as to allow character portions to be distinguished favorably.

REFERENCES:
patent: 4251837 (1981-02-01), Janeway, III
patent: 4486785 (1984-12-01), Lasher et al.
patent: 4554593 (1985-11-01), Fox et al.
patent: 4742400 (1988-05-01), Tsuji
patent: 5018024 (1991-05-01), Tanioka

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