Color image processing apparatus

Details Color image processing apparatus Color image processing apparatus

1992-10-28

1996-02-06

Ro, Bentsu

Facsimile and static presentation processing

Facsimile

Image reproduction system

358443, 358448, 358522, H04N 160, H04N 146

Patent

active

054899893

ABSTRACT:
An image processing apparatus, capable of secure color judging regardless of the kind of the original image, is disclosed. The apparatus is provided with color judging means for color judgment from input image data, and background color detection means (CPU) for detecting the background color of the image data, and color judging areas of the color judging means are modified according to the hue, luminocity or saturation of the background color detected by said background color detection means.

REFERENCES:
patent: 4656665 (1987-04-01), Pennebaker
patent: 5068910 (1991-11-01), Ogura
patent: 5196922 (1993-03-01), Yeomans
patent: 5289296 (1994-02-01), Yamada
patent: 5289297 (1994-02-01), Bollman et al.
patent: 5327158 (1994-07-01), Takahashi et al.

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