Color image processing apparatus

Details Color image processing apparatus Color image processing apparatus

1994-01-28

1995-10-10

Coles, Sr., Edward L.

Facsimile and static presentation processing

Natural color facsimile

358519, 358520, 358530, 358518, H01N 146

Patent

active

054575486

ABSTRACT:
A color image processing apparatus includes an input unit for inputting a plurality of color component signals representing a color image, a first operation unit for obtaining differences between a specified color component signal among the plurality of color component signals and other color component signals and outputting the differential signals, a second operation unit for smoothing-processing the differential signals obtained by the first operation unit, and a third operation unit for adding the differential signals smoothing-processed by the second operation unit and the specified color component signal and outputting the result as the other color component signals.

REFERENCES:
patent: 4953014 (1990-08-01), Takaragi
patent: 4974072 (1990-11-01), Hasegawa
patent: 4985760 (1991-01-01), Maeshima et al.
patent: 4999717 (1991-03-01), Nagashima
patent: 5089884 (1992-02-01), Suzuki et al.
patent: 5157481 (1992-10-01), Kashimura
patent: 5165072 (1992-11-01), Kurita et al.
patent: 5321529 (1994-06-01), Funada

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