Facsimile and static presentation processing – Natural color facsimile – Color photography previewer
Patent
1991-08-16
1993-12-07
Brinich, Stephen
Facsimile and static presentation processing
Natural color facsimile
Color photography previewer
358 28, H04N 9535
Patent
active
052687538
ABSTRACT:
A color image forming apparatus of the present invention is provided for reproducing on an image output medium an original color image formed on an image input medium, the image input and output media having first and second gamut, respectively. The color image forming apparatus obtains a color image data of the original color image for every picture element which is located inside of the first gamut. The color image data is color-compressed in a direction toward an achromatic color to obtain a color-compressed color image data located inside of the second gamut. The lightness value of the achromatic color is determined in accordance with a hue value of the color image data. The color-compressed color image data is transformed into a control signal data. A color image is recorded on the image output medium on the basis of the control signal data.
REFERENCES:
patent: 3825673 (1974-07-01), Schreiner et al.
patent: 3982273 (1976-09-01), Cochran
patent: 4458265 (1984-07-01), Yoshida et al.
patent: 4941038 (1990-07-01), Walowit
patent: 4959711 (1990-09-01), Hung et al.
Brinich Stephen
Brother Kogyo Kabushiki Kaisha
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