Method and apparatus for reproducing color image

Details Method and apparatus for reproducing color image Method and apparatus for reproducing color image

1986-09-29

1987-06-23

Evans, Arthur G.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

358282, G03F 308

Patent

active

046757040

ABSTRACT:
A color image output device scans an original image and reproduces the image on a color printer. The device includes an input unit which derives a plurality of color signals corresponding to each picture element of the original image. The color signals are converted into a set of luminance and subtracted color signals. The set of luminance and subtracted color signals are then converted into a set of ink concentration signals for the color printer using a conversion table.
The conversion table stores sets of ink concentration signals which are within a reproducible range of colors by the color printer. Where the set of luminance and subtracted color signals do not correspond to a reproducible color by the printer, an alternate set of reproducible ink concentration signals are provided by the conversion table.

REFERENCES:
patent: 4535413 (1985-08-01), Shiota et al.
Principles of Color Reproduction--pp. 255/281; John A. C. Yule; John Wiley & Sons, Inc., (1967).
The Journal of the Institute of Television Engineers of Japan 37,7; p. 551--Tone and Color Reproduction Method for Hard-Copy Printer; Hiroaki Kotera; 1983.

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