Apparatus and method for correcting color image data according t

Details Apparatus and method for correcting color image data according t Apparatus and method for correcting color image data according t

1992-03-06

1995-03-14

Picard, Leo P.

Photocopying

Contact printing

Light boxes

358517, 358523, G03G 1501

Patent

active

053981090

ABSTRACT:
In a color correcting method for use in a color image forming apparatus, color image data are calculated and then corrected by solving a masking equation by allotting the tone number of input image data according to the value of each coefficient of reflection density of each of three primary colors in the masking equation.

REFERENCES:
patent: 3977007 (1976-08-01), Berry et al.
patent: 4060829 (1977-11-01), Sakamoto
patent: 4789892 (1988-12-01), Tsuzuki et al.
patent: 5162925 (1992-10-01), Takaoka et al.
A. R. Harbury, "A Color-Corrected Halftone Algorithm for Bilevel Printers", 1989 SID International Symposium: Digest of Technical Papers, vol. XX, Baltimore Md., U.S, pp. 90-93 (May 1989).

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