Color correction device to correct errors in input and output po

Details Color correction device to correct errors in input and output po Color correction device to correct errors in input and output po

1996-05-20

1998-08-04

Frahm, Eric

Facsimile and static presentation processing

Facsimile

Recording apparatus

358504, 358518, 358520, H04N 100, H04N 146, G03F 308

Patent

active

057902615

ABSTRACT:
A color correcting device and a color correcting method in an image forming apparatus such as a color copying machine that rely on, a correction factor in a masking equation which is previously found for each predetermined hue range. It is judged which of a plurality of predetermined hue ranges corresponds to a hue corresponding to input data composed of color data in a plurality of colors. The input data is subjected to color correction using a masking equation using a correction factor corresponding to the judged hue range.

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patent: 5357353 (1994-10-01), Hirota
patent: 5461493 (1995-10-01), Venable

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