Printer color correction

Details Printer color correction Printer color correction

2007-04-24

2007-04-24

Shah, Manish S. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C358S518000, C358S523000

Reexamination Certificate

active

10818883

ABSTRACT:
Techniques are disclosed for performing color correction in a color printer. An RGB test image is printed to produce a printed calibration image. Colors in the printed calibration image are measured and compared to expected color values. A color corrector generates a printer lookup table (LUT) based on this comparison. The LUT may be generated based on models of the printer's print engine and previous LUTs. The color corrections are applied to subsequent print jobs to improve the quality of color output. Color measurement and correction may be performed using a closed-loop system contained within the printer that includes a color measurement device (such as a scanner) and a computer.

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