Methods and apparatus for determining colorant limits for...

Details Methods and apparatus for determining colorant limits for... Methods and apparatus for determining colorant limits for...

2004-04-30

2009-12-08

Poon, King Y (Department: 2625)

Facsimile and static presentation processing

Natural color facsimile

Measuring, testing, and calibrating

C358S001900, C358S500000, C382S167000

Reexamination Certificate

active

07630106

ABSTRACT:
Methods and apparatus are provided for calibrating a digital color imaging device to a printing press by determining a total colorant limit, per-channel colorant limits, and channel linearization tables using colorimetric and/or spectrophotometric techniques. In addition, for digital color imaging devices that use multi-hue colorants, methods and apparatus are provided for determining distribution functions for the multi-hue colorants as a function of input values.

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Stefan Livens and Marc Mahy, “Quality managed proofing: The road to visual consistency,” Presented at the 29th International IARIGAI Research Conference, Sep. 8-11, 2002, Switzerland.

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