Color reproducing system for reproducing a color of an...

Details Color reproducing system for reproducing a color of an... Color reproducing system for reproducing a color of an...

2005-02-15

2005-02-15

Garber, Wendy R. (Department: 2612)

Television

Camera, system and detail

With object or scene illumination

C348S223100

Reexamination Certificate

active

06856354

ABSTRACT:
This invention includes an RGB color camera for photographing an object under photographing illumination light, a simplified spectrophotometer for measuring a photographing illumination light spectrum, and a color correction device for calculating tristimulus value data of the object and converting the data into an input signal to a CRT monitor by using monitor profile data. On the observation side, a CRT monitor and illumination light colorimeter for measuring the tristimulus values of observation illumination light are arranged. A color correction device can perform color reproduction without being influenced by changes in the color perception characteristics of a person such as chromatic adaptation by reproducing a virtual illumination light spectrum having tristimulus values equal to those of the observation illumination light without measuring any observation illumination light spectrum.

REFERENCES:
patent: 5956015 (1999-09-01), Hino
patent: 6075563 (2000-06-01), Hung
patent: 6081254 (2000-06-01), Tanaka et al.
patent: 6466334 (2002-10-01), Komiya et al.
patent: 6639628 (2002-10-01), Lee et al.
patent: 6549653 (2003-04-01), Osawa et al.
“Color Appearance Models”, Mark D. Fairchild, Addison Wesley (1998), entire document.

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