Image analysis – Color image processing – Color correction
Reexamination Certificate
2005-08-08
2008-11-04
Alavi, Amir (Department: 2624)
Image analysis
Color image processing
Color correction
C358S518000
Reexamination Certificate
active
07447357
ABSTRACT:
A method for adjusting an input image on the basis of the characteristics of a display system is provided. The input image includes N color elements and the display system is capable of displaying P second gray levels. P sets of first conversion coefficients related to the characteristics of the display system are beforehand stored in a look-up table. The method according to this invention first calculates an estimated gray level according to the input image and a set of predetermined second conversion coefficients. Then, a set of third conversion coefficients corresponding to the estimated gray level is selected from the look-up table. A final gray level is calculated on the basis of the set of third conversion coefficients. Finally, the final gray level and the N color components are combined into an adjusted image to replace the input image, whereby the input image is adjusted.
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Hsu Yung-Sheng
Kao Hsu-Pin
Shan Yi-Chia
Yu Yi-Sheng
A. Marquez, Esq. Juan Carlos
Alavi Amir
Fisher Esq. Stanley P.
Quanta Computer Inc.
Reed Smith LLP
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