Image analysis – Color image processing – Color correction
Reexamination Certificate
2006-09-13
2009-12-29
Alavi, Amir (Department: 2624)
Image analysis
Color image processing
Color correction
C382S274000, C382S275000
Reexamination Certificate
active
07639871
ABSTRACT:
A method for eliminating color shift phenomenon that produces due to high or lower brightness in an image, includes: firstly, transforming an image datum into a frequency domain with a brightness signal and a chrominance signal; and then adjusting chrominance for each pixel according to judgment of brightness of different pixel in order to eliminate color shift of high or lower brightness. Moreover, because color shift is eliminated by a linear formula, the chrominance of each pixel is changed gradually and no fault.
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Alavi Amir
Hon Hai Precision Industry Co. Ltd.
Ma Zhigang
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