Apparatus and method for compensating color, and image...

Details Apparatus and method for compensating color, and image... Apparatus and method for compensating color, and image...

2007-05-25

2011-11-15

Dang, Hung (Department: 2873)

Television

Camera, system and detail

Combined image signal generator and general image signal...

Reexamination Certificate

active

08059169

ABSTRACT:
An aspect of the present invention features an apparatus for compensating color deviation of an image that has uneven color deviation. The apparatus can comprises: a color deviation analyzing module that analyzes luminance of each color component of each pixel composing the image and determines a color component having the highest or lowest rate of luminance change as an object color component, wherein the rate of luminance change is analyzed in the direction from a central pixel to a corner pixel of the image; a compensation table generating module that creates a plurality of sections from a beginning point, depending on a distance from the central pixel, and generates a compensation table for boundary pixels of each section with compensation values that are produced based on the luminance of the object color component; a compensation image generating module that generates a compensation image for the whole image, using the compensation table; and a compensating module that compensates the color deviation by applying the compensation image to the image.

REFERENCES:
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patent: 7683948 (2010-03-01), Yanof et al.
patent: 2004/0247201 (2004-12-01), Arazaki
patent: 2005/0013505 (2005-01-01), Nishimura et al.
patent: 2003-18447 (2003-01-01), None
patent: 2005-175913 (2005-06-01), None

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