Apparatus and method of enhancing color of image
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United States of America Patent
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Feb 7, 2012
Grant Date -
Jan 22, 2009
app pub date -
Oct 24, 2007
filing date -
Jul 20, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus and method of enhancing color of image is provided. The apparatus for enhancing color of image including: a saturation enhancement unit to enhance a saturation of an input image using a saturation variation according to a brightness feature of the input image; a gray scale area protection unit to determine a final saturation variation depending on a saturation value of the input image and the saturation variation, and to prevent a saturation enhancement of a gray scale area; a color control unit to control a color of the input image using a color variation according to the brightness feature of the input image; and a brightness value correction unit to correct a difference between a resultant brightness value and an input brightness value of the input image, the resultant brightness value being generated by applying the final saturation variation and the color variation to the input image.
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