Image contrast enhancement
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United States of America Patent
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Jul 24, 2012
Grant Date -
Feb 15, 2007
app pub date -
Aug 9, 2006
filing date -
Apr 13, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A method for contrast enhancement for digital images, including filtering an original image having original color values, to generate a filtered image, receiving parameters for a response curve, the response curve being a function of color value that is user-adjustable, deriving local multipliers by applying the response curve to the filtered image, multiplying the original color values by the local multipliers, thereby generating a contrast-enhanced image from the original image. A system and a computer-readable storage medium are also described.
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