Methods for digital image sharpening with noise amplification avoidance
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United States of America Patent
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Sep 30, 2014
Grant Date -
Nov 22, 2012
app pub date -
May 7, 2012
filing date -
May 19, 2011
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Abstract
A method for sharpening an original digital image includes generating a smoothed image from the original image. A residual image is generated from the smoothed image and the original image. A sharpened smoothed image is generated. The residual image and the sharpened smoothed image are combined to produce a sharpened version of the original image.
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