Method for bilateral filtering of digital images
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United States of America Patent
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Sep 21, 2010
Grant Date -
May 22, 2008
app pub date -
Jan 29, 2008
filing date -
Jul 31, 2003
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Abstract
A method for processing an image using a bilateral filter. The bilateral filter is reformulated at each pixel location in the image into a sum of the original signal value of a central pixel at said pixel location and a bilateral correction term which is a function of local signal differences between the central pixel and its neighbors. The bilateral correction term is calculated using a computationally efficient approximation.
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