Methods for reducing row and column patterns in a digital image
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United States of America Patent
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Jan 19, 2016
Grant Date -
Oct 30, 2014
app pub date -
Mar 31, 2014
filing date -
May 19, 2011
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Abstract
A method for performing column/row pattern suppression in a digital input image includes creating a smoothed version of the input image by averaging a set of columns/rows neighboring around the column/row being corrected. A difference image is constructed by subtracting the smoothed image from the input image. New column/row intensities are computed from the difference image. An output image is constructed with suppressed column/row patterns by subtracting the new column/row intensities from the input image.
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