METHOD AND SYSTEM FOR PROCESSING AN IMAGE
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United States of America Patent
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Jan 28, 2016
app pub date -
Jul 27, 2015
filing date -
Oct 13, 2009
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Abstract
A method of processing an image having a plurality of picture-elements is disclosed. The method comprises: preprocessing the image to selectively enhance contrast of some picture-elements of the image, and employing a companding procedure for the preprocessed image, thereby providing a processed image. The contrast enhancement optionally and preferably features a mapping function having a plateau region for diminishing image data with intensity levels below an intensity threshold, thereby providing a preprocessed image.
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