System and method for increasing the bit depth of images
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United States of America Patent
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Mar 15, 2016
Grant Date -
Feb 11, 2016
app pub date -
Aug 6, 2014
filing date -
Aug 6, 2014
priority date (Note) -
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Abstract
A method for processing an image having a first bit depth includes performing two or more iterations of a bit depth enhancement operation that increases the bit depth of the image to a second bit depth that is higher than the first bit depth. The bit depth enhancement operation includes dividing the image into a plurality of areas, performing an edge detection operation to identify one or more areas from the plurality of areas that do not contain edge features, and applying a blur to the one or more areas from the plurality of areas that do not contain edge features. In a first iteration of the of the bit depth enhancement operation, the plurality of areas includes a first number of areas, and the number of areas included in the plurality of areas decreases with each subsequent iteration of the bit depth enhancement operation.
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