Image processor with edge-preserving noise suppression functionality
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United States of America Patent
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Jul 5, 2016
Grant Date -
Jan 28, 2016
app pub date -
Aug 28, 2013
filing date -
Feb 5, 2013
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Abstract
An image processing system comprises an image processor configured to identify edges in an image, to apply a first type of filtering operation to portions of the image associated with the edges, and to apply a second type of filtering operation to one or more other portions of the image. By way of example only, in a given embodiment a clustering operation is applied to the image to identify a plurality of clusters, a first set of edges comprising edges of the clusters is identified, an edge detection operation is applied to the image to identify a second set of edges, a third set of edges is identified based on the first and second sets of edges, and the first type of filtering operation is applied to portions of the image associated with one or more edges of the third set of edges.
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