Method and apparatus for analysing an array of pixel-to-pixel dissimilarity values by combining outputs of partial filters in a non-linear operation
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United States of America Patent
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Dec 27, 2016
Grant Date -
Oct 10, 2013
app pub date -
Mar 15, 2013
filing date -
Apr 4, 2012
priority date (Note) -
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Abstract
In for example the assignment of motion vectors, an array of pixel-to-pixel dissimilarity values is analyzed to identify a pixel which has a low pixel-to-pixel dissimilarity value and which has neighboring pixels which have a low pixel-to-pixel dissimilarity value. The pixel-to-pixel dissimilarity values are filtered with a filter aperture decomposed into two or more sectors with partial filters applied respectively to each sector. Outputs of the partial filters are combining by a non-linear operation, for example taking the minimum from diametrically opposed sectors.
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