| http://www.w3.org/ns/prov#value | - supplying a progression of N-line windows of the image, where N is a positive integer, where 1<N<<K and where N is independent of K; performing vertical high pass filtering on each N-line window that has been supplied; and performing vertical low pass filtering on each N-line window that has been supplied; the vertical filtering performed at orientations including 0 degrees, ???23 degrees, and ???
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