| http://www.w3.org/ns/prov#value | - means for accepting an N byte set of values for each of a plurality of image components, with N being greater than one; means for identifying a compressed symbol length, K, for each N byte set of values, wherein K is the smallest integer such that the difference between any two adjacent bytes is expressible in K bits or less; means for outputting an indication of K for each N byte set of values; a
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