| http://www.w3.org/ns/prov#value | - unit; and repeating and displaying these frames, wherein said frame is converted to four types of frames, in which different pixel windows are units, respectively, and, for each pixel window, the pixel data of each said unit pixel window 2 rows by 2 columns is used as is in the positions at the four comers of each unit pixel window 3 rows by 3 columns as well as either adjoining pixel data in the
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