| http://www.w3.org/ns/prov#value | - The representative color setter 110 obtains and registers RGB components of the representative colors of the four regions GR, GL, BR, and WH. Generally, N representative colors are registered where N is an integer of 2 or more. [0037] At step S3 (FIG. 3), the pre-processor 120 (FIG. 1) performs smoothing process (blurring process) on a color image targeted for processing.
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