| http://www.w3.org/ns/prov#value | - A criterion for judging whether the regions are noise-like or not varies depending on the dummy image, so that a threshold value suitable for each image is required to be determined. [0080] When 2m???2m (usually, m=3) is taken as a local region size in a binary image, a region whose complexity value ?? satisfies ??TH????? for a threshold value ??TH is a place into which confidential date is embedd
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