| http://www.w3.org/ns/prov#value | - 20100031014INFORMATION CONCEALING DEVICE, METHOD, AND PROGRAM - An information concealing device comprises a mask means for prompting the user to specify a secret area in an input image, a secret area specifying means for generating image data describing the image of the specified area in the input image and describing an area other than the specified area in a single color, an encoding means for
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