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Information embedding apparatus, information extracting apparatus, information embedding method, information extracting method, information embedding program, information extraction program, and information storage medium
Information embedding apparatus, information extracting apparatus, information embedding method, information extracting method, information embedding program, information extraction program, and information storage medium
PPROBLEM TO BE SOLVED: To provide an information embedding apparatus whose embedded information to contents has immunity to edit or like processing applied to the contents without decreasing a substantial amount of the information embedded to the contents and to provide an information extract apparatus for extracting the embedded information. PSOLUTION: The information embedding apparatus for embedding sub information to the contents includes: an associated information management means for managing associated information with the contents and the sub information in cross reference with each other; and an information embedding means for embedding the sub information to the contents. The information extract apparatus extracts the embedded sub information. PCOPYRIGHT: (C)2007,JPO&INPIT
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