其他标题:A practice of copyright protection applying digital watermark technology: Studying applications in still pictures and moving pictures, and exploration of future expectations
出版社:Japan Science and Technology Agency, Department of Advanced Databases
摘要:デジタルコンテンツにおける著作権保護の仕組みの一つとして,電子透かしがある。静止画の著作権保護では,放送局,新聞社,雑誌社の他,製造業などでも導入されている。一方,映像の著作権保護では,特定の事業者間のコンテンツ利用契約の順守を目的に導入されたケースはあるが,不特定の個人が動画投稿サイトに不正アップロードするのを抑止する目的では,処理時間と計算機パワーの問題に加えて,DRM(Digital Rights Management)との競合などもあり,導入は進んでいない。しかしながら今後は,DRMを補完する形で不正行為者を特定する用途や,STB(Set Top Box)などエッジ装置での電子透かし埋め込みの可能性もあり,引き続き適用先の開拓を進めてゆく。
其他摘要:Digital watermark is a data hiding technology applied to copyright protection of digital contents. In copyright protection of still pictures, it is used at broadcasting stations, newspaper companies, magazine companies, and also at manufacturing industries. Meanwhile, as for copyright protection of moving pictures, broadcasting firms sometimes apply digital watermark to keep their copy rights contracts, but in restricting illegal uploading to the video sharing website on personal basis, digital watermark has not prevailed because of its heavy load of processing and/or some other methods coming to the fore. However, digital watermark will be complement for other rights management methods and be embedded in edge devices such as Set Top Boxes. We will continue developing kinds of applications.
其他关键词:digital watermark ; copyright protection ; digital rights management ; DRM ; social DRM ; digital fingerprint ; Content ID ; content delivery platform ; video sharing website