A signature method for image data using
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Kazuhiro Oka; Kineo Matsui
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Article
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2000
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John Wiley and Sons
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English
β 763 KB
We introduce a signature method which uses partial scrambling to implement the concept of active copyright protection. Active copyright protection prevents the dishonest copying of multimedia by attaching to copyrighted information in the distributed contents a confirming signature, which can be rem