Digital Watermark And Application Study In Network Copyright Protection

With the rapid development of Internet technology and multimedia technology,, digitized information can be swift in the network with different form.. But the question brought thereupon is: Because content of digitization vary easy to duplicate, revise, network digital content and works that travel have a large number of pirate and infringe question With more and more digital contents as online e-book, music, film, picture, etc are spread in network. It is very important to looking for an effective way to protect copyright people and publishing the publisher's interests, it is more and more important to direct against the copyright protection of the digital content Digital watermark technology is one of the focuses which people study in recent years, in multimedia copyright protection, there is advantage that encryptions do not have in media's authentication technology, and also have very strong complementarity. In analyse at the content and foundation of characteristic that network publish carefully this text, publish works as research object , through it is use in copyright protection and authentication for measure digital watermark technology to analyse and research with network, and according to its one's own characteristic characteristics , compare its different stages in copyright protection and give play to the role of different protection; And then according to the procedure characteristic that publishes of the network, in implementing the purpose of copyright protection effectively, use common spoon theory and method , especially authentication construction experience , organization of CA , infrastructure of PKI, the construction way to study digital watermark infrastructure, has put forward a kind of systematic scheme of copyright protection based on digital watermark, in this article , we have introduced and set up systematic design frame and it is application in copyright protection Digitized technology and internet technology has accelerate the spreading of content of great traditional cultural product, but unconditional spread has dampenned the enthusiasm of expanding the publishing business of the network again, so it is very necessary to seeking perfected the digital copyright administrative This text based on digital watermark technology copyright protection system has two merits: on one hand , it can effective settlement protect interests copyright of people; on the other hand , it can track according to copyright function find direct infringer, it also can make these company have more confidence in deal with network publish business...