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Secure Hybrid Robust Watermarking Resistant Against Tampering and Copy Attack by F. Deguillaume; S. Voloshynovskiy; T. Pun is a Computer Science article available to read on EtoBox.

What is Secure Hybrid Robust Watermarking Resistant Against Tampering and Copy Attack about?

Digital watermarking appears today as an e cient mean of securing multimedia documents. Several application scenarios in the security of digital watermarking have been pointed out, each of them with di erent requirements. The three main identiÿed scenarios are: copyright protection, i.e. protecting ownership and usage rights; tamper prooÿng, aiming at detecting malicious modiÿcations; and authentication, the purpose of which is to check the authenticity of the originator of a document. While robust watermarks, which survive to any change or alteration of the protected documents, are typically used for copyright protection, tamper prooÿng and authentication generally require fragile or semi-fragile watermarks in order to detect modiÿed or faked documents. Further, most of robust watermarking schemes are vulnerable to the so-called copy attack, where a watermark can be copied from one document to another by any unauthorized person, making these schemes ine cient in all authentication applications. In this paper, we propose a hybrid watermarking method joining a robust and a fragile or semi-fragile watermark, and thus combining copyright protection and tamper prooÿng. As a result this

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Author

F. Deguillaume; S. Voloshynovskiy; T. Pun

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0165-1684)

Published

2003

Language

EN

Field

Computer Science (Physical Sciences)