On the Necessity of Finding Content Before Watermark Retrieval: Active Search Strategies for Localising Watermarked Media on the Internet

On the Necessity of Finding Content Before Watermark Retrieval: Active Search Strategies for Localising Watermarked Media on the Internet

Martin Steinebach (Fraunhofer Institute for Secure Information Technology (SIT), Germany) and Patrick Wolf (Fraunhofer Institute for Secure Information Technology (SIT), Germany)
Copyright: © 2009 |Pages: 14
DOI: 10.4018/978-1-59904-869-7.ch006
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Abstract

Digital watermarking promises to be a mechanism for copyright protection without being a technology for copy prevention. This sometimes makes it hard to convince content owners to use digital watermarking for protecting their content. It is only a passive technology adding information into the content to be protected. Therefore some active mechanism is required that completes the protection. This needs to be a search mechanism that localises potentially watermarked media on the Internet. Only then the passive information embedded in the content can help to fight illegal copies. We discuss strategies and approaches for retrieving watermarks from the Internet with the help of a media search framework. While various Internet domains like HTML pages (the Web), eBay, or FTP are discussed, the focus of this work is on content shared within peer-to-peer (P2P) networks.

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