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Digital Watermarking: Methods to Protect Digital Goods against Copyright Infringement as an Assumption for a Successful E-Business Integration

Digital Watermarking: Methods to Protect Digital Goods against Copyright Infringement as an Assumption for a Successful E-Business Integration
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Author(s): Tino Jahnke (University of Cooperative Education Heidenheim, Germany) and Juergen Seitz (University of Cooperative Education Heidenheim, Germany)
Copyright: 2003
Pages: 3
Source title: Information Technology & Organizations: Trends, Issues, Challenges & Solutions
Source Editor(s): Mehdi Khosrow-Pour, D.B.A. (Information Resources Management Association, USA)
DOI: 10.4018/978-1-59140-066-0.ch150
ISBN13: 9781616921248
EISBN13: 9781466665330

Abstract

Multimedia assets have to be marked steganographically to protect the rights of the owner. Digital watermarks are inserted as a bit sample or digital signal into the data with an embedding algorithm using a secret key. The embedded information is hidden (in low-value bits or least significant bits of picture pixels, or in frequency space) and connected inseparably with the data. For the optimal application of watermark technology a trade-off has to be made between competing criteria such as robustness, non-perceptibility, non-detectability, and security. Most watermark algorithms cannot tackle to attacks. Even friendly attacks in form of usual file modifications can destroy very easily the watermark or falsify it.

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