Abstract
This paper presents a spread spectrum (SS) watermarking technique that is secure against carriers estimation in a Watermark Only Attack framework. After reviewing the sufficient conditions to design secure algorithms for watermarking and steganography, we present a setup based on Blind Source Separation (BSS) theory to assess the lack of security of classical SS techniques such as classical SS or ISS. We motivate a new SS watermarking algorithm called Natural Watermarking (NW) where the estimation of the secret carriers is impossible and which achieves perfect secrecy thanks to unchanged Gaussian distributions of the secret carriers. The theoretical evaluation of the NW security is carried out and the case of multi-bit embedding is addressed. Finally, a robust extension of NW is presented and the properties of NW and Robust-NW are both practically verified.
Keywords
- Independent Component Analysis
- Spread Spectrum
- Watermark Scheme
- Blind Source Separation
- Information Leakage
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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© 2007 Springer-Verlag Berlin Heidelberg
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Bas, P., Cayre, F. (2007). Natural Watermarking: A Secure Spread Spectrum Technique for WOA. In: Camenisch, J.L., Collberg, C.S., Johnson, N.F., Sallee, P. (eds) Information Hiding. IH 2006. Lecture Notes in Computer Science, vol 4437. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-74124-4_1
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DOI: https://doi.org/10.1007/978-3-540-74124-4_1
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-74123-7
Online ISBN: 978-3-540-74124-4
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