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Graphical Models for Desynchronization-Resilient Watermark Decoding | IEEE Conference Publication | IEEE Xplore

Graphical Models for Desynchronization-Resilient Watermark Decoding


Abstract:

The performance of current blind watermark decoders against desynchronization attacks is rather poor. Such attacks include filtering, amplitude modulation, gamma correcti...Show More

Abstract:

The performance of current blind watermark decoders against desynchronization attacks is rather poor. Such attacks include filtering, amplitude modulation, gamma correction, time-varying delays, and spatial warping. We propose a new family of watermark decoders based on modern methods for iterative decoding using graphical models. This approach addresses the "curse of dimensionality" problem that seemingly results when the desynchronization parameter space has high dimensionality.
Date of Conference: 16 September 2007 - 19 October 2007
Date Added to IEEE Xplore: 12 November 2007
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Conference Location: San Antonio, TX, USA

References

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