Capacity enhancement of compressed domain watermarking channel using duo-binary coding

Authors:
Ivan Damnjanovic;Ebroul Izquierdo
Affiliations:
Department of Electronic Engineering, Queen Mary, University of London, London, United Kingdom;Department of Electronic Engineering, Queen Mary, University of London, London, United Kingdom
Venue:
IWDW'06 Proceedings of the 5th international conference on Digital Watermarking
Year:
2006

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Abstract

One of the main goals of watermarking is to optimize capacity while preserving high video fidelity. This paper describes a watermarking scheme based on the spread spectrum paradigm with capacity enhancement using a state-of-the-art error correction technique – duo-binary turbo coding. A new watermark composition with novel bit-wise watermark bits interleaving scheme and bit-rate control on the macro-block level is proposed. In previous works, the perceptual watermark adjustment was mainly based on Watson Just Noticeable Difference (JND) model. A new JND estimation model based on block classification is presented. In addition, experimental results on perceptibility and robustness to transcoding are reported.