A perceptually driven hybrid additive-multiplicative watermarking technique in the wavelet domain

Florent Autrusseau; Sylvain David; Vinod Pankajakshan; Patrizio Campisi

doi:10.1117/12.872393

10 February 2011 A perceptually driven hybrid additive-multiplicative watermarking technique in the wavelet domain

Florent Autrusseau, Sylvain David, Vinod Pankajakshan, Patrizio Campisi

Proceedings Volume 7880, Media Watermarking, Security, and Forensics III; 78800B (2011) https://doi.org/10.1117/12.872393
Event: IS&T/SPIE Electronic Imaging, 2011, San Francisco Airport, California, United States

Abstract

This paper presents a hybrid watermarking technique which mixes additive and multiplicative watermark embedding with emphasis on its robustness versus the imperceptibility of the watermark. The embedding is performed in six wavelet sub-bands using independently three embedding equations and two parameters to modulate the embedding strength for multiplicative and additive embedding. The watermark strength is independently modulated into distinct image areas. Specifically, when a multiplicative embedding is used, the visibility threshold is first reached near the image edges, whereas using an additive embedding technique the visibility threshold is first reached into the smooth areas. A subjective experiment has been used to provide the optimal watermark strength for three distinct embedding equations. Observers were asked to tune the watermark amplitude and to set the strength at the visibility threshold. The experimental results showed that using an hybrid watermarking technique significantly improves the robustness performance. This work is a preliminary study for the design of an optimal wavelet domain Just Noticeable Difference (JND) mask.

Citation Download Citation

Florent Autrusseau, Sylvain David, Vinod Pankajakshan, and Patrizio Campisi "A perceptually driven hybrid additive-multiplicative watermarking technique in the wavelet domain", Proc. SPIE 7880, Media Watermarking, Security, and Forensics III, 78800B (10 February 2011); https://doi.org/10.1117/12.872393

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