On the security of a robust watermarking scheme based on RDWT-SVD

Authors:
Huo-Chong Ling;Raphael C. -W. Phan;Swee-Huay Heng
Affiliations:
Research Group of Cryptography and Information Security, Centre for Multimedia Security and Signal Processing, Multimedia University, Malaysia;Loughborough University, United Kingdom;Research Group of Cryptography and Information Security, Centre for Multimedia Security and Signal Processing, Multimedia University, Malaysia
Venue:
FGIT'11 Proceedings of the Third international conference on Future Generation Information Technology
Year:
2011

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Abstract

Image watermarking schemes allow a cover image to be embedded with a watermark for diverse applications, such as copyright protection and covert communication. Recently, a hybrid image watermarking scheme based on redundant discrete wavelet transform and singular value decomposition is proposed by Lagzian et al. This scheme demonstrates high robustness against common image processing attacks such as geometric attack, JPEG compression, Gaussian noise and histogram equalization. In this paper, we present a fundamental flaw in the scheme that leads to false-positive detection problem and hence, undermines the robustness and suitability of the scheme to be used as a proof of ownership application.