A robust multiple watermarking scheme in the discrete wavelet transform domain

Peining Tao; Ahmet M. Eskicioglu

doi:10.1117/12.569641

25 October 2004 A robust multiple watermarking scheme in the discrete wavelet transform domain

Peining Tao, Ahmet M. Eskicioglu

Proceedings Volume 5601, Internet Multimedia Management Systems V; (2004) https://doi.org/10.1117/12.569641
Event: Optics East, 2004, Philadelphia, Pennsylvania, United States

Abstract

Because of the transition from analog to digital technologies, content owners are seeking technologies for the protection of copyrighted multimedia content. Encryption and watermarking are two major tools that can be used to prevent unauthorized consumption and duplication. In this paper, we generalize an idea in a recent paper that embeds a binary pattern in the form of a binary image in the LL and HH bands at the second level of Discrete Wavelet Transform (DWT) decomposition. Our generalization includes all four bands (LL, HL, LH, and HH), and a comparison of embedding a watermark at first and second level decompositions. We tested the proposed algorithm against fifteen attacks. Embedding the watermark in lower frequencies is robust to a group of attacks, and embedding the watermark in higher frequencies is robust to another set of attacks. Only for rewatermarking and collusion attacks, the watermarks extracted from all four bands are identical. Our experiments indicate that first level decomposition appear advantageous for two reasons: The area for watermark embedding is maximized, and the extracted watermarks are more textured with better visual quality.

Citation Download Citation

Peining Tao and Ahmet M. Eskicioglu "A robust multiple watermarking scheme in the discrete wavelet transform domain", Proc. SPIE 5601, Internet Multimedia Management Systems V, (25 October 2004); https://doi.org/10.1117/12.569641

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