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Title: A Novel DCT domain CRT-based watermarking scheme for image authentication surviving JPEG compression
Authors: Phua, Jiliang E.
Patra, Jagdish Chandra
Bornand, Cedric
Keywords: DRNTU::Engineering::Electrical and electronic engineering::Electronic systems::Signal processing
Issue Date: 2010
Source: Patra, J. C., Phua, J. E., & Bornand, C. (2010). A novel DCT domain CRT-based watermarking scheme for image authentication surviving JPEG compression. Digital Signal Processing, 20(6), 1597-1611.
Series/Report no.: Digital signal processing
Abstract: Digital watermarking techniques have been proposed for copyright protection and authentication of multimedia data. In this paper, we propose a novel Chinese Remainder Theorem (CRT)-based technique for digital watermarking in the Discrete Cosine Transform (DCT) domain that is robust to several common attacks. We compared the performance of the proposed technique with recently proposed Singular Value Decomposition (SVD)-based and spatial CRT-based watermarking schemes. Experimental results have shown that the proposed technique successfully makes the watermark perceptually invisible and has better robustness to common image manipulation techniques such as JPEG compression, brightening and sharpening effects compared to the spatial domain-based CRT scheme. The proposed scheme is able to achieve a Tamper Assessment Function (TAF) value of less than 10% when the watermarked image undergoes JPEG compression between a range of 50 to 70%, where as, the spatial CRT-based scheme produce TAF value of more than 35% and the SVD-based scheme produces TAF value between 10 to 40% depending on the host image, for the same range of compression. When the watermark capacity is doubled, the proposed technique is still able to maintain imperceptibility and low TAF values, for most of the attacks.
ISSN: 1051-2004
DOI: 10.1016/j.dsp.2010.03.010
Rights: © 2010 Elsevier. This is the author created version of a work that has been peer reviewed and accepted for publication by Digital Signal Processing, Elsevier.  It incorporates referee's comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document.  The published version is available at: [DOI:].
Fulltext Permission: open
Fulltext Availability: With Fulltext
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