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Title: A novel CRT-based watermarking technique for authentication of multimedia contents
Authors: Karthik, A.
Patra, Jagdish Chandra
Bornand, Cedric
Keywords: DRNTU::Engineering::Electrical and electronic engineering::Electronic systems::Signal processing
Issue Date: 2009
Source: Patra, J. C., Karthik, A., & Bornand, C. (2009). A novel CRT-based watermarking technique for authentication of multimedia contents. Digital Signal Processing, 20(2), 442-453.
Series/Report no.: Digital signal processing
Abstract: Digital watermarking techniques have been proposed as a solution to the problem of copyright protection of multimedia data. In this paper, we propose a novel Chinese remainder theorem (CRT)-based technique for digital watermarking. The use of CRT for this purpose provides additional security along with resistance to some familiar attacks. We have shown that this technique is quite resilient to addition of the noise. We have compared performance of the proposed technique with recently reported two singular value decomposition (SVD)-based watermarking techniques and shown its superior performance in terms of tampering assessment function (TAF), computational efficiency and peak signal to noise ratio (PSNR). For example, the embedding time of the proposed CRT-based scheme is 6 and 3 times faster than the SVD-based Schemes 1 and 2, respectively. This technique can also be applied to document, audio and video contents.
ISSN: 1051-2004
DOI: 10.1016/j.dsp.2009.07.004
Rights: © 2009 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
Appears in Collections:SCSE Journal Articles

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