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An DWT-SVD Based Digital Image Watermarking Using a Novel Wavelet Analysis Function

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2 Author(s)
Khorasani, M.K. ; Dept. of Commun. Eng., Islamic Azad Univ., Gonabad, Iran ; Sheikholeslami, M.M.

Digital watermarking techniques have been developed to protect the copyright of multimedia objects such as text, audio, video, etc. In this paper, we propose SVD-based digital watermarking technique for robust watermarking of digital images for copyright protection. The security of the proposed scheme is increased by applying another wavelet function. We also demonstrate the good correlation between the embedded and the extracted watermark with the help of experimental results. One of the major advantages of the proposed scheme is the robustness of the technique on wide set of attacks. Analysis and experimental results show much improved performance of the proposed method in comparison with the pure SVD-based watermarking and the technique without using some wavelet function. Experimental results confirm that the proposed scheme provides good image quality of watermarked images.

Published in:

Computational Intelligence, Communication Systems and Networks (CICSyN), 2012 Fourth International Conference on

Date of Conference:

24-26 July 2012