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A robust digital image watermarking method using Dual Tree Complex Wavelet Transform

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3 Author(s)
Samira Mabtoul ; LRIT-GSCM, University Mohamed V, Rabat, Morocco ; El hassan Ibn Elhaj ; Driss Aboutajdine

In this paper, a robust watermarking scheme based on Dual Tree Complex Wavelet Transform (DT-CWT) is proposed. The embedded watermark image is preprocessed with a random location matrix. The original image is transformed in the complex wavelet domain by using DT-CWT, then, according to the characteristics of the image data, the preprocessed watermark image is adaptively spread spectrum and added into the host image DT-CWT coefficients. The watermark detection process is accomplished without referring to the original image. Simulation results are presented to demonstrate the effectiveness of the proposed algorithm.

Published in:

Computers and Communications, 2008. ISCC 2008. IEEE Symposium on

Date of Conference:

6-9 July 2008