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Digital image watermarking has been proposed for treatment of the problem of copyright protection, authentication of digital data and ownership identification. In this paper a robust and secure digital image watermarking method based on Redundant Discrete Wavelet Transform (RDWT) and block-by-block SVD (Singular Value Decomposition) is presented. The watermark image is encrypted (scramble watermark) by using Cipher block chaining (CBC) to enhance its privacy and robustness. In the proposeddoi:10.14257/ijsia.2017.11.1.21 fatcat:db33hfoarncvvldt3ffmc3cjrm