Digital Image Watermarking: Novel Algorithms

Digital Image Watermarking: Novel Algorithms

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Watermarking is widely acknowledged as a trustworthy mechanism to provide security to the multimedia applications. In this book, five different novel watermarking algorithms are described to address the problem of digital multimedia (images) security. Different approaches are implemented for gray scale and multichannel color image watermarking such as Discrete Wavelet Transform with subband threshold computing, Complex Number Principle, Discrete Cosine Transforms and Lifting Wavelet Transform with Singular Value Decomposition. These algorithms exhibit different characteristics such as adaptive...