A wavelet-based watermarking algorithm f
โ Wang
๐ Library
๐ English
โฆ LIBER โฆ
๐
A Binary Images Watermarking Algorithm Based on Adaptable Matrix
โ Scribed by Zhang Fan, Zhang Junliang
- Year
- 2008
- Tongue
- English
- Leaves
- 89
- Category
- Library
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โฆ Synopsis
A watermarking algorithm of binary images using adaptable matrix is presented. An adaptable matrix is designed to evaluate the smoothness and the connectivity of binary images. The watermark is embedded according to the adaptable matrix in this algorithm. In the proposed watermarking algorithm, each image block implements a XOR operation with the binary adaptable matrix, which has the same size with the image block, and in order to embed the watermark data, a multiplication operation are also implemented with the weight matrix. The experimental results show that proposed scheme has a good performance.
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<P>This book presents watermarking algorithms derived from signal processing methods such as wavelet transform, matrix decomposition and cosine transform to address the limitations of current technologies. For each algorithm, mathematical foundations are explained with analysis conducted to evaluate