By Frank Y. Shih
Advent electronic Watermarking electronic Steganography alterations among Watermarking and Steganography a short historical past Appendix: chosen record of Books on Watermarking and Steganography class in electronic Watermarking class in response to features class in line with functions Mathematical Preliminaries Least-Significant-Bit Substitution Discrete Fourier rework (DFT) Discrete Cosine remodel Discrete Wavelet remodel Random series new release The Chaotic Map errors Correction Code Set Partitioning in Hierarchical Tree electronic Waterm. Read more...
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Advent electronic Watermarking electronic Steganography variations among Watermarking and Steganography a short background Appendix: chosen checklist of Books on Watermarking and Steganography type in electronic Watermarking category in response to features type in line with purposes Mathematical Preliminaries Least-Significant-Bit Substitution Discrete Fourier remodel (DFT) Discrete Cosine rework Discrete Wavelet rework Random series new release The Chaotic Map errors Correction Code Set Partitioning in Hierarchical Tree electronic Waterm.
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4] Lin, S. -F. Chen. ” IEEE Trans. Consumer Electronics 46 (2000): 415.  Falkowski, B. J. ” Electronics Letters 34 (1998): 1084. , and W. R. Madych. ” IEEE Trans. Information Theory 38 (1992): 556.  Knuth, D. The Art of Computer Programming. Vol. 2. Reading, MA: AddisonWesley, 1981.  Ott, E. Chaos in Dynamical Systems. New York: Cambridge University Press, 2002. , G. Chen, and W. Liu. ” Chaos, Solitons and Fractals 22 (2004): 47.  Schmitz, R. ” J. Franklin Institute 338 (2001): 429.
Additionally, for given distortion and robustness levels, one would like to embed as much data as possible in a given host image. Podilchuk and Delp have presented a general framework for watermark embedding and detection/decoding , comparing the differences of various watermarking algorithms and applications in copyright protection, authentication, tamper detection, and data hiding. This chapter introduces the fundamental digital watermarking techniques, including the spatial-domain and frequency-domain embedding approaches and fragile and robust watermarking techniques.
If parameter r is between 0 and 3, the logistic map will converge to a particular value after some iterations. 57, the curves complete chaotic periodicity. 9, 4), the chaotic values are in the range of (0, 1). 13) 1 1 where det = 1 or − 1, and l and N respectively denote an integer and l l + 1 the width of a square image. 13. 8(a)) on an image of size 101 × 101, which contains a short horizontal line. 8(e). We observe that the neighboring pixels are now scattered everywhere around the image.