By Frank Y. Shih
This booklet intends to supply a accomplished evaluate on diverse points of mechanisms and strategies for info safety. it truly is written for college kids, researchers, and pros learning within the box of multimedia protection and steganography. Multimedia protection and steganography is mainly appropriate as a result international scale of electronic multimedia and the speedy progress of the net. electronic watermarking know-how can be utilized to assure authenticity and will be utilized as facts that the content material has now not been altered considering the fact that insertion. up to date concepts and advances in watermarking are explored during this re-creation. The combinational spatial and frequency domain names watermarking method presents a brand new idea of enlarging the embedding skill of watermarks. The genetic set of rules (GA) established watermarking procedure solves the rounding errors challenge and supply an effective embedding method. each one bankruptcy presents the reader with a primary, theoretical framework, whereas constructing the wide complex thoughts and contemplating the fundamental rules of the electronic watermarking and steganographic structures. numerous powerful algorithms which are provided all through illustrate the framework and supply advice and instruments in figuring out and enforcing the basic principles.
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Additional info for Digital Watermarking and Steganography: Fundamentals and Techniques
A chaos-based robust wavelet-domain watermarking algorithm, Chaos, Solitons and Fractals , 22, 47, 2004. , Use of chaotic dynamical systems in cryptography, J. Franklin Institute , 338, 429, 2001. , Addison-Wesley, Redwood City, CA, 1989. Peterson, W. , Error-Correcting Codes , MIT Press, Cambridge, MA, 1972. Said, A. and Pearlman, W. , A new, fast, and efficient image code based on set partitioning in hierarchical trees, IEEE Trans. Circuits and Systems for Video Technology , 6, 243, 1996.
Consumer Electronics , 46, 415, 2000. 6. , Secure hybrid robust watermarking resistant against tampering and copy attack, Signal Processing , 83, 2133, 2003. 7. Sun, Q. , Semi-fragile image authentication using generic wavelet domain features and ECC, in Proc. IEEE Int. Conf. Image Processing , 2002, 901. 8. Wong, P. , A public key watermark for image verification and authentication, in Proc. IEEE Int. Conf. on Image Processing , Chicago, IL, 1998, 425. 9. Celik, M. U. , Hierarchical watermarking for secure image authentication with localization, IEEE Trans.
10 0 1 2 00000 00001 00010 E F G 01101 01110 01111 9 A B C 01001 01010 01011 01100 S T U V 11100 11101 11110 11111 A coding example of 32 symbols. 11 Receiver obtained 00 10 01 No error Error Error 00 ?? An example of detecting the correctness of the obtained message. given. The coding rule is defined as choosing only two cases, 00 and 11, for coding. If 01 or 10 is obtained, the recipient knows that the code is wrong. However, the recipient cannot be sure whether the correct message should be 00 or 11, since the minimum Hamming distance between the obtained message (10/01) and the correct code (00/11) is the same as 1.
Digital Watermarking and Steganography: Fundamentals and Techniques by Frank Y. Shih