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Peng Fei, Chen Li and Long Min A reversible watermark scheme for 2D vector map based on reversible contrast mapping Security and Communication Networks 6

Article first published online: 10 DEC 2012 | DOI: 10.1002/sec.680

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A reversible watermark scheme for two-dimensional vector map based on reversible contrast mapping is proposed in this paper. The data of the two-dimensional vector maps are first preprocessed to reduce distortion. Then, the encrypted watermark is embedded into the relative coordinates by using the reversible contrast mapping. Experimental results and analysis show that it can achieve high payload, good reversibility, and invisibility. It has great potential in the application of map data authentication and secure communication.

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