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Genetic algorithm and difference expansion based reversible watermarking for relational databases

✍ Scribed by Jawad, Khurram; Khan, Asifullah

Book ID
120604642
Publisher
Elsevier Science
Year
2013
Tongue
English
Weight
995 KB
Volume
86
Category
Article
ISSN
0164-1212

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Difference expansion is widely used in reversible watermarking for raster images, but it cannot be applied to data with low correlation, due to its large distortion. In this paper, an improvement is made to difference expansion technology to make it suitable for two-dimensional (2D) computer-aided d