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Reversible data hiding can be classified into two major research branches, one is by use of the histogram of original image, named the H scheme, and the other is by manipulating pixel relations between adjacent pixels, called the difference expansion (DE) scheme. Both schemes have their own advantages and drawbacks, but the inherent characteristics of original image are seldom considered in existing...
Digital watermarking has been an effective means for copyright protection and digital rights management (DRM). One of the current trends for researches in this field would focus on reversible data hiding. Considering the ease of implementation and employing the inherent characteristics of original images, we propose our reversible data hiding algorithm with the rhombus relationships of original pixels...
Digital watermarking has been a practical and interesting research topic in the last decade. Recently, a newly developed branch called reversible data hiding has emerged. It has attracted more and more attention in both researches and applications. With the definition of reversible data hiding, secret message can be hidden by schemes offered by algorithm designers. On the other hand, at the data extraction...
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