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Data hiding has been an interesting research topic since the early 1990's. Among the hiding schemes, reversible data hiding has attracted more and more attention in both researches and applications. With reversible data hiding, at the data extraction stage, both the original content and the hidden message should be perfectly extracted, hence, how to design such schemes seem an interesting task. It can be classified into two branches, one is histogram-based scheme, and the other is performed by adjusting the difference between adjacent pixels. The major insufficiency for the two schemes above is the limited amount of capacity. We consider the advantages of both schemes and propose a method to hide much more data for reversible data hiding in comparison with conventional schemes. Simulation results demonstrate the advantages of the proposed method.
Date of Conference: 7-9 Dec. 2009