Improved Histogram Shifting Technique for Low Payload Embedding by Using a Rate-Distortion Model and Optimal Side Information Selection

Junxiang WANG  Jiangqun NI  Dong ZHANG  Hao LUO  

Publication
IEICE TRANSACTIONS on Information and Systems   Vol.E95-D   No.10   pp.2552-2555
Publication Date: 2012/10/01
Online ISSN: 1745-1361
DOI: 10.1587/transinf.E95.D.2552
Print ISSN: 0916-8532
Type of Manuscript: LETTER
Category: Data Engineering, Web Information Systems
Keyword: 
histogram shifting,  reversible data hiding,  rate-distortion model,  optimal side information selection,  

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Summary: 
In the letter, we propose an improved histogram shifting (HS) based reversible data hiding scheme for small payload embedding. Conventional HS based schemes are not suitable for low capacity embedding with relatively large distortion due to the inflexible side information selection. From an analysis of the whole HS process, we develop a rate-distortion model and provide an optimal adaptive searching approach for side information selection according to the given payload. Experiments demonstrate the superior performance of the proposed scheme in terms of performance curve for low payload embedding.