Reversible data hiding algorithm based on prediction error

Authors:
Li Yang
Affiliations:
Beijing Jiaotong University, Beijing, China and College of Inforrnation Engineering, Beijing Institute of Petrochemical Technology, Beijing, China
Venue:
CAR'10 Proceedings of the 2nd international Asia conference on Informatics in control, automation and robotics - Volume 3
Year:
2010

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Abstract

In this paper, a novel reversible data hiding algorithm based on the prediction error is proposed. The different of host images is calculated from different direction according to the embedded capacity. Multilayer technique is used to increase the embedded capacity. The first layer is horizontal scanning; the second layer is vertical scanning, and so on. Then the predicted method is used to predict the target different. The data is embedded by changing the predicted error. Experimental results show that our scheme not only can embed data easily, but also can get good image's quality.