改进的PVO-k可逆信息隐藏算法

doi:10.3969/j.issn.0255-8297.2016.05.013

Abstract

Abstract:

In recent years, a number of reversible hiding information (RDH) algorithms based on pixel-value-ordering (PVO) and some revised versions have appeared. This paper proposed an improved RDH method to overcome drawbacks in the PVO-k algorithm. The proposed improvement is more suitable for the information embedded into flat blocks due to the improved embedding rules. High fidelity of the stego-image is guaranteed by using the improved pixel-block-selection. Experimental results show that the proposed method has better performance in terms of embedding capacity and image fidelity as compared with PVO-k, especially for relatively smooth images.

Key words: pixel-block-selection, reversible data hiding, pixel-value-ordering (PVO)

CLC Number:

TP309.2

YAN Bing, BAI Sen, YANG Yi, JI Xiao-yong. Improved PVO-k Algorithm for Reversible Data Hiding[J]. Journal of Applied Sciences, 2016, 34(5): 605-615.

References

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Improved PVO-k Algorithm for Reversible Data Hiding

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