An Improved Reversible Data Hiding Scheme Based On Neighboring Pixel Differences

Authors:
Dae-soo Kim;Geum-Dal Park;Kee-Young Yoo
Affiliations:
School of Computer Science and Engineering, Kyungpook National University, Daegu, South Korea;School of Computer Science and Engineering, Kyungpook National University, Daegu, South Korea;School of Computer Science and Engineering, Kyungpook National University, Daegu, South Korea
Venue:
Proceedings of International Conference on Advances in Mobile Computing & Multimedia
Year:
2013

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Abstract

In 2013, Tsai et al. proposed a reversible data hiding scheme based on neighboring pixel differences. Although their scheme has better quality than histogram shifting based typical schemes, the hiding capacity is smaller than other schemes. In this paper, an improved Tsai et al.'s scheme is proposed by using three neighboring pixel differences and an absolute value of a difference. In our experimental results, the hiding capacity and image quality of the proposed scheme is superior to their scheme.