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Random grids-based visual secret sharing with improved visual quality via error diffusion

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Abstract

In this paper, a visual secret sharing scheme for case (k, n) based on random noise balanced error diffusion (RNBED) is proposed. The proposed scheme satisfies (k, n) threshold, requiring no codebook design, and avoiding the pixel expansion problem. In addition, it improves existing schemes in terms of contrast and evenness, which are two important metrics for evaluating the visual quality of recovered secret. Experimental results and security analyses show the effectiveness of the proposed scheme. Comparisons with previous approaches show the advantages of the proposed scheme.

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Acknowledgments

The authors would like to thank the anonymous reviewers for their helpful and constructive comments that improved the clarity and quality of this paper. This work is supported by the National Natural Science Foundation of China (Grant Number: 61100187, 61301099, 61361166006), the Fundamental Research Funds for the Central Universities (Grant Number: HIT. NSRIF. 2013061) and Ministry of Higher Education and Scientific Research (Egypt-Tunisia Cooperation Program, Code Number:4-13-A1).

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Authors and Affiliations

  1. School of Computer Science and Technology, Harbin Institute of Technology, 150080, Harbin, China

    Xuehu Yan, Shen Wang, Ahmed A. Abd El-Latif & Xiamu Niu

  2. Mathematics Department, Faculty of Science, Menoufia University, Shebin El-Koom, 32511, Menoufia, Egypt

    Ahmed A. Abd El-Latif

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  1. Xuehu Yan
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  2. Shen Wang
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  3. Ahmed A. Abd El-Latif
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  4. Xiamu Niu
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Correspondence to Shen Wang.

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Yan, X., Wang, S., El-Latif, A.A.A. et al. Random grids-based visual secret sharing with improved visual quality via error diffusion. Multimed Tools Appl 74, 9279–9296 (2015). https://doi.org/10.1007/s11042-014-2080-5

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  • DOI: https://doi.org/10.1007/s11042-014-2080-5

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