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Random Girds-Based Threshold Visual Secret Sharing with Improved Contrast by Boolean Operations

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Digital-Forensics and Watermarking (IWDW 2014)

Part of the book series: Lecture Notes in Computer Science ((LNSC,volume 9023))

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Abstract

In recent years, visual secret sharing (VSS) by random grids (RG) has gained much attention since it can avoid pixel expansion problem as well as has no codebook needed, which has acceptable visual quality based on the internal structure of the designed scheme. Till now, the previous schemes still suffer from low visual quality, from our point of view, and visual quality decreases fast when n increases. In this paper, a new RG-based VSS with improved visual quality based on Boolean operations is proposed, based on two different quality-improved approaches and gaining both advantages. The proposed scheme has several features such as (k, n) threshold, no codebook design, and no pixel expansion. Moreover, it has higher contrast compared with related schemes.

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Acknowledgement

The authors would like to thank the anonymous reviewers for their valuable discussions and comments.

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Authors and Affiliations

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

    Xuehu Yan

  2. Hebei University of Science and Technology, Shi Jiazhuang, 050018, China

    Guohui Chen

  3. Department of CSIE, National Dong Hwa University, Hualien, 974, Taiwan

    Ching-Nung Yang & Song-Ruei Cai

Authors
  1. Xuehu Yan
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  2. Guohui Chen
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  3. Ching-Nung Yang
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  4. Song-Ruei Cai
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Corresponding author

Correspondence to Xuehu Yan .

Editor information

Editors and Affiliations

  1. NJIT, Newark, New Jersey, USA

    Yun-Qing Shi

  2. Korea University, Seoul, Korea, Republic of (South Korea)

    Hyoung Joong Kim

  3. Universidad de La Laguna, La Laguna, Spain

    Fernando Pérez-González

  4. Department of Computer Science and Information Engineering, National Dong Hwa University, Hualien, Taiwan

    Ching-Nung Yang

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Yan, X., Chen, G., Yang, CN., Cai, SR. (2015). Random Girds-Based Threshold Visual Secret Sharing with Improved Contrast by Boolean Operations. In: Shi, YQ., Kim, H., Pérez-González, F., Yang, CN. (eds) Digital-Forensics and Watermarking. IWDW 2014. Lecture Notes in Computer Science(), vol 9023. Springer, Cham. https://doi.org/10.1007/978-3-319-19321-2_24

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  • DOI: https://doi.org/10.1007/978-3-319-19321-2_24

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-19320-5

  • Online ISBN: 978-3-319-19321-2

  • eBook Packages: Computer ScienceComputer Science (R0)

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