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Two-in-One Secret Image Sharing Scheme with Higher Visual Quality of the Previewed Image

Author

Listed:
  • Xin Wang

    (Department of Mathematics and Physics, North China Electric Power University, Baoding 071003, China)

  • Peng Li

    (Department of Mathematics and Physics, North China Electric Power University, Baoding 071003, China)

  • Zihan Ren

    (Department of Mathematics and Physics, North China Electric Power University, Baoding 071003, China)

Abstract

Secret image sharing (SIS) scheme is a secret image encoding and decoding scheme that reconstructs the secret image only if the number of participants is sufficient. In contrast, inadequate participants gain no information about the secret image. Two-in-one secret image sharing (TiOSIS) scheme is a kind of SIS scheme with two decoding options, quick preview without computation and accurate recovery with computer. For higher decoding speed, Li et al. proposed an improved two-in-one secret image sharing scheme, utilizing Boolean operation for less computational complexity, where the visual quality of the previewed image is deteriorated. In this paper, we use q -bit gray visual cryptography to build a mathematical model for better visual quality of the previewed image based on Li et al.’s TiOSIS scheme. The black sub-pixels of shadows corresponding to a black secret pixel are replaced by a q -bit grayscale value rather than an 8-bit grayscale value where q is a positive integer smaller than 8. The theoretical analysis and experiments are exhibited to guarantee feasibility and effectiveness of the proposed scheme.

Suggested Citation

  • Xin Wang & Peng Li & Zihan Ren, 2022. "Two-in-One Secret Image Sharing Scheme with Higher Visual Quality of the Previewed Image," Mathematics, MDPI, vol. 10(5), pages 1-15, February.
    • Handle: RePEc:gam:jmathe:v:10:y:2022:i:5:p:678-:d:755785
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    References listed on IDEAS

    as
    1. Yuyuan Sun & Yuliang Lu & Jinrui Chen & Weiming Zhang & Xuehu Yan, 2020. "Meaningful Secret Image Sharing Scheme with High Visual Quality Based on Natural Steganography," Mathematics, MDPI, vol. 8(9), pages 1-17, August.
    2. Yue Jiang & Xuehu Yan & Jianqing Qi & Yuliang Lu & Xuan Zhou, 2020. "Secret Image Sharing with Dealer-Participatory and Non-Dealer-Participatory Mutual Shadow Authentication Capabilities," Mathematics, MDPI, vol. 8(2), pages 1-20, February.
    3. Long Yu & Lintao Liu & Zhe Xia & Xuehu Yan & Yuliang Lu, 2020. "Lossless and Efficient Secret Image Sharing Based on Matrix Theory Modulo 256," Mathematics, MDPI, vol. 8(6), pages 1-17, June.
    4. Suhas Bhagate & Prakash J. Kulkarni, 2021. "Improved Extended Progressive Visual Cryptography Scheme Using Pixel Harmonization," International Journal of Information Security and Privacy (IJISP), IGI Global, vol. 15(2), pages 196-216, April.
    5. Peng Li & Liping Yin & Jianfeng Ma, 2020. "Visual Cryptography Scheme with Essential Participants," Mathematics, MDPI, vol. 8(5), pages 1-19, May.
    6. Hongliang Cai & Dan Tang, 2020. "Multi Secret Image Sharing Scheme of General Access Structure with Meaningful Shares," Mathematics, MDPI, vol. 8(9), pages 1-28, September.
    7. K. Shankar & David Taniar & Eunmok Yang & Okyeon Yi, 2021. "Secure and Optimal Secret Sharing Scheme for Color Images," Mathematics, MDPI, vol. 9(19), pages 1-22, September.
    Full references (including those not matched with items on IDEAS)

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