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    ASIA unversity > 資訊學院 > 資訊工程學系 > 期刊論文 >  Item 310904400/18735


    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/18735


    Title: A Visual Secret Sharing Scheme for Progressively Restoring Secrets
    Authors: 張真誠;Chang, Chin-Chen;Yi-Pei Hsieh;Chi-Cheng Liao
    Contributors: 資訊工程學系
    Date: 2011-12
    Issue Date: 2012-11-26 13:57:48 (UTC+8)
    Abstract: Visual secret sharing has received more and more attention over the past years due to the fact that neither complex computation nor cryptographic knowledge is required to decrypt the secret image directly according to the characteristics of the human vision system. Considering the issue of sharing the secret image at multiple image resolutions with the meaningful shadows, in this paper, we present a friendly progressive visual secret sharing scheme without expanding the image size in the shadows and the reconstructed secret image based on applying a 2×2-sized block-wise operation to generate the shadows block by block. The proposed method can achieve these benefits: 1) the generated shadows are meaningful, and their sizes are not expanded, and 2) the secret image can be recovered at different resolutions by stacking different quantities of shadows together. The experimental results also show that the proposed method is superior to other compared schemes.
    Index Terms⎯Friendly management, multiple image resolutions, progressive restoring secrets, visual secret sharing.
    Relation: Journal of Electronic Science and Technology,9(4),325-331.
    Appears in Collections:[資訊工程學系] 期刊論文

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