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    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/8879


    Title: Secret image sharing with reversible steganography
    Authors: Chang, Chin-Chen;Lin, Pei-Yu;Chan, Chi-Shiang
    Contributors: Department of Information Science and Applications
    Keywords: Artificial intelligence;Computer science;Cryptography;Distortion-free;Modulo operator;Reversible;Secret sharing;Steganography
    Date: 2009
    Issue Date: 2010-04-08 20:36:04 (UTC+8)
    Publisher: Asia University
    Abstract: The significant essential of secret image sharing approaches is that the revealed content of the secret image must be lossless. Moreover, the distorted stego images can be reverted to the original cover image. In order to achieve these purposes, we first transform the secret pixels into the m-ary notational system. Then, the information data used to reconstruct original pixels from camouflaged pixels are calculated. The information data and transformed secret data are shared using the (t, n)-threshold sharing scheme. In this way, we can retrieve the lossless secret image and reverse the stego image to the original image. According to the experiments, the shadows can be successfully camouflaged in the cover image, and the stego images have satisfactory quality. Moreover, our scheme allows for a large capacity of embedded secret data.
    Relation: Proceedings of the 2009 International Conference on Computational Intelligence and Natural Computing, CINC 2009 :253-256
    Appears in Collections:[行動商務與多媒體應用學系] 會議論文

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