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    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/18868

    Title: Secret image sharing with reversible steganography
    Authors: 詹啟祥;Chan, Chi-Shiang
    Contributors: 資訊多媒體應用學系
    Keywords: secret sharing, steganography, reversible, distortion-free, modulo operator
    Date: 2009
    Issue Date: 2012-11-26 15:09:54 (UTC+8)
    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: The 2009 International Conference on Computational Intelligence and Natural Computing
    Appears in Collections:[行動商務與多媒體應用學系] 期刊論文

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