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    ASIA unversity > 資訊學院 > 資訊工程學系 > 期刊論文 >  Item 310904400/100394


    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/100394


    Title: A Reversible Data Hiding Scheme Based on IWT and the Sudoku Method
    Authors: Li, Fan;Mao, Qian;張真誠;CHang, Chin-Chen;*
    Contributors: 資訊工程學系
    Date: 2016-05
    Issue Date: 2016-08-08 14:55:48 (UTC+8)
    Abstract: A reversible data hiding scheme based on integer-to-integer wavelet transform is proposed in this paper. The scheme uses a Sudoku-based method to embed data by modifying the wavelet coefficients. First, the algorithm performs the one-level integer wavelet transform of the host image and obtains four sub-bands, i.e., LL1, HL1, LH1, and HH1. Then, the HL1 sub-band is used as the base matrix, and the LH1 sub-band is used as the variable matrix to embed the secret digits according to a Sudoku table. A location map is created to record the embeddable coefficients, and the map is embedded into the sub-band of HH1. The experimental results showed that our proposed scheme produced a higher-quality stego image than those existing hiding schemes.
    Relation: International Journal of Network Security
    Appears in Collections:[資訊工程學系] 期刊論文

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