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yi zhong ji yu xiao bo yu de tong bu jun zhi liang hua yin pin yin xie suan fa
Author(s): 
Pages: 18-21
Year: Issue:  4
Journal: Electronic Engineer

Keyword:  信息隐藏均值量化Arnold置乱同步;
Abstract: 提出一种基于小波域和均值量化的同步音频隐写术。首先对秘密信息进行Arnold变换,以此来消除其相关性,从而实现原始信息的不可知性隐藏;然后对原始载体信号进行离散小波变换,采用M序列作为同步信号,将需隐藏的信号与同步信号嵌入到低频系数的均值中,达到在不引起任何怀疑的情况下秘密传送信息的目的。实验证明,此算法安全性较高,有较强的抗噪声和低通滤波攻击的能力,并且提取时只需密钥和同步信号,比起盲隐藏法更简便、更具有可行性。
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