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基于DWT的盲音频水印算法研究
引用本文:曹建春,沈淑娟.基于DWT的盲音频水印算法研究[J].计算机应用,2006,26(10):2326-2327.
作者姓名:曹建春  沈淑娟
作者单位:1. 黄河水利职业技术学院,信息工程系,河南,开封,475003
2. 郑州大学,信息工程学院,河南,郑州,450052
摘    要:提出了一种基于离散小波变换的盲音频数字水印算法,该算法采取分段重复嵌入方式在能量最强的小波系数内隐藏水印信号。仿真实验结果表明,该算法具有较强的鲁棒性和不可感知性,能有效抵御各种常见攻击,并且在水印检测时不需要原始的音频信号。

关 键 词:数字水印  小波变换  数字音频信号  鲁棒性
文章编号:1001-9081(2006)10-2326-02
收稿时间:2006-05-30
修稿时间:2006-05-30

Study of blind audio digital watermarking algorithm based on DWT
CAO Jian-chun,SHEN Shu-juan.Study of blind audio digital watermarking algorithm based on DWT[J].journal of Computer Applications,2006,26(10):2326-2327.
Authors:CAO Jian-chun  SHEN Shu-juan
Affiliation:1. Department of Information Engineering, Yellow River Conservancy Technical Institute, Kaifeng Henan 475003, China; 2. College of lnformation Engineering, Zhengzhou University, Zhengzhou Henan 450052, China
Abstract:A new watermarking algorithm based on DWT transform was proposed to offer copyright protection for digital audio signals. A digital watermark is embedded into the significant wavelet coefficients repeatedly. The experimental results show that the imbedded watermark has good imperceptibility and robustness against common signal processing manipulations and the watermark can be extracted without original data.
Keywords:digital watermarking  wavelet transform  digital audio signal  robustness
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