期刊文献+

基于音频统计特性的数字水印嵌入算法 被引量:6

A Content-based Digital Audio Watermarking Scheme
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摘要 结合数字音频时频域统计特性及同步码技术,提出了一种可有效抵抗去同步攻击的混合域数字音频水印嵌入算法.该算法首先结合数字水印与同步码(大小),对原始音频载体进行分段处理,并将每个音频数据段分割成两部分用于嵌入同步码与水印信息;然后利用时间域音频样本统计特性,将同步码信息嵌入到音频样本的统计均值上;最后根据频率域小波系数统计特性,将数字水印嵌入到低频小波系数的平均值内. In this paper, a new robust digital audio watermarking algorithm against desynchronization attacks is proposed, in which the audio statistic characteristics and synchronization code are utilized. Firstly, the origin digital audio data are segmented and then each segment is cut into two sections. Secondly, with the spatial watermarking technique, synchronization code is embedded into the statistic average value of audio samples in the first section. Finally, the DWT is performed on the second section, and the digital watermark is embedded into the statistic average value of low frequency components.
出处 《自动化学报》 EI CSCD 北大核心 2008年第8期1001-1003,共3页 Acta Automatica Sinica
基金 国家自然科学基金(60773031) 信息安全国家重点实验室(中国科学院软件研究所)开放基金(03-06) 大连市科技基金(2006J23JH020) “图像处理与图像通信”江苏省重点实验室(南京邮电大学)开放基金(ZK205014) 江苏省计算机信息处理技术重点实验室(苏州大学)开放基金(KJS0602)资助~~
关键词 音频水印 去同步攻击 统计特性 同步码 Audio watermarking, desynchronization attack, statistic characteristics, synchronization code
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参考文献5

  • 1Barni M, Cox I J, Kalker T. Digital watermarking. In: Proceedings of the 4th International Workshop on Digital Wa- termarking. Siena, Italy: IWDW, 2005. 15-19
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二级参考文献69

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