[1]杨榆,雷敏,郭玉翠,等.基于小波和余弦变换组合的音频零水印算法[J].南京理工大学学报(自然科学版),2012,36(03):386-389.
 YANG Yu,LEI Min,GUO Yu-cui,et al.Audio Zero-watermarking Scheme in DCT-DWT[J].Journal of Nanjing University of Science and Technology,2012,36(03):386-389.
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基于小波和余弦变换组合的音频零水印算法
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
36卷
期数:
2012年03期
页码:
386-389
栏目:
出版日期:
2012-06-30

文章信息/Info

Title:
Audio Zero-watermarking Scheme in DCT-DWT
作者:
杨榆; 雷敏; 郭玉翠; 罗群;
北京邮电大学信息安全中心; 灾备技术国家工程实验室; 北京邮电大学理学院;
Author(s):
YANG Yu12LEI Min12GUO Yu-cui3LUO Qun12
1.Information Security Center,Beijing University of Posts and Telecommunications,Beijing 100876,China; 2.National Engineering Laboratory for Disaster Backup and Recovery,Beijing 100876,China; 3.School of Science,Beijing University of Posts and Telecommunications,Beijing 100876,China
关键词:
音频 零水印 离散小波变换 离散余弦变换 鲁棒性
Keywords:
audio zero-watermarking discrete wavelet transform discrete cosine transform robustness
分类号:
TP309.7
摘要:
为了提高传统水印方案的透明性,该文对基于离散小波变换(DWT)和离散余弦变换(DCT)的音频零水印进行了研究。该文将音频分成等长帧。对每帧进行DWT提取出近似分量。对近似分量进行DCT后求均值。根据相邻均值间的关系嵌入水印。仿真实验表明该算法对于MP3压缩、重量化、重采样、低通滤波、降噪等常见音频信号处理攻击具有很强的鲁棒性且效率较高。
Abstract:
In order to improve the imperceptibility of traditional watermarking scheme,a novel audio zero-watermarking scheme based on discrete cosine transform and discrete wavelet transform(DCT-DWT)is proposed.The audio is split into equal frames.Approximate components are extracted using the DWT for each frame.Mean values of the approximate components are obtained using the DCT.Watermark is embedded according to the relationship between two adjacent mean values.Simulation and experimental results show that the algorithm has strong robustness against common audio signal processing attacks such as MP3 compression,re-quantization,re-sampling,low-pass filter and noise reduction and high efficiency.

参考文献/References:

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备注/Memo

备注/Memo:
国家自然科学基金(60973146;61170269;61003285;61170272)
更新日期/Last Update: 2012-10-12