A High Robust Audio Watermarking Scheme Based on Orthogonal Decomposition

被引：1

作者：

ZHANG Kang ^{[1
,2
]}

GAO Ge ^{[1
,2
]}

CHEN Yi ^{[3
]}

SONG Dingyan ^{[1
,2
]}

LIU Ying ^{[3
]}

Lü Bing ^{[3
]}

机构：

[1] National Engineering Research Center for Multimedia Software,Wuhan University

[2] Research Institute of Wuhan University in Shenzhen

[3] Computer College,Central China Normal University

来源：

Wuhan University Journal of Natural Sciences | 2016年 / 21卷 / 02期

基金：

中国国家自然科学基金;

关键词：

data hiding; watermarking; spread spectrum; orthogonal decomposition;

D O I：

暂无

中图分类号：

TN912.3 [语音信号处理]; TP309.7 [加密与解密];

学科分类号：

0711 ;

摘要：

A high robust approach for the additive spread spectrum audio watermarking scheme based on orthogonal decomposition of the host signal has been proposed. By analyzing traditional spread spectrum(SS), the section of the audio signal which is parallel to the direction of watermark signal acts as an interference source in decoder. The watermark is only embedded in the section which is perpendicular to watermark signal in the proposed scheme. In this way, the interference of host signal can be removed completely in decoder. Whether the watermarks have been embedded in the audio or not is researched and an optimal threshold in detector is given to achieve the minimum false alarm probability. The simulation results show that the proposed method can achieve high robustness against various attacks.

引用

页码：139 / 144

页数：6

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