|
|||||
|
|
| 采用混沌加密和重复码的复倒谱音频水印算法 | |
| 引用本文： | 刘素楠,方志宏,李淑芝.采用混沌加密和重复码的复倒谱音频水印算法[J].计算机工程与应用,2010,46(4):79-82. |
| 作者姓名： | 刘素楠 方志宏 李淑芝 |
| 作者单位： | 1. 江西应用技术职业学院信息工程系,江西,赣州,341000;华中科技大学计算机科学与技术学院,武汉,430074 2. 江西应用技术职业学院信息工程系,江西,赣州,341000 3. 江西理工大学信息工程学院,江西,赣州,341000 |
| 基金项目： | 江西省教育厅资助科研课题No.2007208~~ |
| 摘 要： | 针对数字音频产品版权保护问题，设计了一种基于混沌加密和重复码调制的复倒谱变换数字音频水印算法。算法把音频信号划分为包含相同采样点的若干帧，对每一帧实施复倒谱变换，将一幅包含版权信息的二值图像作为水印，利用混沌序列对其加密，再利用重复码进行纠错后嵌入到原始音频的复倒谱系数中，水印提取时不需要原始音频信号。实现了水印的盲检测。仿真实验证明，算法具有较强的鲁棒性和不可感知性。能经受添加噪声、低通滤波、重采样、重新量化、音频格式转换等常见信号的处理及攻击。 |
| 关 键 词： | 音频水印 复倒谱变换 混沌 重复码 盲检测 鲁棒性 |
| 收稿时间： | 2008-9-2 |
| 修稿时间： | 2008-11-12 |
Audio watermarking algorithm in complex cepstrum domain based on chaotic encrypting and repeatencode |
|
| LIU Su-nan,FANG Zhi-hong,LI Shu-zhi.Audio watermarking algorithm in complex cepstrum domain based on chaotic encrypting and repeatencode[J].Computer Engineering and Applications,2010,46(4):79-82. | |
| Authors: | LIU Su-nan FANG Zhi-hong LI Shu-zhi |
| Affiliation: | LIU Su-nan,FANG Zhi-hong,LI Shu-zhi.1.Department of Information Engineering,Jiangxi College of Applied Technology,Ganzhou,Jiangxi 341000,China 2.College of Computer Science , Technology,Huazhong University of Science , Technology,Wuhan 430074,China 3.College of Information Engineering,Jiangxi University of Science , Technology,China |
| Abstract: | For having the copyright security of the digital audio frequency product,this article proposes a blind digital audio watermarking algorithm in complex cepstrum domain based on the chaotic encrypting and repeatencode modulating.The audio signal is divided into several frames which include the same samples and the frame is transformed with complex cepstrum.Then taking a binary image which having the message of copyright as watermark,the chaotic sequence encrypts it and the repeatencode can be embedded into th... |
| Keywords: | audio watermarking complex cepstrum transform chaotic repeatencode blind detection robustness |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |
| 点击此处可从《计算机工程与应用》浏览原始摘要信息 | |
| 点击此处可从《计算机工程与应用》下载全文 | |
