| 基于分段混沌系统的MP3数字版权保护技术 |
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| 引用本文： | 程叶霞,张雪锋.基于分段混沌系统的MP3数字版权保护技术[J].西安邮电学院学报,2010,15(1):18-22,72. |
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| 作者姓名： | 程叶霞 张雪锋 |
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| 作者单位： | 西安邮电学院,通信与信息工程学院,陕西,西安,710121 |
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| 摘 要： | 结合MP3压缩攻击特点与听觉隐蔽特性,提出了一种用于MP3数字版权保护的DWT和DCT混合域盲水印算法。为了提高数字水印的安全性,将混沌理论引入到音频水印的研究中,将包含版权信息和密钥的二值图像作为水印数据,利用混沌序列将其加密后嵌入到原始音频的频域信号中。提取水印时不需要原始的音频信号,实现了水印的盲提取。提出的数字水印方案包含的版权信息量大,而且对水印信息具有双重安全性。实验表明,水印有很强的鲁棒性和安全性。
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| 关 键 词： | MP3 版权保护 混沌 水印 DWT DCT |
MP3 digital copyright protection technology based on piecewise chaotic system |
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| CHENG Ye-xia,ZHANG Xue-feng.MP3 digital copyright protection technology based on piecewise chaotic system[J].Journal of Xi'an Institute of Posts and Telecommunications,2010,15(1):18-22,72. |
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| Authors: | CHENG Ye-xia ZHANG Xue-feng |
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| Affiliation: | CHENG Ye-xia,ZHANG Xue-feng(School of Communication , Information Engineering,Xi\'an University of Posts , Telecommunications,Xi\'an 710121,China) |
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| Abstract: | A blind-watermark algorithm is proposed for protecting MP3 copyright in DWT and DCT mixed domain,it is based on characteristics of MP3 compression attack and imagination concealment.In order to improve the security of watermarking system,chaos is introduced in audio frequency watermark algorithm,the binary image comprised by copyright and key is encrypted by chaotic sequence and embedded in the original signal's frequency domain.The watermark signal can be extracted without the original audio signal and the... |
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| Keywords: | MP3 DWT DCT |
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