| 一种易损性音频数字水印技术 |
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| 引用本文： | 王让定,柴佩琪.一种易损性音频数字水印技术[J].计算机工程与应用,2003,39(30):38-40. |
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| 作者姓名： | 王让定 柴佩琪 |
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| 作者单位： | 1. 同济大学人工智能研究室,上海,200092;宁波大学纵横智能软件研究所,浙江,宁波,315211
2. 同济大学人工智能研究室,上海,200092 |
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| 基金项目： | 国家教育部重点研究项目的支持 |
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| 摘 要： | 利用变换域嵌入水印是音频水印的主流技术,一般的嵌入方法是通过调整所选变换系数实现。谱弯折方法实现整段频谱的非线性位移,可将水印嵌入整个频谱。该文在Choi犤1犦的谱弯折音频数字水印算法基础上,研究了算法的鲁棒性,通过大量实验验证,认为谱弯折算法对信号处理类攻击相当脆弱,不具备鲁棒性,是一种易损性音频水印。
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| 关 键 词： | 数字水印 音频水印 谱弯折 |
| 文章编号： | 1002-8331-(2003)30-0038-03 |
| 修稿时间： | 2003年8月1日 |
A Fragile Audio Digital Watermarking |
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| Wang Rangding , Chai Peiqi.A Fragile Audio Digital Watermarking[J].Computer Engineering and Applications,2003,39(30):38-40. |
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| Authors: | Wang Rangding Chai Peiqi |
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| Affiliation: | Wang Rangding 1,2 Chai Peiqi 11 |
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| Abstract: | The embedding watermark by transformation domain is the predominant method.Generally,the watermark is embedded by modulating a few transformation coefficients.Spectrum-Warping audio watermarking based on shifting spec-trum coefficients nonlinearly can embed watermark in full spectrum.Spectrum-warping audio watermarking based on Choi's 1is investigated in this paper.Also,the improved method is proposed.The results of a large set of experiments demonstrate that the spectrum-warping audio watermarking algorithm is very fragile against some attacks of digital sig-nal processing,and that show Choi's algorithm is not robust,so it is a fragile audio watermarking. |
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| Keywords: | digital watermarking audio watermarking spectrum-warping |
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