[1]朱佳婷 吕建平.抗旋转的整数小波变换数字水印算法[J].计算机技术与发展,2007,(07):145-147.
　ZHU Jia-ting,LU Jian-ping.Digital Watermarking Algorithm Resistant to Rotation Based on Integer Wavelet Transform[J].,2007,(07):145-147.
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抗旋转的整数小波变换数字水印算法()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2007年07期
页码:
145-147
栏目:
安全与防范
出版日期:
1900-01-01

文章信息/Info

Title:
Digital Watermarking Algorithm Resistant to Rotation Based on Integer Wavelet Transform
文章编号:
1673-629X（2007）07-0145-03
作者:
朱佳婷 吕建平
西安邮电学院计算机系
Author(s):
ZHU Jia-ting;  LU Jian-ping
Computer Department, Xi＇ an Institute of Post and Telecommunication
关键词:
数字水印; 整数小波变换; 傅里叶变换; 模板
Keywords:
digital watermarking;  integer wavelet transform; Fourier transform;  template
分类号:
TP393.08 TP301.6
文献标志码:
A
摘要:
现有的大多数基于小波变换的水印算法没有抵抗几何攻击的能力，例如将图像旋转微小的角度即可导致水印检测的失败。为了提高基于小波变换的水印算法抵抗图像旋转攻击的能力，提出了一种抗旋转的整数小波变换盲水印算法。该算法通过在嵌人水印后的图像中嵌人一个模板，在图像遭到旋转攻击后，利用模板能有效地恢复图像，达到水印提取同步，从而准确地提取出水印。实验结果表明，0到360度的旋转攻击均能被准确监测到，从而证明了该方法是一种鲁棒的能有效抵抗旋转攻击的图像水印算法
Abstract:
Most of the proposed watermarking algorithms based on wavelet transform are not resistant to geometric attack. For instance, the detection of watermark fails if the watermarked image is rotated by a very small angle. In order to add the ability of rotation resistance to wavelet based on watermarking algorithms, a blind digital watermarking algorithm which is resistant to rotation and based on integer wavelet transform is proposed. In this algorithm, a template is embedded into the watermarked image. Using the template, the image can be correct after the rotation attack to make the watermarking detection and embedding course be synchronization again . In this way the watermark could be extracted exactly. The experiment results show that the rotation attack form 0 to 360 degrees can be detected. It is also proved that this algorithm is robust and effective to rotation attack

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备注/Memo

备注/Memo:
朱佳婷（1982-），女，湖南邵阳人，硕士研究生，研究方向为信息安全与数字水印；吕建平，教授，主要研究方向为图像处理与模式识别
更新日期/Last Update: 1900-01-01