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一种抗几何攻击盲数字水印方法

张杰勇 刘守义 尹忠海   

  1. 空军工程大学电讯工程学院研究生管理大队15队 空军工程大学电讯工程学院四系 空军工程大学理学院数学系
  • 收稿日期:2008-03-12 修回日期:1900-01-01 发布日期:2008-09-01 出版日期:2008-09-01
  • 通讯作者: 张杰勇

Blind digital watermarking method against geometric attack

<a href="http://www.joca.cn/EN/article/advancedSearchResult.do?searchSQL=(((ZHANG Jie-Yong[Author]) AND 1[Journal]) AND year[Order])" target="_blank">ZHANG Jie-Yong</a> LIU Shou-yi YIN Zhong-hai   

  • Received:2008-03-12 Revised:1900-01-01 Online:2008-09-01 Published:2008-09-01
  • Contact: ZHANG Jie-Yong 张杰勇

摘要: 提出了一种抵抗几何攻击的数字图像水印方案,主要针对的是缩放攻击和剪切攻击。通过采用在每个分片上重复嵌入水印,并在载体图像上确定抗缩放攻击网格来抵抗剪切攻击和缩放攻击。实验证明,该方法能较好地恢复图像、提取水印信息,能够有效地抵抗剪切攻击和缩放攻击。

关键词: 数字水印, 几何攻击, 同步字段, 差分

Abstract: A digital watermarking method to resist geometric attack, mainly the scaling attack and the cropping attack, was presented. We used the method of embedding the watermarking to every block and the method of fixing a resisting scaling grid to be against the scaling attack and the cropping attack. The experiment proves that this method can recover the image, and can detect the watermark, and can effectively resist the scaling and the cropping attack.

Key words: digital watermark, geometric attack, synchronization word, difference