[1]李传目,宋海明,洪联系,等.抗几何攻击的图像水印算法[J].郑州大学学报(工学版),2009,30(02):75-79.
　LI Chuanmu,SONG Haiming,HONG Contact,et al.Image Watermarking Algorithm Resistant to Geometric Attacks[J].Journal of Zhengzhou University (Engineering Science),2009,30(02):75-79.
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抗几何攻击的图像水印算法()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
30
期数:
2009年02期
页码:
75-79
栏目:
出版日期:
1900-01-01

文章信息/Info

Title:
Image Watermarking Algorithm Resistant to Geometric Attacks
作者:
李传目; 宋海明; 洪联系; 等.
集美大学计算机工程学院,福建,厦门,361021, 集美大学计算机工程学院,福建,厦门,361021, 集美大学计算机工程学院,福建,厦门,361021, 集美大学计算机工程学院,福建,厦门,361021
Author(s):
LI Chuanmu; SONG Haiming; HONG Contact; etc
School of Computer Engineering，Jimei University，Xiamen 361021，China
关键词:
数字水印;  尺度不变特征变换;  几何攻击;  特征区域
Keywords:
digital watermarks;  Scale invariant feature transformation;  geometric attacks;  Feature area
文献标志码:
A
摘要:
提出了一种基于尺度不变特征变换(SIFT)和小波变换的抗几何攻击的自适应鲁棒水印算法.首先利用SIFT算法从载体图像中提取稳定的特征点;然后根据特征尺度和方向自适应来确定每个局部特征区域大小和方向;最后从中选择具有较大特征尺度互不重叠的特征区域,并利用量化小波系数的方法将水印嵌入到每个局部特征区域内.仿真实验结果表明,该算法不仅具有良好的透明性,而且具有较强的抵抗常规信号处理和几何攻击的能力.
Abstract:
An adaptive robust watermarking algorithm based on scale invariant feature transformation (SIFT) and wavelet transform is proposed to resist geometric attacks. Firstly, the SIFT algorithm is used to extract stable feature points from the carrier image. Then, the size and direction of each local feature area are determined according to the feature scale and direction adaptation. Finally, the feature regions with large feature scales that do not overlap with each other are selected, and the watermark is embedded in each local feature region by quantifying the wavelet coefficient. Simulation results show that the algorithm not only has good transparency, but also has strong ability to resist conventional signal processing and geometric attacks.

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更新日期/Last Update: 1900-01-01