[1]邢艳丽 付兴斌 项学智.基于图像特征的鲁棒水印算法研究[J].计算机技术与发展,2011,(02):193-197.
　XING Yan-li,FU Xing-bin,XIANG Xue-zhi.A Feature-Based Robust Image Watermarking Method[J].,2011,(02):193-197.
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基于图像特征的鲁棒水印算法研究()

《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2011年02期
页码:
193-197
栏目:
安全与防范
出版日期:
1900-01-01

文章信息/Info

Title:
A Feature-Based Robust Image Watermarking Method
文章编号:
1673-629X（2011）02-0193-05
作者:
邢艳丽 付兴斌 项学智
哈尔滨工程大学信息与通信工程学院
Author(s):
XING Yan-li; FU Xing-bin; XIANG Xue-zhi
College of Information and Communication Engineering,Harbin Engineering University
关键词:
数字水印; 鲁棒性; 几何攻击; Harris算子
Keywords:
digital watermaking;  robustness;  geometric attack;  Harris operator
分类号:
TP273.4
文献标志码:
A
摘要:
为提高图像盲水印抗几何攻击的能力,提出了一套基于图像特征的水印嵌入方案。首先利用具有几何不变性的Harris算子检测出图像特征点,然后在每块由特征点生成的Delaunay三角网上采用一种基于小波系数显著性差异调制量化方式进行水印的嵌入和检测。该嵌入水印算法的思想是通过比较每组小波系数的显著性差异值和所有组的平均显著性差异值的方法来量化每一组块的最大小波系数。实验结果表明,该方法不仅对压缩、滤波等常见攻击具有稳健性,同时对旋转、缩放、变形等几何攻击也具有较好的稳健性
Abstract:
To increase the ability of the watermarked image against the geometrical attacks in the blind watermarking applications,a digital image watermarking method based on image feature is proposed.First,feature points of image are extracted by geometry invariant Harris operator,then,on the Delaunay tessellation which is divided by this set of points,an efficient watermarking method based on significant difference of wavelet coefficient quantization is adopted to embed and detect the watermark.The idea of this watermarking method is that the local maximum wavelet coefficient in a block is quantized by comparing the significant difference value in a block with the average significant difference value in all blocks.The results of experiment show that the method is able to withstand a variety of attacks including JPEG compression,noise addition and common geometric attacks such as rotation,scaling and shift

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备注/Memo

备注/Memo:
教育部中央高校基本科研业务费专项资金资助项目（HEUCF100822）邢艳丽（1987-），女，黑龙江哈尔滨人，硕士，研究方向为信号与信息处理、图像处理；付兴斌，博士，高级实验师，研究方向为信息与信号处理；项学智，博士，讲师，研究方向为信号与信息处理，模式识别
更新日期/Last Update: 1900-01-01