[1]张斌 王嘉祯 文家福 常雷[].基于SIFT的抗几何攻击水印研究与实现[J].计算机技术与发展,2011,(03):174-177.
　ZHANG Bin WANG Jia-zhen,WEN Jia-fu,CHANG Lei.Watermark Research and Implementation Against Geometric Distortion Based on SIFT[J].,2011,(03):174-177.
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基于SIFT的抗几何攻击水印研究与实现()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2011年03期
页码:
174-177
栏目:
安全与防范
出版日期:
1900-01-01

文章信息/Info

Title:
Watermark Research and Implementation Against Geometric Distortion Based on SIFT
文章编号:
1673-629X（2011）03-0174-04
作者:
张斌1; 2 王嘉祯1 文家福1 常雷[3]
[1]军械工程学院[2]中国航天员中心[3]装甲兵工程学院
Author(s):
ZHANG Bin WANG Jia-zhen;  WEN Jia-fu;  CHANG Lei
[1]Academy of Ordnance Engineering[2]Astronaut Center of China[3]Academy of Armored Force Engineering
关键词:
SIFT; 几何攻击; 数字水印
Keywords:
SIFT;  RST distortion;  digital watermark
分类号:
TP391
文献标志码:
A
摘要:
数字水印算法面临几何攻击时，往往丢失了水印嵌入与水印检测的同步性，造成水印算法的彻底失效，而基于特征点的水印算法能够较好地抵抗几何扭曲的攻击，特别是基于最新的旋转、缩放、平移不变的SIFT4特征点的数字水印算法，在抵抗几何攻击的同时，能够较好地抵抗光照，视角等变化。在分析SIFT特征点选取原理的基础上，指出该方法的优势及能够抵抗RST攻击的小质原因，对其算法进行了matlab优化实现，并提出了基于SIFT的抗几何攻击的数字水印方案，此外，给出了图像特征点的一般定义，讨论了水印特征点选取一般和理想要求
Abstract:
When digital watermark meets geometric attack, generally the synchronization between the embedding and extraction of the watermark is lost, which means the watermark algorithm is useless. The algorithm based image features can better resist geometric distortion, especially the algorithm based on SIFT. SIFT is not only can resist RST, but also can resist the change of the illumination and viewpoint. Based on the principle analysis of SIFT, introduce the key reasons that SIFT can endure RST distortion, then give out the implementation using Maflab program, and propose a digital watermark scheme which can endure RST attack based on SIFT, by the way, propose a general definition for image special points, and discuss the general and idle requirement for digital watermark special points

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备注/Memo

备注/Memo:
河北省科技基金资助项目（05213579）张斌（1980-），男，博士研究生，助理研究员，从事信息隐藏、数字水印等方面研究
更新日期/Last Update: 1900-01-01