[1]石澄贤,马金旺.一种利用小波多分辨分析实现的图像水印方案[J].常州大学学报(自然科学版),2014,(04):76-79.[doi:10.3969/j.issn.2095-0411.2014.04.016]
　SHI Cheng-xian,MA Jin-wang.An Image Watermark Scheme Based on Wavelet Multiresolution Analysis[J].Journal of Changzhou University(Natural Science Edition),2014,(04):76-79.[doi:10.3969/j.issn.2095-0411.2014.04.016]
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一种利用小波多分辨分析实现的图像水印方案()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
期数:
2014年04期
页码:
76-79
栏目:
计算机与信息工程
出版日期:
2014-08-31

文章信息/Info

Title:
An Image Watermark Scheme Based on Wavelet Multiresolution Analysis
作者:
石澄贤; 马金旺
常州大学 数理学院,江苏 常州 213164
Author(s):
SHI Cheng-xian; MA Jin-wang
School of Mathematics and Physics,Changzhou University,Changzhou 213164,China
关键词:
数字水印;  多分辨分析;  几何攻击
Keywords:
digital watermarking;  multiresolution analysis;  geometric distortion
分类号:
TP 391
DOI:
10.3969/j.issn.2095-0411.2014.04.016
文献标志码:
A
摘要:
一般的小波变换不具有几何不变性,因此,基于小波变换域上的水印抗几何攻击是一个富有挑战性的研究课题。提出了通过小波多分辨分析分解图像,对低频分量上的数据进行位分解,然后将水印嵌入到低频分量中,经小波逆变换恢复得到有水印的图像。实验结果表明该水印不仅具有较好的隐蔽性,且对诸如噪声干扰、图像滤波、几何变换、图像文件格式转换处理具有较好的鲁棒性。
Abstract:
The wavelet transform does not has the geometry invariance, therefore, it is a challenge topic that image watermark resists geometry distortion based on wavelet transform region. In the paper, image was decomposed using wavelet resolution analysis. The data of low frequency component was decomposed byte. The information was embedded in low frequency component. The image of being watermark was reconstructed by wavelet reverse transform. It was demonstrated that watermark could well hide in visibility and the algorithm was robust against noise disturbance, filter, geometry transform, file format exchange in the experiment.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介:石澄贤(1961-),男,江苏无锡人,博士,教授,主要从事图像分割和水印研究。
更新日期/Last Update: 2014-12-20