%0 Journal Article
%T Side-information-based Image Watermarking Resistant to Affine Transformations<br>基于边信息抗仿射变换的数字图像水印算法
%A YUAN Da-Yang
%A WANG Ying
%A <br>袁大洋
%A 王颖
%J 中国科学院研究生院学报
%D 2007
%I 
%X Image watermarking resistant to geometric attacks is challenging at present. As a typical geometric attack,affine transformation can defeat most of existing watermarking schemes. This paper proposes a watermarking algorithm based on the watermarking model with side-information and using Zernike moments of cover image.Employing dither modulation,watermark is coded and embedded by taking the Zernike moments of the normalized image as side information. It has been proved by experiments that this algorithm has high imperceptibility,high capacity,and is robust to affine transformation and JPEG lossy compression.
%K watermarking
%K side-information
%K image normalization
%K affine transformation
%K Zernike moment<br>数字水印
%K 边信息
%K 图像归一化
%K 仿射变换
%K Zernike矩
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=B5EDD921F3D863E289B22F36E70174A7007B5F5E43D63598017D41BB67247657&cid=B47B31F6349F979B&jid=67CDFDECD959936E166E0F72DE972847&aid=11219116C24462DF&yid=A732AF04DDA03BB3&vid=B91E8C6D6FE990DB&iid=CA4FD0336C81A37A&sid=7AA74D31F1FF2DCE&eid=08805F9252973BA4&journal_id=1002-1175&journal_name=中国科学院研究生院学报&referenced_num=0&reference_num=12