%0 Journal Article
%T Countermeasures to Image Denoising Attacks in Data Hiding<br>数据隐藏中图像去噪攻击及其对策
%A YUAN Yuan DOU Wen-Hua
%A <br>袁渊
%A 窦文华
%J 计算机科学
%D 2004
%I 
%X Digital watermark is a key technique of digital copyright protection. This paper analyzes the principle of denoising from the watermark attack point of view and presents several solutions to this problem. Experimental results prove the correctness of theory analysis. This would be of benefit to the design and research of watermark algorithm.
%K Digital watermark
%K Denoising attack
%K Maximum a posterior
%K Maximum likelihood<br>数字水印
%K 版权保护
%K 去噪攻击
%K 互联网
%K 数字作品
%K 最大后验概率估计
%K 极大似然估计
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=64A12D73428C8B8DBFB978D04DFEB3C1&aid=81BB9E123E207B6A&yid=D0E58B75BFD8E51C&vid=4AD960B5AD2D111A&iid=CA4FD0336C81A37A&sid=28F8B56DB6BEE30E&eid=7C72DBC13F2D71EC&journal_id=1002-137X&journal_name=计算机科学&referenced_num=0&reference_num=9