计算机工程2011，Vol.37Issue(13)：107-108,112,3.DOI:10.3969/j.issn.1000-3428.2011.13.034
基于人类视觉系统的数字图像水印方法
Digital Image Watermark Method Based on Human Visual System
摘要
Abstract
There is a trade off between the imperceptibility and robustness of a digital watermark system.Trying to deal with this problem, a new digital image watermark method based on Human Visual System(HVS) is proposed.The geometrically invariant space is constructed by using image normalization, and a significant region is obtained from it.A readable watermark with size of 256 bit is adaptively embedded in the Discrete Fourier Transform(DFT) domain in accordance with the conceal quality of HVS.Especially, the predistortion compensation method is used to reduce image distortion generated by image normalization.This is a blind watermark algorithm to confirm the copyright without the original image.Experimental results show that the proposed scheme is not only invisible, but also robust against common signals processing and geometric attacks.关键词
图像水印/人类视觉系统/儿何攻击/图像归一化/离散傅里叶变换域Key words
image watermark/ Human Visual System(HVS)/ geometric attack/ image normalization/ Discrete Fourier Transform(DFT) domain分类
信息技术与安全科学引用本文复制引用
王晶,王向阳..基于人类视觉系统的数字图像水印方法[J].计算机工程,2011,37(13):107-108,112,3.基金项目
国家自然科学基金资助项目(60773031,60873222) （60773031,60873222）
计算机软件新技术国家重点实验室(南京大学)开放基金资助项目(A200702) （南京大学）
视觉与听觉信息处理国家重点实验室(北京大学)开放基金资助项目(0503) （北京大学）
信息安全国家重点实验室(中国科学院软件研究所)开放基金资助项目(03-06) （中国科学院软件研究所）
大连市科技基金资助项目(2006J23JH020). （2006J23JH020）
