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基于小波自适应量化的水印算法
引用本文:奚浩波,杨格兰. 基于小波自适应量化的水印算法[J]. 韶关学院学报, 2007, 28(6): 39-42
作者姓名:奚浩波  杨格兰
作者单位:1. 韶关学院,计算中心,广东,韶关,512005
2. 湖南城市学院,计算机科学系,湖南,益阳,413049
摘    要:为了有效地保护数字媒体的版权,提出了一种基于小波的自适用量化的水印算法,使水印算法能确定水印的最优嵌入能量来量化小波系数,实现了水印不可感执行和鲁棒性之间的折衷,同时,水印的提取无须求助于原图像,很好地实现了水印的盲检测.实验结果和攻击测试表明,提出的算法对JPEG/JPEG2000压缩、添加噪声、剪切、亚抽样、低通滤波等多种攻击有较强的鲁棒性.

关 键 词:版权保护  小波树  盲检测
文章编号:1007-5348(2007)06-0039-04
修稿时间:2007-03-06

A wavelet image-adaptive quantization watermarking algorithm
XI Hao-bo,YANG Ge-lan. A wavelet image-adaptive quantization watermarking algorithm[J]. Journal of Shaoguan University(Social Science Edition), 2007, 28(6): 39-42
Authors:XI Hao-bo  YANG Ge-lan
Affiliation:1.Computer Center,Shaoguan University,Shaoguan 512005,Guangdong,China;2.Department of Computer,Hunan City University,Yiyang 413049,Hunan,China
Abstract:Digital media copyright can be protected with a novel wavelet adaptive quantization algorithm for digital image watermarking.We can determine the best energy or capacity to be added to the original image.Experiments and attack test have showed that the algorithm has good robustness on JPEG/JPG2000,additive noise,median filter,sub-sampling,gaussian low pass filter etc.
Keywords:copyright protection  wavelet tree  blind detection
本文献已被 CNKI 维普 万方数据 等数据库收录!
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