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一种基于小波变换的灰度图像水印算法
引用本文:黄福莹,赵进创,陈华.一种基于小波变换的灰度图像水印算法[J].微计算机信息,2007,23(18):31-32,23.
作者姓名:黄福莹  赵进创  陈华
作者单位:广西大学计算机与电子信息学院
基金项目:广西科技厅企业创新能力建设项目桂科能(0330013-10J)
摘    要:本文提出了一种基于小波变换的采用灰度图像作为水印的盲水印算法,水印经过图像置乱后,把水印分解成8个二值位平面,选择高4位二值位平面嵌入到原始图像的中频子带.实验结论和攻击测试表明,本文所提议的算法对JPEG有损压缩和加性噪声等图像攻击有较强的鲁棒性.

关 键 词:数字水印  鲁棒性  小波变换  灰度图像  图像置乱
文章编号:1008-0570(2007)06-3-0031-02
修稿时间:2007-04-032007-05-05

A method for gray-level image watermarking in wavelet transform
HUANG FUYING,ZHAO JINCHUANG,CHEN HUA.A method for gray-level image watermarking in wavelet transform[J].Control & Automation,2007,23(18):31-32,23.
Authors:HUANG FUYING  ZHAO JINCHUANG  CHEN HUA
Affiliation:School of Computer and Electronics and Information, Guangxi University
Abstract:A blind watermarking method based on wavelet transform is proposed in the paper, which selects a gray-level image as the watermarking,After be scrambled,the watermarking can be decomposed into eight binary images.The higher four binary images are embedded into the middle frequency coefficients of the original image,Experimental results and the testings of attacking prove that the method is robust enough to some image attacking processes such as JPEG compressing and adding noise.
Keywords:digital watermarking  robustness  wavelet transform  gray-level image  image scrambling
本文献已被 CNKI 维普 万方数据 等数据库收录!
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