Fragile Blind Watermarking of High Detection Rate for Color Image Integrity Authentication

LIU Wei; WANG Feng-ying

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Fragile Blind Watermarking of High Detection Rate for Color Image Integrity Authentication

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- Fragile Blind Watermarking of High Detection Rate for Color Image Integrity Authentication
- Vol. 28, Issue 7, Pages: 209-212(2011)
- 作者机构：
  
  1. 莱芜职业技术学院,山东,莱芜,271100
  2. 山东理工大学,山东,淄博,255049
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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刘伟, 王凤英. 一种高检测率用于彩色图像完整性证明的脆弱盲水印[J]. 微电子学与计算机, 2011, 28(7): 209-212.

LIU Wei, WANG Feng-ying. Fragile Blind Watermarking of High Detection Rate for Color Image Integrity Authentication[J]. 2011, 28(7): 209-212.
刘伟, 王凤英. 一种高检测率用于彩色图像完整性证明的脆弱盲水印[J]. 微电子学与计算机, 2011, 28(7): 209-212. DOI：

LIU Wei, WANG Feng-ying. Fragile Blind Watermarking of High Detection Rate for Color Image Integrity Authentication[J]. 2011, 28(7): 209-212. DOI：

摘要

提出了一种高检测率的用于彩色图像完整性证明的脆弱盲水印算法.将原始图像R、G、B色彩分量图像分块

对各分块进行一次整数小波变换;将小波系数经函数处理后映射为混沌初值

经过迭代、量化生成二值水印信息

然后随机嵌入到小波变换域.本算法利用混沌系统对初值极端敏性特点增强了水印信息的安全性

提高了脆弱水印的敏感性.

Abstract

A fragile blind watermarking algorithm of high detection rate for color image integrity authentication was proposed.Firstly

we divided the R、G、B components of image into some blocks

operated integer wavelet transform for each block once

and changed wavelet coefficients through function mapping into the initial value of chaos.The watermark information was obtained by iterating of chaos and quantifying the chaos sequence.At last

we embedded the watermark information into wavelet transform domain randomly.The algorithm improved safety of watermark information and sensitivity of fragile watermarking.

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