Blind digital watermarking algorithm for color image based on IWT and HVS

doi:10.3778/j.issn.1002-8331.2009.31.053

Computer Engineering and Applications ›› 2009, Vol. 45 ›› Issue (31): 178-179.DOI: 10.3778/j.issn.1002-8331.2009.31.053

• 图形、图像、模式识别 • Previous Articles Next Articles

Blind digital watermarking algorithm for color image based on IWT and HVS

SU Qing-tang¹，SUN Zhong-hong¹，ZHANG Ying-li¹，SUI Hong-cai¹，LIU Xian-xi²

1.Department of Modern Education Technology and Teaching，Ludong University，Yantai，Shandong 264025，China
2.College of Mechanical & Electrical Engineering，Shandong Agricultural University，Taian，Shandong 271018，China

Received:2008-06-17 Revised:2008-09-19 Online:2009-11-01 Published:2009-11-01
Contact: SU Qing-tang

基于IWT和HVS的彩色图像盲水印算法

苏庆堂¹，孙中红¹，张英俐¹，隋洪财¹，刘贤喜²

1.鲁东大学现代教育技术教学部，山东烟台 264025
2.山东农业大学机电学院，山东泰安 271018

通讯作者: 苏庆堂

Abstract

Abstract: Most of the present image watermarking techniques are about gray image and based on Discrete Wavelet Transform（DWT）.A digital watermarking algorithm for color watermark embedded to color host image based on Integer Wavelet Transform（IWT） is proposed.Encrypted watermark is embedded adaptively into the Y luminance component of the YCbCr in IWT domain according to the Human Visual System（HVS） peculiarity.The proposed algorithm allows extracting watermark without the help of original watermark and host image.Experiment results show that the proposed algorithm is invisible and robust against common image processing.

Key words: color image, color digital watermark, Integer Wavelet Transform（IWT）, Human Visual System（HVS）, blind watermark

摘要： 针对目前大多数图像水印技术是关于灰度图像并且基于离散小波变换的研究，提出了一种基于整型小波变换（Integer Wavelet Transform，IWT）将彩色数字水印嵌入到彩色宿主图像中的算法。采用YCbCr色彩空间的Y分量嵌入水印，利用人类视觉系统特性（Human Visual System，HVS）实现彩色水印嵌入位置的自适应确定；彩色水印的提取不需要原始水印和原始宿主图像。实验证明，嵌入水印后的图像具有很好的不易觉察性，并且对常见的图像处理操作具有很强的鲁棒性。

关键词: 彩色图像, 彩色数字水印, 整数小波变换, 人类视觉系统, 盲水印

CLC Number:

TP309

SU Qing-tang¹，SUN Zhong-hong¹，ZHANG Ying-li¹，SUI Hong-cai¹，LIU Xian-xi². Blind digital watermarking algorithm for color image based on IWT and HVS[J]. Computer Engineering and Applications, 2009, 45(31): 178-179.

苏庆堂¹，孙中红¹，张英俐¹，隋洪财¹，刘贤喜². 基于IWT和HVS的彩色图像盲水印算法[J]. 计算机工程与应用, 2009, 45(31): 178-179.

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Blind digital watermarking algorithm for color image based on IWT and HVS

基于IWT和HVS的彩色图像盲水印算法

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