Dual-watermarking policy based on Arnold transform and error correcting coding

doi:10.3778/j.issn.1002-8331.2010.21.028

Computer Engineering and Applications ›› 2010, Vol. 46 ›› Issue (21): 100-102.DOI: 10.3778/j.issn.1002-8331.2010.21.028

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Dual-watermarking policy based on Arnold transform and error correcting coding

ZHANG Li，JIA Zhen-hong

School of Information Science and Engineering，Xinjiang University，Urumqi 830046，China

Received:2008-12-30 Revised:2009-03-04 Online:2010-07-21 Published:2010-07-21
Contact: ZHANG Li

利用Arnold变换和纠错编码实现的双水印策略

张丽，贾振红

新疆大学信息科学与工程学院，乌鲁木齐 830046

通讯作者: 张丽

Abstract

Abstract: A novel dual-watermarking algorithm based on wavelet transform for color images is proposed.Firstly，the RGB color image is transformed into YIQ color space，and then the Y is decomposed with discrete wavelet transform.Arnold transform and error correcting coding are adopted in the watermarking processing，and then they are embedded into the detail sub_image.Mostly，this algorithm can also realize blind extraction.The watermark generated with proposed algorithm is imperceptible and of better robustness against common attacking processing methods.

Key words: dual-watermarking, wavelet transform, Arnold transform, error correcting coding, robustness

摘要： 提出了一种新的基于小波变换的彩色图像双水印算法，首先把RGB彩色图像转换为YIQ空间模型图像，并对提取的亮度分量Y进行离散小波变换；利用Arnold变换和纠错编码分别对两类水印进行了预处理，而后将它们作为水印以不同的方式嵌入到小波变换系数中，且实现了水印的盲提取。理论分析和实验仿真表明该算法对常见的水印攻击表现出了较强的鲁棒性。

关键词: 双水印, 小波变换, Arnold变换, 纠错编码, 鲁棒性

CLC Number:

TP393

ZHANG Li，JIA Zhen-hong. Dual-watermarking policy based on Arnold transform and error correcting coding[J]. Computer Engineering and Applications, 2010, 46(21): 100-102.

张丽，贾振红. 利用Arnold变换和纠错编码实现的双水印策略[J]. 计算机工程与应用, 2010, 46(21): 100-102.

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Dual-watermarking policy based on Arnold transform and error correcting coding

利用Arnold变换和纠错编码实现的双水印策略

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