Digital image watermarking algorithm based on wavelet blocks

doi:10.3778/j.issn.1002-8331.2008.34.028

Computer Engineering and Applications ›› 2008, Vol. 44 ›› Issue (34): 93-94.DOI: 10.3778/j.issn.1002-8331.2008.34.028

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Digital image watermarking algorithm based on wavelet blocks

ZHU Xian-kun¹,ZHANG Gui-cang¹,LV Bao-cheng¹,ZHANG Xu²

1.College of Mathematic and Information Science，Northwest Normal University，Lanzhou 730070，China
2.Artillery Academy of PLA of China，Hefei 230031，China

Received:2008-04-01 Revised:2008-06-27 Online:2008-12-01 Published:2008-12-01
Contact: ZHU Xian-kun

小波分块的鲁棒性数字水印算法

朱贤坤¹,张贵仓¹,吕宝成¹,张旭²

1.西北师范大学数学与信息科学学院，兰州 730070
2.中国人民解放军炮兵学院，合肥 230031

通讯作者: 朱贤坤

Abstract

Abstract: Through using wavelet blocks，connecting on Arnold transform algorithm，this paper proposes a image watermarking algorithm based on wavelet blocks，and using human visual system to solve the contradiction between imperceptible and robustness of watermark.The experiment results show that the algorithm has good robustness on noise，median filter and image cut.

Key words: digital watermarking, human visual system, Arnold transform, wavelet transform

摘要： 利用小波分块思想，结合Arnold变换算法，提出了一种基于小波分块的水印算法，并且利用人类视觉系统的掩蔽特性，使水印的不可感知性和鲁棒性得到很好的统一。实验结果表明，该算法在对图像进行噪声、中值滤波、剪切等攻击有较强的鲁棒性。

关键词: 数字水印, 人类视觉系统, Arnold变换, 小波变换

ZHU Xian-kun¹,ZHANG Gui-cang¹,LV Bao-cheng¹,ZHANG Xu². Digital image watermarking algorithm based on wavelet blocks[J]. Computer Engineering and Applications, 2008, 44(34): 93-94.

朱贤坤¹,张贵仓¹,吕宝成¹,张旭². 小波分块的鲁棒性数字水印算法[J]. 计算机工程与应用, 2008, 44(34): 93-94.

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Digital image watermarking algorithm based on wavelet blocks

小波分块的鲁棒性数字水印算法

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