Digital Watermarking Algorithm in DCT Based on Chaotic Scrambling and Chaotic Encryption

ZOU Zhang-hua; TAN Shi-heng; LIN Tu-sheng

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Digital Watermarking Algorithm in DCT Based on Chaotic Scrambling and Chaotic Encryption

更新时间：2026-09-04

- Digital Watermarking Algorithm in DCT Based on Chaotic Scrambling and Chaotic Encryption
- Vol. 28, Issue 5, Pages: 58-62(2011)
- 作者机构：
  
  华南理工大学电信学院,广东,广州,510641
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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邹长华, 谭世恒, 林土胜. 基于混沌置乱和混沌加密的DCT域数字水印算法[J]. 微电子学与计算机, 2011, 28(5): 58-62.

ZOU Zhang-hua, TAN Shi-heng, LIN Tu-sheng. Digital Watermarking Algorithm in DCT Based on Chaotic Scrambling and Chaotic Encryption[J]. 2011, 28(5): 58-62.
邹长华, 谭世恒, 林土胜. 基于混沌置乱和混沌加密的DCT域数字水印算法[J]. 微电子学与计算机, 2011, 28(5): 58-62. DOI：

ZOU Zhang-hua, TAN Shi-heng, LIN Tu-sheng. Digital Watermarking Algorithm in DCT Based on Chaotic Scrambling and Chaotic Encryption[J]. 2011, 28(5): 58-62. DOI：

摘要

把混沌理论应用到图像置乱中

提出了基于混沌的数字图像置乱算法.利用混沌加密算法来对水印数据进行加密

能有效防止攻击者根据统计学方法来检测到水印.然后

对载体图像进行DCT变换

并在DCT域上嵌入水印.通过抗攻击仿真实验表明

该数字水印算法具有较强的抗剪切攻击和噪声攻击能力.

Abstract

In this paper

chaos theory is applied to image scrambling

and a new digital image scrambling algorithm based on chaos is proposed.Then chaotic encryption algorithm is used to encrypt watermark

which can prevent the attackers from detecting the watermark according to statistical methods effectively.The carrier image is putted to DCT transform

and the DCT domain is embedded the watermark.The anti-attack experiments show that the proposed algorithm has strong ability in resisting shear attacks and noise attacks.

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