The Research of Digital Watermark Signal Based on Chaotic Sequences

JI Zhen; LI Hui-hui; XIAO Wei-wei; ZHANG Ji-hong

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The Research of Digital Watermark Signal Based on Chaotic Sequences

更新时间：2025-07-16

- The Research of Digital Watermark Signal Based on Chaotic Sequences
- Acta Electronica Sinica Vol. 32, Issue 7, Pages: 1131-1134(2004)
- 作者机构：
  
  深圳大学信息工程学院,广东,深圳,518060
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP391.41
- Published：2004
- 稿件说明：
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JI Zhen, LI Hui-hui, XIAO Wei-wei, et al. The Research of Digital Watermark Signal Based on Chaotic Sequences[J]. Acta Electronica Sinica, 2004, 32(7): 1131-1134.
DOI：

JI Zhen, LI Hui-hui, XIAO Wei-wei, et al. The Research of Digital Watermark Signal Based on Chaotic Sequences[J]. Acta Electronica Sinica, 2004, 32(7): 1131-1134. DOI：

摘要

本文针对当前数字水印算法中提出的各种数字水印信号进行分析

综合了数字水印信号应满足的特性

并且提出了基于混沌序列的数字水印信号算法.与目前存在的数字水印信号相比

混沌数字水印信号具有三方面的优点:易于产生

仅需采用一维混沌映射方程

水印信号生成速度快;数量众多

混沌系统模型、参数和初值的选择不同即可得到互不相关的两序列;保密性好

在不知道混沌模型及相关参数的前提下

几乎不可能破译.因此可以有效地解决实际应用中大量数字水印产生的问题及数字水印标准化问题

有利于数字水印技术走向实际应用.

Abstract

Various digital watermark signals involved in digital watermarking algorithms are discussed and the requisite characteristics of a watermark signal are summarized.The chaotic watermark signal based on chaotic sequences is proposed.This chaotic watermark signal has some promising characteristics in comparison with other watermark signals.Firstly

it is easy to be created by using 1-D chaotic maps only.Secondly

it can create numerous chaotic watermark signals whose auto correlation is strong and cross correlation is weak.Finally

the chaotic watermark signal is difficult to be decoded if the chaotic map model and its parameters are unknown.Chaotic watermark signal can meet the tremendous demand in the applications and the standardization of watermark signals will help watermarking technology to come into realization.

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