Multiple-watermarking scheme based on improved chaotic maps

被引：26

作者：

Behnia, S. ^{[1
]}

Teshnehlab, M. ^{[2
]}

Ayubi, P. ^{[3
]}

机构：

[1] IAU, Dept Phys, Ourmia, Iran

[2] KN Toosi Univ Technol, Dept Elec Eng, Tehran, Iran

[3] IAU, Dept Comp, Ourmi, Iran

来源：

COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION | 2010年 / 15卷 / 09期

关键词：

Pair-coupled maps; Pseudo random sequence; Ergodic theory; Robustness; Digital signature image; Key space; security; ENCRYPTION SCHEME; SYNCHRONIZATION;

D O I：

10.1016/j.cnsns.2009.09.042

中图分类号：

O29 [应用数学];

学科分类号：

070104 [应用数学];

摘要：

In this letter a new watermarking scheme for color image is proposed based on a family of the pair-coupled maps. Pair-coupled maps are employed to improve the security of watermarked image, and to encrypt the embedding position of the host image. Another map is also used to determine the pixel bit of host image for the watermark embedding. The purpose of this algorithm is to improve the shortcoming of watermarking such as small key space and low security. Due to the sensitivity to the initial conditions of the introduced pair-coupled maps, the security of the scheme is greatly improved. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：2469 / 2478

页数：10

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[2]

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