Wavelet-based semi-fragile watermarking with tamper detection

被引：16

作者：

Ding, K ^{[1
]}

He, C ^{[1
]}

Jiang, LG ^{[1
]}

Wang, HX ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Dept Elect Engn, Shanghai, Peoples R China

来源：

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES | 2005年 / E88A卷 / 03期

关键词：

watermarking; semi-fragile; wavelet; tamper detection;

D O I：

10.1093/ietfec/e88-a.3.787

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this letter. a novel wavelet-based semi-fragile watermarking scheme is presented which exploiting the time-frequency feature of discrete wavelet transform (DWT) and high sensitivity on initial value of chaotic map. We also analyze the robustness to mild modification and fragility to malicious attack of our scheme. Its application includes tamper detection. image verification and copyright protection of multimedia content. Simulation results show the scheme can detect and localize Malicious attacks with high peak signal-to-noise ratio (PSNR), while tolerating certain degree of JPEG compression and channel additive white Gaussian noise (AWGN).

引用

页码：787 / 790

页数：4

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