Attack on "Watermarking Method Based on Significant Difference of Wavelet Coefficient Quantization"

被引：25

作者：

Meerwald, Peter ^{[1
]}

Koidl, Christian ^{[1
]}

Uhl, Andreas ^{[1
]}

机构：

[1] Salzburg Univ, Dept Comp Sci, A-5020 Salzburg, Austria

来源：

IEEE TRANSACTIONS ON MULTIMEDIA | 2009年 / 11卷 / 05期

基金：

奥地利科学基金会;

关键词：

Attack; copyright protection; quantization; watermarking; TREE QUANTIZATION;

D O I：

10.1109/TMM.2009.2021793

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This letter describes an attack on the recently proposed "Watermarking Method Based on Significant Difference of Wavelet Coefficient Quantization" by Lin et al. While the method is shown to be robust against many signal processing operations, security of the watermarking scheme under intentional attack exploiting knowledge of the implementation has been neglected. We demonstrate a straightforward attack which retains the fidelity of the image. The method is therefore not suitable for copyright protection applications. Further, we propose a countermeasure which mitigates the shortcoming.

引用

页码：1037 / 1041

页数：5

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