An Authentication Watermark Algorithm for JPEG images

Xi Shi, Fenlin Liu, Daofu Gong, Jing Jing
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引用次数: 3

Abstract

In this paper, an authentication watermark algorithm for JPEG images is proposed, which is basing on the current watermark algorithm proposing and realizing a counterfeiting attack for the current watermarking algorithm security. In order to reduce the miss alarm caused by the mode of embedding watermark, in this algorithm the watermark embedded coefficients are as a factor of the watermark generation, and embedding watermark information by adopting the lowest bit substitute, so as to resist the counterfeiting attack effectively and improve the security of the current algorithm. The theoretical analysis and the realization show that the watermark algorithm presented by this paper has a lower miss alarm probability compared with the current algorithm, and further more the algorithm security.
一种用于JPEG图像的认证水印算法
本文在现有水印算法的基础上,提出了一种针对JPEG图像的认证水印算法,实现了对现有水印算法安全性的伪造攻击。为了减少水印嵌入方式造成的误报,该算法将水印嵌入系数作为水印生成的一个因素,采用最低位替代嵌入水印信息,从而有效抵御伪造攻击,提高了当前算法的安全性。理论分析和实现表明,本文提出的水印算法比现有算法具有更低的漏报概率,进一步提高了算法的安全性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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