DCT域中基于量化指数调制的鲁棒图像水印

IF 0.9 4区计算机科学 Q4 COMPUTER SCIENCE, INFORMATION SYSTEMS

Journal of Internet Technology Pub Date : 2018-03-01 DOI:10.6138/JIT.2018.19.5.20160714

Min Lei, Xiaoming Liu, Mian Wang, Yu Yang, Zhiguo Qu

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引用次数: 1

摘要

传统量化索引调制（QIM）水印的主要缺点是其对缩放攻击的极端敏感性。由于缩放对离散余弦变换（DCT）系数的影响很小，本文提出了一种新的基于QIM的DCT域鲁棒图像水印算法。在该方案中，将主信号的中低频DCT系数分为两部分，然后通过两部分的lp-范数的量化比嵌入水印比特。实验结果证实，与最近提出的方案相比，该算法在对抗常见类型攻击方面具有优越性。

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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Robust Image Watermarking Based On Quantization Index Modulation in the DCT Domain

The main drawback of the traditional quantization index modulation (QIM) watermarking is its extreme sensitivity to scaling attack. Due to scaling have a little effect on Discrete Cosine Transform (DCT) coefficients, this paper proposed a novel robust image watermarking algorithm based on QIM in the DCT domain. In the presented scheme, the medium and low frequency DCT coefficients of host signal are divided into two parts, then the watermark bits are embedded by quantizing ratio of l p -norm of the two parts. Experimental results confirm the superiority of the proposed algorithm against common types attacks in comparison with the recently proposed scheme.

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来源期刊

Journal of Internet Technology COMPUTER SCIENCE, INFORMATION SYSTEMS-TELECOMMUNICATIONS

CiteScore

3.20

自引率

18.80%

发文量

112

审稿时长

13.8 months

期刊介绍： The Journal of Internet Technology accepts original technical articles in all disciplines of Internet Technology & Applications. Manuscripts are submitted for review with the understanding that they have not been published elsewhere. Topics of interest to JIT include but not limited to: Broadband Networks Electronic service systems (Internet, Intranet, Extranet, E-Commerce, E-Business) Network Management Network Operating System (NOS) Intelligent systems engineering Government or Staff Jobs Computerization National Information Policy Multimedia systems Network Behavior Modeling Wireless/Satellite Communication Digital Library Distance Learning Internet/WWW Applications Telecommunication Networks Security in Networks and Systems Cloud Computing Internet of Things (IoT) IPv6 related topics are especially welcome.