An Image Watermarking Scheme based on FWHT-DCT

被引：5

作者：

Marjuni, Aris ^{[1
]}

Logeswaran, Rajasvaran ^{[2
]}

Fauzi, M. F. Ahmad ^{[2
]}

机构：

[1] Dian Nuswantoro Univ, Fac Comp Sci, Semarang, Indonesia

[2] Multimedia Univ, Fac Engn, Cyberjaya, Malaysia

来源：

2010 INTERNATIONAL CONFERENCE ON NETWORKING AND INFORMATION TECHNOLOGY (ICNIT 2010) | 2010年

关键词：

Digital Image Watermarking; Imperceptibility; Robustness; Discrete Cosine Transform; Fast Walsh Hadamard Transform;

D O I：

10.1109/ICNIT.2010.5508509

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

Digital image watermarking is frequently used for many purposes, such as image authentication, fingerprinting, copyright protection, and tamper proofing. Imperceptibility and robustness are the watermark requirements of good watermarks. In this paper, we propose the Fast Walsh Hadamard transform (FWHT) combined with the Discrete Cosine Transform (DCT) as a new image watermarking scheme. The FWHT reorders the high-to-Iow sequence components contained in the signal. This scheme produces high perceptual transparency of the embedded watermark. Experimental results show that the proposed scheme has good visual perception and is robust against attacks.

引用

页码：289 / 293

页数：5

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