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Block-based Adaptive Image Watermarking Scheme using Visual Perception Model in DCT Domain

by F. Namazi, M. R. Karami, S. B. Ramazannia
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 41 - Number 4
Year of Publication: 2012
Authors: F. Namazi, M. R. Karami, S. B. Ramazannia
10.5120/5532-7579

F. Namazi, M. R. Karami, S. B. Ramazannia . Block-based Adaptive Image Watermarking Scheme using Visual Perception Model in DCT Domain. International Journal of Computer Applications. 41, 4 ( March 2012), 41-45. DOI=10.5120/5532-7579

@article{ 10.5120/5532-7579,
author = { F. Namazi, M. R. Karami, S. B. Ramazannia },
title = { Block-based Adaptive Image Watermarking Scheme using Visual Perception Model in DCT Domain },
journal = { International Journal of Computer Applications },
issue_date = { March 2012 },
volume = { 41 },
number = { 4 },
month = { March },
year = { 2012 },
issn = { 0975-8887 },
pages = { 41-45 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume41/number4/5532-7579/ },
doi = { 10.5120/5532-7579 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T20:30:18.788552+05:30
%A F. Namazi
%A M. R. Karami
%A S. B. Ramazannia
%T Block-based Adaptive Image Watermarking Scheme using Visual Perception Model in DCT Domain
%J International Journal of Computer Applications
%@ 0975-8887
%V 41
%N 4
%P 41-45
%D 2012
%I Foundation of Computer Science (FCS), NY, USA
Abstract

In this paper, an improved DCT-based watermarking technique has been presented, which exploits human visual model for adapting the watermark data to local properties of the host image. In order to achieve more robustness and transparency, watermark has been embedded into the middle frequency components of the image. These components are significant in high textural regions so that the visibility of the image would not be affected and the watermark will not be removed by compression. Experimental results are provided to demonstrate that embedded watermarks can be almost fully extracted from the JPEG-compressed images with very high compression ratios and other kind of attacked images.

References
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Index Terms

Computer Science
Information Sciences

Keywords

Digital Watermarking Discrete Cosine Transformation Human Visual System

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