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Reseach Article

Imperceptible Watermarking Technique using Arnold’s Transform and Cross Chaos Map in DCT Domain

by Chittaranjan Pradhan, Vilakshan Saxena, Ajay Kumar Bisoi
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 55 - Number 15
Year of Publication: 2012
Authors: Chittaranjan Pradhan, Vilakshan Saxena, Ajay Kumar Bisoi
10.5120/8835-3053

Chittaranjan Pradhan, Vilakshan Saxena, Ajay Kumar Bisoi . Imperceptible Watermarking Technique using Arnold’s Transform and Cross Chaos Map in DCT Domain. International Journal of Computer Applications. 55, 15 ( October 2012), 50-53. DOI=10.5120/8835-3053

@article{ 10.5120/8835-3053,
author = { Chittaranjan Pradhan, Vilakshan Saxena, Ajay Kumar Bisoi },
title = { Imperceptible Watermarking Technique using Arnold’s Transform and Cross Chaos Map in DCT Domain },
journal = { International Journal of Computer Applications },
issue_date = { October 2012 },
volume = { 55 },
number = { 15 },
month = { October },
year = { 2012 },
issn = { 0975-8887 },
pages = { 50-53 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume55/number15/8835-3053/ },
doi = { 10.5120/8835-3053 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T20:57:22.956322+05:30
%A Chittaranjan Pradhan
%A Vilakshan Saxena
%A Ajay Kumar Bisoi
%T Imperceptible Watermarking Technique using Arnold’s Transform and Cross Chaos Map in DCT Domain
%J International Journal of Computer Applications
%@ 0975-8887
%V 55
%N 15
%P 50-53
%D 2012
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Digital watermarking is the process of embedding secret information into a digital signal which may be used to verify its authenticity or the identity of its owners. In this paper, we have taken image as the medium of watermarking. Here, we have discussed an imperceptible watermarking technique by using double encryptions in DCT domain. For the encryption process, Arnold's transform and Cross chaos map are used. Like other algorithms, this one is also evaluated by Peak signal to noise ratio (PSNR). From the experimental results, it can be proved that this algorithm gives better PSNR value, which makes the algorithm to imperceptible.

References
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Index Terms

Computer Science
Information Sciences

Keywords

Watermarking Arnold's transformation Cross chaotic map Discrete cosine transform