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Reseach Article

Image Steganography using Index based Chaotic Mapping

Published on January 2015 by Shreenandan Kumar, Suman Kumari, Sucheta Patro andtushar Shandilya, Anuja Kumar Acharya
International Conference on Distributed Computing and Internet Technology
Foundation of Computer Science USA
ICDCIT2015 - Number 1
January 2015
Authors: Shreenandan Kumar, Suman Kumari, Sucheta Patro andtushar Shandilya, Anuja Kumar Acharya
b7f43e16-0909-4ba6-8418-a4e0c57f5a37

Shreenandan Kumar, Suman Kumari, Sucheta Patro andtushar Shandilya, Anuja Kumar Acharya . Image Steganography using Index based Chaotic Mapping. International Conference on Distributed Computing and Internet Technology. ICDCIT2015, 1 (January 2015), 1-4.

@article{
author = { Shreenandan Kumar, Suman Kumari, Sucheta Patro andtushar Shandilya, Anuja Kumar Acharya },
title = { Image Steganography using Index based Chaotic Mapping },
journal = { International Conference on Distributed Computing and Internet Technology },
issue_date = { January 2015 },
volume = { ICDCIT2015 },
number = { 1 },
month = { January },
year = { 2015 },
issn = 0975-8887,
pages = { 1-4 },
numpages = 4,
url = { /proceedings/icdcit2015/number1/19406-4001/ },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Proceeding Article
%1 International Conference on Distributed Computing and Internet Technology
%A Shreenandan Kumar
%A Suman Kumari
%A Sucheta Patro andtushar Shandilya
%A Anuja Kumar Acharya
%T Image Steganography using Index based Chaotic Mapping
%J International Conference on Distributed Computing and Internet Technology
%@ 0975-8887
%V ICDCIT2015
%N 1
%P 1-4
%D 2015
%I International Journal of Computer Applications
Abstract

There have been many techniques for hiding messages in images in such a manner that the alterations made to the image are perceptually indiscernible. The Least-significant bit (LSB)-based approach is the most popular type of steganographic algorithm. However, we find that in most existing approaches the choice of embedding positions within the cover image are not secure enough. In this paper, we have used 1D chaotic logistic map to generate the pseudo random numbers; the index values of the sorted pseudo random numbers are the positions used to embed the message in the cover image. This technique provides sufficient security as the same set of numbers cannot be generated without knowing the exact key and thus the message is more secure. The proposed technique has been applied and tested successfully on various images producing significant results.

References
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Index Terms

Computer Science
Information Sciences

Keywords

Steganography Chaotic Map Logistic Map Lsb Technique.