Research Article
Performance Analysis of Image Steganography based on DWT and Arnold Transform
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
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| Volume 69 - Issue 21 |
| Published: May 2013 |
| Authors: Shikha Sharda, Sumit Budhiraja |
10.5120/12099-8310
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Shikha Sharda, Sumit Budhiraja . Performance Analysis of Image Steganography based on DWT and Arnold Transform. International Journal of Computer Applications. 69, 21 (May 2013), 46-50. DOI=10.5120/12099-8310
@article{ 10.5120/12099-8310,
author = { Shikha Sharda,Sumit Budhiraja },
title = { Performance Analysis of Image Steganography based on DWT and Arnold Transform },
journal = { International Journal of Computer Applications },
year = { 2013 },
volume = { 69 },
number = { 21 },
pages = { 46-50 },
doi = { 10.5120/12099-8310 },
publisher = { Foundation of Computer Science (FCS), NY, USA }
}
%0 Journal Article
%D 2013
%A Shikha Sharda
%A Sumit Budhiraja
%T Performance Analysis of Image Steganography based on DWT and Arnold Transform%T
%J International Journal of Computer Applications
%V 69
%N 21
%P 46-50
%R 10.5120/12099-8310
%I Foundation of Computer Science (FCS), NY, USA
Abstract
Steganography is the technique that communicates secret data in different carriers like image, audio files etc. in such a way that it is not be visible to attackers. In this paper, performance analysis of image steganography based on Discrete Wavelet Transform (DWT) associated to colored and gray scale images is done. Arnold transformation along with a private key is used during encoding to provide high security. DWT is applied on both the cover image and the secret image and then alpha blending operation is done. Stego-image is obtained by using Inverse Discrete Wavelet Transformation (IDWT) Performance analysis is done by using different wavelet families. The simulation results show that PSNR values of the Arnold Transform based method are better than existing methods.
References
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