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An Optimized Trade-off Decomposition Steganography Algorithm

by Mazhar Tayel, Hamed Shawky
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 86 - Number 5
Year of Publication: 2014
Authors: Mazhar Tayel, Hamed Shawky
10.5120/14981-3187

Mazhar Tayel, Hamed Shawky . An Optimized Trade-off Decomposition Steganography Algorithm. International Journal of Computer Applications. 86, 5 ( January 2014), 19-23. DOI=10.5120/14981-3187

@article{ 10.5120/14981-3187,
author = { Mazhar Tayel, Hamed Shawky },
title = { An Optimized Trade-off Decomposition Steganography Algorithm },
journal = { International Journal of Computer Applications },
issue_date = { January 2014 },
volume = { 86 },
number = { 5 },
month = { January },
year = { 2014 },
issn = { 0975-8887 },
pages = { 19-23 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume86/number5/14981-3187/ },
doi = { 10.5120/14981-3187 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T22:03:25.557447+05:30
%A Mazhar Tayel
%A Hamed Shawky
%T An Optimized Trade-off Decomposition Steganography Algorithm
%J International Journal of Computer Applications
%@ 0975-8887
%V 86
%N 5
%P 19-23
%D 2014
%I Foundation of Computer Science (FCS), NY, USA
Abstract

In this paper a modified Steganography algorithm is proposed. A fuzzification is performed in the message channel to compress the decomposed coefficients before embedding in the cover-image to get a new Stego-image. A relative embedding strength factor (ESF) is used for embedding the secret in the cover-image. The well known metrics (MSE, PSNR, Cor. and Entropy) were used to evaluate quality of the modified algorithm. Also, the trade-off factor was introduced to determine an optimum value for the ESF to get an acceptable degradation in the Stego-image. In addition, the reconstruction algorithm mentioned in previous paper was modified using the optimum value of the ESF. Comparisons show improved results w. r. t. other algorithms.

References
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Index Terms

Computer Science
Information Sciences

Keywords

Steganography Cover-image Secret-message Decomposition Fuzzy set

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