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Image Steganography based on Quantization Error

by Akanksha Tripathi, Sachin Kathuria
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 141 - Number 9
Year of Publication: 2016
Authors: Akanksha Tripathi, Sachin Kathuria
10.5120/ijca2016909804

Akanksha Tripathi, Sachin Kathuria . Image Steganography based on Quantization Error. International Journal of Computer Applications. 141, 9 ( May 2016), 36-39. DOI=10.5120/ijca2016909804

@article{ 10.5120/ijca2016909804,
author = { Akanksha Tripathi, Sachin Kathuria },
title = { Image Steganography based on Quantization Error },
journal = { International Journal of Computer Applications },
issue_date = { May 2016 },
volume = { 141 },
number = { 9 },
month = { May },
year = { 2016 },
issn = { 0975-8887 },
pages = { 36-39 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume141/number9/24816-2016909804/ },
doi = { 10.5120/ijca2016909804 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T23:43:06.404067+05:30
%A Akanksha Tripathi
%A Sachin Kathuria
%T Image Steganography based on Quantization Error
%J International Journal of Computer Applications
%@ 0975-8887
%V 141
%N 9
%P 36-39
%D 2016
%I Foundation of Computer Science (FCS), NY, USA
Abstract

This paper designs a technique that hides the text in a image such that the modified (stego) image have same or enhanced quantized variance as compared to the original image. The algorithm hides the text in the higher frequency component of transformed image only if the image quantized variance needs the improvement at that pixel. This results in the enhanced image with hided data. The results are analysed over various images by using the parameters like PSNR, MSE and the quantized variance.

References
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Index Terms

Computer Science
Information Sciences

Keywords

Quantization error PSNR jpeg stego image.

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