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A Modified Approach of Image Steganography based on Block DCT and Huffman Encoding without Embedding Dictionary into Stego-Image

by Anil N. Bhure, Vaishali S. Jabade
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 94 - Number 8
Year of Publication: 2014
Authors: Anil N. Bhure, Vaishali S. Jabade
10.5120/16364-5774

Anil N. Bhure, Vaishali S. Jabade . A Modified Approach of Image Steganography based on Block DCT and Huffman Encoding without Embedding Dictionary into Stego-Image. International Journal of Computer Applications. 94, 8 ( May 2014), 24-27. DOI=10.5120/16364-5774

@article{ 10.5120/16364-5774,
author = { Anil N. Bhure, Vaishali S. Jabade },
title = { A Modified Approach of Image Steganography based on Block DCT and Huffman Encoding without Embedding Dictionary into Stego-Image },
journal = { International Journal of Computer Applications },
issue_date = { May 2014 },
volume = { 94 },
number = { 8 },
month = { May },
year = { 2014 },
issn = { 0975-8887 },
pages = { 24-27 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume94/number8/16364-5774/ },
doi = { 10.5120/16364-5774 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T22:17:07.568228+05:30
%A Anil N. Bhure
%A Vaishali S. Jabade
%T A Modified Approach of Image Steganography based on Block DCT and Huffman Encoding without Embedding Dictionary into Stego-Image
%J International Journal of Computer Applications
%@ 0975-8887
%V 94
%N 8
%P 24-27
%D 2014
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Image Steganography is superimposing a secret image into a cover image such a way that perceptability and properties of cover image remains unchanged. In this paper proposing a modified approach of Image Steganography which is based on Block DCT and Huffman Encoding without inserting a Huffman table into stego image. In the proposed method embedded an encoded secret image (Huffman Table) to the transformed cover image (Block DCT) by ± 1 embedding method. To working on N x N block DCT transforming cover image. The experimental result shows that the modified approach gives better Steganography properties of stego image in terms of PSNR, correlation coefficient than the existing algorithm.

References
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Index Terms

Computer Science
Information Sciences

Keywords

Steganography Block DCT Huffman Encoding.

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