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International Journal of Image, Graphics and Signal Processing(IJIGSP)

ISSN: 2074-9074 (Print), ISSN: 2074-9082 (Online)

Published By: MECS Press

IJIGSP Vol.9, No.6, Jun. 2017

JPEG Image Steganography based on Coefficients Selection and Partition

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Author(s)

Arshiya Sajid Ansari, Mohammad Sajid Mohammadi, Mohammad Tanvir Parvez

Index Terms

JPEG Image Steganography;Partition Scheme;Indicator Sequence;Encoded Shared Key

Abstract

In this paper, we propose a novel JPEG image Steganography algorithm based on partition schemes on image coefficient values. Our method selects the AC and DC coefficients of a JPEG image according to a channel selection method and then identifies appropriate coefficients to store the secret data-bits. As opposed to other reported works, in our algorithm each selected coefficient can store a variable number of data-bits that are decided using the concept called ‘Partition Scheme’. Experimental results indicate the suitability of the proposed algorithm as compared to other existing methods. 

Cite This Paper

Arshiya Sajid Ansari, Mohammad Sajid Mohammadi, Mohammad Tanvir Parvez,"JPEG Image Steganography based on Coefficients Selection and Partition", International Journal of Image, Graphics and Signal Processing(IJIGSP), Vol.9, No.6, pp.14-22, 2017.DOI: 10.5815/ijigsp.2017.06.02

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