Estimating cover image for universal payload region detection in stego images

With the increase in digital communication, images have become indispensable media for carrying obscured communication these days. Unraveling the presence or details of obscured transmission also known as steganography is termed as steganalysis. Passive steganalysis focuses only on classification of...

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Main Authors: Punam Bedi, Anuradha Singhal
Format: Article
Language:English
Published: Springer 2022-09-01
Series:Journal of King Saud University: Computer and Information Sciences
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Online Access:http://www.sciencedirect.com/science/article/pii/S1319157822000234
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author Punam Bedi
Anuradha Singhal
author_facet Punam Bedi
Anuradha Singhal
author_sort Punam Bedi
collection DOAJ
description With the increase in digital communication, images have become indispensable media for carrying obscured communication these days. Unraveling the presence or details of obscured transmission also known as steganography is termed as steganalysis. Passive steganalysis focuses only on classification of object as clean or adulterated. Finding the length of payload and regions where the message is hidden, in a stego object is a challenging task and forms a part of Active or Forensic Steganalysis. Many researchers have worked towards finding the length of message, but not much work has been done on finding region where message is hidden. This motivated us to work towards finding the region of payload in stego images. Hence this paper proposes a novel technique for detection of payload regions in a stego image combining Denoising Autoencoder with Local Binary Pattern (LBP) Operator. Denoising Autoencoder is used to learn inter relationships between pixels of an image for estimating cover image from the given stego image. LBP operator capable of capturing local inter-relationships within neighborhood coordinates, have been used to compare corresponding blocks in input stego image and estimated cover image for unraveling payload locations. The major advantage of the proposed technique is that it is universal and it does not require cover image or knowledge about steganographic algorithm used. Accuracy of 96.5% and 97.7% respectively was achieved in the experimental study conducted with spatial and JPEG domain images from BOSSBase dataset.
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spelling doaj-art-5aee0923c8eb448bada7e881ea6515e62025-08-20T03:52:02ZengSpringerJournal of King Saud University: Computer and Information Sciences1319-15782022-09-013485797580910.1016/j.jksuci.2022.01.010Estimating cover image for universal payload region detection in stego imagesPunam Bedi0Anuradha Singhal1Department of Computer Science, University of Delhi, Delhi, IndiaCorresponding author.; Department of Computer Science, University of Delhi, Delhi, IndiaWith the increase in digital communication, images have become indispensable media for carrying obscured communication these days. Unraveling the presence or details of obscured transmission also known as steganography is termed as steganalysis. Passive steganalysis focuses only on classification of object as clean or adulterated. Finding the length of payload and regions where the message is hidden, in a stego object is a challenging task and forms a part of Active or Forensic Steganalysis. Many researchers have worked towards finding the length of message, but not much work has been done on finding region where message is hidden. This motivated us to work towards finding the region of payload in stego images. Hence this paper proposes a novel technique for detection of payload regions in a stego image combining Denoising Autoencoder with Local Binary Pattern (LBP) Operator. Denoising Autoencoder is used to learn inter relationships between pixels of an image for estimating cover image from the given stego image. LBP operator capable of capturing local inter-relationships within neighborhood coordinates, have been used to compare corresponding blocks in input stego image and estimated cover image for unraveling payload locations. The major advantage of the proposed technique is that it is universal and it does not require cover image or knowledge about steganographic algorithm used. Accuracy of 96.5% and 97.7% respectively was achieved in the experimental study conducted with spatial and JPEG domain images from BOSSBase dataset.http://www.sciencedirect.com/science/article/pii/S1319157822000234SteganalysisDenoising AutoencodersLocal Binary Pattern Operator
spellingShingle Punam Bedi
Anuradha Singhal
Estimating cover image for universal payload region detection in stego images
Journal of King Saud University: Computer and Information Sciences
Steganalysis
Denoising Autoencoders
Local Binary Pattern Operator
title Estimating cover image for universal payload region detection in stego images
title_full Estimating cover image for universal payload region detection in stego images
title_fullStr Estimating cover image for universal payload region detection in stego images
title_full_unstemmed Estimating cover image for universal payload region detection in stego images
title_short Estimating cover image for universal payload region detection in stego images
title_sort estimating cover image for universal payload region detection in stego images
topic Steganalysis
Denoising Autoencoders
Local Binary Pattern Operator
url http://www.sciencedirect.com/science/article/pii/S1319157822000234
work_keys_str_mv AT punambedi estimatingcoverimageforuniversalpayloadregiondetectioninstegoimages
AT anuradhasinghal estimatingcoverimageforuniversalpayloadregiondetectioninstegoimages