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Bit inverting map method for improved steganography scheme

Achieving an efficient and accurate steganography scheme for hiding information is the foremost priority in the information and communication technology era. The developed scheme of hiding the secret message must capable of not giving any clue to the adversaries about the hidden data. In this regard...

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Main Author: Fadhil, Ammar Mohammedali
Format: Thesis
Language:English
Published: 2016
Subjects:
QA75 Electronic computers. Computer science
Online Access:http://eprints.utm.my/id/eprint/78479/1/AmmarMohammedaliFadhilPFC2016.pdf
http://eprints.utm.my/id/eprint/78479/
http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:106913
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spelling my.utm.784792018-08-26T11:57:10Z http://eprints.utm.my/id/eprint/78479/ Bit inverting map method for improved steganography scheme Fadhil, Ammar Mohammedali QA75 Electronic computers. Computer science Achieving an efficient and accurate steganography scheme for hiding information is the foremost priority in the information and communication technology era. The developed scheme of hiding the secret message must capable of not giving any clue to the adversaries about the hidden data. In this regard, enhancing the security and capacity by maintaining the Peak Signal-to-Noise Ratio (PSNR) of the steganography scheme is the main issue to be addressed. This study proposes an improved Bit Inverting Map (BIM) method and a new scheme for embedding secret message into an image. This newly developed scheme is demonstrated to increase the security and capacity to resolve the existing problems. A binary text image is used to represent the secret message instead of normal text. Three stages implementations are used to select pixels before random embedding to select block of (64 64) pixels, followed by the Knight Tour algorithm to select sub-block of (8 8) pixels, and finally by the random pixels selection. The proposed BIM is distributed over the entire image to maintain high level of security against any kind of attack. One-bit indicator is used to decide if the secret bits are inserted directly or inversely, which enhanced the complexity of embedding process. Color and gray images from the standard dataset (USC-SIPI) including Lena, Peppers, Baboon, and Cameraman are implemented for benchmarking. Self-captured images are used to test the efficacy of the proposed BIM method. The results show good PSNR values of 72.9 and these findings verified the worthiness of the proposed BIM method. High complexities of pixels distribution and replacement of bits will ensure better security and robust imperceptibility compared to the existing scheme in the literature. 2016-08 Thesis NonPeerReviewed application/pdf en http://eprints.utm.my/id/eprint/78479/1/AmmarMohammedaliFadhilPFC2016.pdf Fadhil, Ammar Mohammedali (2016) Bit inverting map method for improved steganography scheme. PhD thesis, Universiti Teknologi Malaysia, Faculty of Computing. http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:106913
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
language English
topic QA75 Electronic computers. Computer science
spellingShingle QA75 Electronic computers. Computer science
Fadhil, Ammar Mohammedali
Bit inverting map method for improved steganography scheme
description Achieving an efficient and accurate steganography scheme for hiding information is the foremost priority in the information and communication technology era. The developed scheme of hiding the secret message must capable of not giving any clue to the adversaries about the hidden data. In this regard, enhancing the security and capacity by maintaining the Peak Signal-to-Noise Ratio (PSNR) of the steganography scheme is the main issue to be addressed. This study proposes an improved Bit Inverting Map (BIM) method and a new scheme for embedding secret message into an image. This newly developed scheme is demonstrated to increase the security and capacity to resolve the existing problems. A binary text image is used to represent the secret message instead of normal text. Three stages implementations are used to select pixels before random embedding to select block of (64 64) pixels, followed by the Knight Tour algorithm to select sub-block of (8 8) pixels, and finally by the random pixels selection. The proposed BIM is distributed over the entire image to maintain high level of security against any kind of attack. One-bit indicator is used to decide if the secret bits are inserted directly or inversely, which enhanced the complexity of embedding process. Color and gray images from the standard dataset (USC-SIPI) including Lena, Peppers, Baboon, and Cameraman are implemented for benchmarking. Self-captured images are used to test the efficacy of the proposed BIM method. The results show good PSNR values of 72.9 and these findings verified the worthiness of the proposed BIM method. High complexities of pixels distribution and replacement of bits will ensure better security and robust imperceptibility compared to the existing scheme in the literature.
format Thesis
author Fadhil, Ammar Mohammedali
author_facet Fadhil, Ammar Mohammedali
author_sort Fadhil, Ammar Mohammedali
title Bit inverting map method for improved steganography scheme
title_short Bit inverting map method for improved steganography scheme
title_full Bit inverting map method for improved steganography scheme
title_fullStr Bit inverting map method for improved steganography scheme
title_full_unstemmed Bit inverting map method for improved steganography scheme
title_sort bit inverting map method for improved steganography scheme
publishDate 2016
url http://eprints.utm.my/id/eprint/78479/1/AmmarMohammedaliFadhilPFC2016.pdf
http://eprints.utm.my/id/eprint/78479/
http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:106913
_version_ 1643657910257975296
score 13.211869

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