NDLI: Enhancement of two spatial steganography algorithms by using a chaotic system: Comparative analysis

Content Provider	IEEE Xplore Digital Library
Author	Battikh, D. El Assad, S. Bakhache, B. Deforges, O. Khalil, M.
Copyright Year	2013
Description	Author affiliation: IETR UMR CNRS 6164; Image team -site of Nantes, France (El Assad, S.) \|\| Institut d'Electronique et de Télécommunications de Rennes, IETR UMR CNRS 6164; Image team, INSA/Rennes, France (Battikh, D.) \|\| LASTRE: Laboratoire des Systèmes électroniques, Télécommunications et Réseaux, Tripoli, Lebanon (Bakhache, B.; Khalil, M.) \|\| Lebanese University, Tripoli, Lebanon (Deforges, O.)
Abstract	In this paper we propose a chaos-based enhancement of two spatial steganographic algorithms the AE-LSB and the EA-LSBMR and we study their performances. The first algorithm is an adaptive LSB (Least Significant Bit) steganographic method using pixel value differencing that provides a large embedding capacity and imperceptible stego images. The second method is an edge adaptive scheme which can select the embedding region according to the size of secret message and the difference between two adjacent pixels in the cover image. The two methods suffer from low security against attacks to recover secret data. To overcome this weakness, we propose an enhancement of the message security of these methods. The enhancement consists by using an efficient chaotic system to choose in a pseudo-chaotic manner, the pixels in the cover image where the bits of the secret message will be embedded. In this way, the inserted message becomes secure against message recovery attacks and spread over the whole image in a uniform manner. Experiments show that the security of the algorithms is increased.
Starting Page	20
Ending Page	25
File Size	1135237
Page Count	6
File Format	PDF
ISBN	9781908320209
DOI	10.1109/ICITST.2013.6750155
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-12-09
Publisher Place	United Kingdom
Access Restriction	Subscribed
Rights Holder	Infonomics Society
Subject Keyword	Steganography Chaotic system Adaptive least-significant-bit (LSB) substitution LSB matching revisited (LSBMR)
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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