NDLI: Mantissa replacement steganography using LWT

Content Provider	IEEE Xplore Digital Library
Author	Sathisha, N. Babu, K.S. Raja, K.B. Venugopal, K.R.
Copyright Year	2015
Description	Author affiliation: Univ. Visvesvaraya Coll. of Eng., Bangalore Univ., Bangalore, India (Venugopal, K.R.) \|\| Dept. of ECE, Univ. Visvesvaraya Coll. of Eng., Bangalore, India (Babu, K.S.; Raja, K.B.) \|\| Dept. of Electron. & Commun. Eng., Gov. S K S J Technol. Inst., Bangalore, India (Sathisha, N.)
Abstract	Steganography is an authenticated technique for maintaining secrecy of embedded data. The novel concept of replacing mantissa part of cover image by the generated mantissa part of payload is proposed for higher capacity and security. The Lifting wavelet Transform (LWT) is applied on both cover image and payload of sizes a * a and 3a * 2a respectively. The mantissa values of Vertical band (CV), Horizontal band (CH) and diagonal band (CD) of cover image are removed to convert into real values. The approximation band of payload is considered and the odd column element values and even column element values are divided by 300 and 30000 respectively to generate only mantissa part of payload. The modified odd and even column vector pairs are added element by element to form one resultant vector. The column vector elements of cover image and resultant column vector elements of payload are added to generate stego object column vector elements corresponding to vertical, horizontal and diagonal elements. The inverse LWT is applied to generate stego image.
Starting Page	1
Ending Page	7
File Size	1026037
Page Count	7
File Format	PDF
e-ISBN	9781467368230
DOI	10.1109/ICSCN.2015.7219862
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-03-26
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image segmentation Steganography Barium Image coding Mantissa Image edge detection Noise Lead LWT Stego image Payload Cryptography
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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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6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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