NDLI: Similarity-Based Watermarking for Sub-Sampling Images with Bacterial Foraging Techniques

Content Provider	IEEE Xplore Digital Library
Author	Hsiang-Cheh Huang Feng-Cheng Chang
Copyright Year	2009
Abstract	Digital watermarking is an effective means for copyright protection or covert communication in the research field of information security. By using watermarking, the watermark bits are hidden into the multimedia content with the designed algorithm. And the watermarked contents, or the watermarked image in this paper, look almost identical to its original counterpart, while it still retains the capability to counteract intentional signal processing by others and keeps the existence of the hidden watermark. We employ the concept of sub-sampling and make use of the frequency coefficient similarities between the sub-images for effectively embedding the watermark. In addition, there must be requirements to keep both the embedded watermark alive and the watermarked contents acceptable. Here we make use of an optimization technique, called bacterial foraging, for obtaining an optimized watermarking algorithm with a properly designed fitness function comprising the possible requirements including the watermarked image quality and the capability for the existence of extracted watermark. Simulation results demonstrate the advantages and effectiveness of the proposed algorithm with the combination of sub-sampling and bacterial foraging.
Starting Page	836
Ending Page	839
File Size	772630
Page Count	4
File Format	PDF
ISBN	9781424447176
DOI	10.1109/IIH-MSP.2009.101
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-12
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Algorithm design and analysis Watermarking sub-sampling Design optimization watermarking bacterial foraging Microorganisms Signal processing algorithms Web pages Information services Internet Discrete cosine transforms Web sites
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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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