NDLI: Content-based adaptive watermarking algorithm in ridgelet domain

Content Provider	IEEE Xplore Digital Library
Author	Shengqiang Guo Hanqiang Cao Chengzhi Deng
Copyright Year	2008
Description	Author affiliation: Dept. of Electron. & Inf., Huazhong Univ. of Sci. & Technol., Wuhan (Shengqiang Guo; Hanqiang Cao)
Abstract	An adaptive blind watermarking algorithm based on image content and ridgelet transform is proposed. Firstly, the image is divided into three different feature regions: smooth, edge and texture. And then, due to the sparse representation of ridgelet transform for image features, the positions of important vision information where watermark should be embedded can be found out. The watermark is embedded in the visual significant ridgelet coefficients, and the watermarking strength is depended on the weight factor beta which is adaptively changed with different image features. The proposed algorithm obtains good trade-off between robustness and invisibility. Experimental results show that our algorithm is robust against attacks such as JPEG, noise, filtering and random crop.
Starting Page	619
Ending Page	623
File Size	1230818
Page Count	5
File Format	PDF
ISBN	9781424417230
DOI	10.1109/ICALIP.2008.4590155
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-07-07
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wavelet transforms Correlation Image edge detection Signal processing algorithms Watermarking Transforms Robustness
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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