NDLI: Digital watermarking on still images using wavelet transform

Content Provider	IEEE Xplore Digital Library
Author	Safabakhsh, R. Zaboli, S. Tabibiazar, A.
Copyright Year	2004
Description	Author affiliation: Dept. of Comput. Eng., Amirkabir Univ. of Technol., Tehran, Iran (Safabakhsh, R.; Zaboli, S.; Tabibiazar, A.)
Abstract	A new approach for non-blind watermarking of still gray level images in the wavelet domain. The method uses the human visual system (HVS) characteristic, and an innovative entropy based approach to create an efficient watermarking scheme is presented in this paper. It decomposes original image in DWT domain in to three hierarchical levels and watermarks it with a logo image, which is scrambled thru a well-known PN-sequence. An entropy-based method is developed for selection of DWT coefficients that provides an adaptive way for determining the number of watermarked coefficients and watermarking factor at each level of DWT decomposition. This approach shows an excellent resistance against almost all the attacks known in the watermarking literature. The detection results of the method reveal better resistance in comparison to the existance methods. With simple modifications, the method can be used for color images and in real time systems.
Sponsorship	IEEE Comput. Soc. Task Force on Information Technology for Business Application
Starting Page	671
Ending Page	675
File Size	1520148
Page Count	5
File Format	PDF
ISBN	0769521088
DOI	10.1109/ITCC.2004.1286543
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-04-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Watermarking Wavelet transforms Discrete wavelet transforms Immune system Wavelet domain Humans Visual system Entropy Color Real time systems
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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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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