NDLI: Capacity Bounds and Rate-Distortion-Analysis in Dither Vector QIM Watermarking With JPEG and JPEG2000 Attack

Content Provider	IEEE Xplore Digital Library
Author	Xiang, Y. Salehi, M.
Copyright Year	2006
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Northeastern Univ., Boston, MA (Xiang, Y.; Salehi, M.)
Abstract	Capacity of a digital watermarking scheme is the maximum bit rates that can be embedded in a designated host signal with certain constraints. When host signal and channel attack are both Gaussian, the watermarking capacity is known. Rate-distortion-robustness analysis is investigating the relationship between information rate, embedding distortion and counter-attack robustness. The latter is normally measured by error probability. In this work, we present a dither vector QIM embedding algorithm for image watermarking against JPEG and JPEG2000 attack channels. It is showed that this kind of channel could be approximately viewed as a Gaussian channel. Based on the general Gaussian channel capacity results, we give some bound results for typical images. The theoretical relationship between the rate, distortion, and robustness for this vector QIM scheme has been studied. Simulation results are presented to show the mutual effects of these parameters in the scheme.
Starting Page	766
Ending Page	770
File Size	438135
Page Count	5
File Format	PDF
ISBN	1424403499
DOI	10.1109/CISS.2006.286569
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-03-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Error probability Watermarking Rate distortion theory Rate-Distortion-Robustness Information analysis Information rates Bit rate Capacity VQIM Robustness Distortion measurement Gaussian channels Signal design
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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