A framework for evaluating wavelet based watermarking for scalable coded digital item adaptation attacks

BHOWMIK, Deepayan and ABHAYARATNE, Charith (2009). A framework for evaluating wavelet based watermarking for scalable coded digital item adaptation attacks. In: TRUCHETET, Frederic and LALIGANT, Olivier, (eds.) Wavelet Applications in Industrial Processing VI. SPIE Proceedings (7248). SPIE, 72480M.

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Abstract

A framework for evaluating wavelet based watermarking schemes against scalable coded visual media content adaptation attacks is presented. The framework, Watermark Evaluation Bench for Content Adaptation Modes (WEBCAM), aims to facilitate controlled evaluation of wavelet based watermarking schemes under MPEG-21 part-7 digital item adaptations (DIA). WEBCAM accommodates all major wavelet based watermarking in single generalised framework by considering a global parameter space, from which the optimum parameters for a specific algorithm may be chosen. WEBCAM considers the traversing of media content along various links and required content adaptations at various nodes of media supply chains. In this paper, the content adaptation is emulated by the JPEG2000 coded bit stream extraction for various spatial resolution and quality levels of the content. The proposed framework is beneficial not only as an evaluation tool but also as design tool for new wavelet based watermark algorithms by picking and mixing of available tools and finding the optimum design parameters.

Item Type:	Book Section
Departments - Does NOT include content added after October 2018:	Faculty of Science, Technology and Arts > Department of Computing
Identification Number:	https://doi.org/10.1117/12.816307
Page Range:	72480M
Depositing User:	Deepayan Bhowmik
Date Deposited:	26 Jan 2018 10:11
Last Modified:	18 Mar 2021 16:30
URI:	https://shura.shu.ac.uk/id/eprint/14857

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