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

Deepayan Bhowmik; Charith Abhayaratne

doi:10.1117/12.816307

27 January 2009 A framework for evaluating wavelet based watermarking for scalable coded digital item adaptation attacks

Deepayan Bhowmik, Charith Abhayaratne

Author Affiliations +

Proceedings Volume 7248, Wavelet Applications in Industrial Processing VI; 72480M (2009) https://doi.org/10.1117/12.816307
Event: IS&T/SPIE Electronic Imaging, 2009, San Jose, California, United States

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.

Citation Download Citation

Deepayan Bhowmik and Charith Abhayaratne "A framework for evaluating wavelet based watermarking for scalable coded digital item adaptation attacks", Proc. SPIE 7248, Wavelet Applications in Industrial Processing VI, 72480M (27 January 2009); https://doi.org/10.1117/12.816307

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