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Proceedings Paper

Taxonomy of XML-based metadata in a real-time digiTV deployment environment: digital broadcast item taxonomy
Author(s): Artur R. Lugmayr; Seppo Kalli
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Paper Abstract

XML based metadata schemes and Interactive Digital Television (digiTV) are two new paradigms in the world of multimedia. Both paradigms shall be converged and provide an integrated solution for several participants in a digital, interactive television broadcast. The local digiTV equipment and software requirements for a metadata based service provision move more to an integrated multimedia experience. To be able to present a heterogeneous solution to the participants, certain preliminary assignments and structures have to be introduced. One integral requirement is the conceptualization of a XML based real-time metadata architecture in the world of digiTV to be able to apply advanced interactive narrative patterns (e.g. parallel stories), content descriptions (based on MPEG-7), and the description of items that are exchanged between users and the broadcast- and interaction service provider (e.g. MPEG-21). Within the scope of this research work we focus on the appliance of basic metadata concepts, real-time constrains, description schemes design for interactive broadcasts, cover conceptual design issues, metadata life-cycle, and synchronization mechanisms. We consider Digital Video Broadcasts (DVB) compliant design as entire requirement and show how metadata can be useful applied in accordance with this standard

Paper Details

Date Published: 14 April 2003
PDF: 12 pages
Proc. SPIE 5012, Real-Time Imaging VII, (14 April 2003); doi: 10.1117/12.477502
Show Author Affiliations
Artur R. Lugmayr, Tampere Univ. of Technology (Finland)
Seppo Kalli, Tampere Univ. of Technology (Finland)

Published in SPIE Proceedings Vol. 5012:
Real-Time Imaging VII
Nasser Kehtarnavaz; Phillip A. Laplante, Editor(s)

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