A reduced yet extensible audio-visual description language

Authors:
Raphaël Troncy;Jean Carrive
Affiliations:
Institut National de l'Audiovisuel, Bry-sur-Marne, France;Institut National de l'Audiovisuel, Bry-sur-Marne, France
Venue:
Proceedings of the 2004 ACM symposium on Document engineering
Year:
2004

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Abstract

Enabling an intelligent access to multimedia data requires a powerful description language. In this paper we demonstrate why the MPEG-7 standard fails to fulfill this task. We introduce then our proposition: an audio-visual specific description language modular reduced but designed to be extensible. This language is centered on the notions of descriptor and structure with a well-defined semantics. A descriptor can be a low-level feature automatically extracted from the signal or a higher semantic concept that will be used to annotate the video documents. The descriptors can be combined into structures according to defined models that provide description patterns.