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Proceedings Paper

Efficient processing of MPEG-21 metadata in the binary domain
Author(s): Christian Timmerer; Thomas Frank; Hermann Hellwagner; Jörg Heuer; Andreas Hutter
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Paper Abstract

XML-based metadata is widely adopted across the different communities and plenty of commercial and open source tools for processing and transforming are available on the market. However, all of these tools have one thing in common: they operate on plain text encoded metadata which may become a burden in constrained and streaming environments, i.e., when metadata needs to be processed together with multimedia content on the fly. In this paper we present an efficient approach for transforming such kind of metadata which are encoded using MPEG's Binary Format for Metadata (BiM) without additional en-/decoding overheads, i.e., within the binary domain. Therefore, we have developed an event-based push parser for BiM encoded metadata which transforms the metadata by a limited set of processing instructions - based on traditional XML transformation techniques - operating on bit patterns instead of cost-intensive string comparisons.

Paper Details

Date Published: 25 October 2005
PDF: 12 pages
Proc. SPIE 6015, Multimedia Systems and Applications VIII, 601505 (25 October 2005); doi: 10.1117/12.630046
Show Author Affiliations
Christian Timmerer, Univ. Klagenfurt (Austria)
Thomas Frank, Univ. Klagenfurt (Austria)
Hermann Hellwagner, Univ. Klagenfurt (Austria)
Jörg Heuer, Siemens AG (Germany)
Andreas Hutter, Siemens AG (Germany)


Published in SPIE Proceedings Vol. 6015:
Multimedia Systems and Applications VIII
Anthony Vetro; Chang Wen Chen; C.-C. J. Kuo; Tong Zhang; Qi Tian; John R. Smith, Editor(s)

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