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Plate-forme ouverte pour contenus et traitements multimédias en ligne

Abstract : The emergency of the Internet as a medium for multimedia content, the manner to access the content including means of enriching it with semantic information constitute large research domains. This thesis situates in this context and introduces an operational implementation of an open and interoperable multimedia content distribution platform. After specifying the platform architecture introducing the support of all media types, effective indexation, content search and on-line visualisation, the first contribution of the thesis consists in several MPEG 7 extensions allowing 3D object description, as well as multimedia service specification. These extensions makes it possible a novel approach of asset management systems fully normalised with MPEG 7 and MPEG 4, the concept being demonstrated by the implementation of the www.MyMultimé platform. The second contribution of the thesis concerns the fundaments and tools to ensure easy access to the multimedia platform. We developed an original solution based on an access API making possible to third party applications to access content and metadata resident into the platform. A second API, makes it possible to integrate multimedia processing algorithm directly in the platform, transforming it into a continuous evolving environment. The Web2.0 paradigm of user generated content is now extended to user generated functionality. Based on the two APIs, we proposed a novel approach for evaluation of multimedia related algorithms. The key aspects are the online processing, evolving content, execution of algorithms in identical conditions, always up-to-date results. The approach is demonstrated for two benchmarks: the first deals with 3D mesh compression algorithms and the second with 3D shape descriptors developed in the FAME2 and POPS projects of the System@tic competitiveness cluster. The advantages of such benchmarking approach were recognized recently by MPEG committee when deciding to adopt www.MyMultimé as the standard evaluation tool for 3D mesh compression.
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Submitted on : Wednesday, December 1, 2010 - 1:04:09 PM
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  • HAL Id : tel-00541852, version 1


Benoît Le Bonhomme. Plate-forme ouverte pour contenus et traitements multimédias en ligne. Autre [cs.OH]. Institut National des Télécommunications, 2009. Français. ⟨NNT : 2009TELE0022⟩. ⟨tel-00541852⟩



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