, Volume 46, Issue 2-3, pp 371-398
Date: 15 Sep 2009

NinSuna: a fully integrated platform for format-independent multimedia content adaptation and delivery using Semantic Web technologies

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The current multimedia landscape is characterized by a significant heterogeneity in terms of coding and delivery formats, usage environments, and user preferences. The main contribution of this paper is a discussion of the design and functioning of a fully integrated platform for multimedia adaptation and delivery, called NinSuna. This platform is able to efficiently deal with the aforementioned heterogeneity in the present-day multimedia ecosystem, thanks to the use of format-agnostic adaptation engines (i.e., engines independent of the underlying coding format) and format-agnostic packaging engines (i.e., engines independent of the underlying delivery format). Moreover, NinSuna also provides a seamless integration between metadata standards and adaptation processes. Both our format-independent adaptation and packaging techniques rely on a model for multimedia bitstreams, describing the structural, semantic, and scalability properties of these multimedia streams. News sequences were used as a test case for our platform, enabling the user to select news fragments matching his/her specific interests and usage environment characteristics.

At the time of writing, Wesley De Neve was also with the Image and Video Systems Lab of the Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea.