Semantics

Download Multimedia Semantics — The Role of Metadata by Michael Ransburg, Christian Timmerer, Hermann Hellwagner PDF

By Michael Ransburg, Christian Timmerer, Hermann Hellwagner (auth.), Michael Granitzer, Mathias Lux, Marc Spaniol (eds.)

Research within the box of multimedia metadata is principally difficult: plenty of clinical courses and experiences on examine initiatives are released each year and the diversity of attainable purposes is diversified and enormous. This ebook offers an summary on basic concerns in the box of multimedia metadata targeting contextualized, ubiquitous, obtainable and interoperable providers on a better semantic point. The e-book in hand offers a variety of easy articles being a base for multimedia metadata study. moreover it offers a view at the present cutting-edge in multimedia metadata examine. It offers info from flexible purposes domain names (Broadcasting, Interactive television, E-Learning and Social software program) such as:

* Multimedia on the internet 2.0
* Databases for Multimedia (Meta-)Data
* Multimedia details Retrieval & Evaluation
* Multimedia Metadata Standards
* Ontologies for Multimedia

The multimedia metadata group (www.multimedia-metadata.info), wherefrom this publication originated, brings jointly specialists from learn and within the zone of multimedia metadata examine and alertness improvement. The neighborhood bridges the distance among an educational learn and an business scale improvement of leading edge items. through summarizing the paintings of the group this e-book contributes to the aforementioned fields by way of addressing those themes for a vast diversity of readers.

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Additional info for Multimedia Semantics — The Role of Metadata

Example text

Therefore, the descriptors directly obtained from this representation are related to the compressed bitstream and may be the number of vertices per additional layer and mapping of the geometric regions in the bitstream. MPEG-4 also supports the solid modelling [27] which enables the content authors to create complex volumes using an exact geometry. While the previously introduced geometric models describe the surface of an object, solid models describe the volume, thus enabling operations on densities.

When receiving an MPEG-4 stream or when loading an MPEG-4 file, the first information read by the terminal is the Initial Object Descriptor (IOD). IOD includes references to one or two Elementary Stream (ES) Descriptors. If the MPEG-4 stream contains a scene, one of the ES descriptors refers to the Scene Description Stream. If it contains elementary media such as video, audio, still picture, compressed geometry or avatar animation, one of the ES descriptors refers to an Object Descriptor Stream.

Picard R, Sclaroff S (1994) Photobook: Content-based Manipulation of Image Databases, In SPIE Storage and Retrieval for Image and Video Databases II, San Jose 25. , Springer-Verlag (eds), Berlin 26. Ribeiro C, David G, Calistru C (2004) A multimedia database workbench for content and context retrieval, IEEE 6th Workshop on Multimedia Signal Processing, pp 430 – 433 27. Rotgé J-F (1996) Principles of solid geometry design logic, in Proc. CSG Conf, Winchester, pp 233 – 254 28. , Deklerck R, Munteanu A, Cornelis J (2002) The MeshGrid Surface Representation.

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