Definition
MPEG-21 enables the use of multimedia resources across a wide range of networks and devices, and provides multiple adaptation operations such as transcoding, video summarization, replacement, and synthesis.
Content adaptation aims to make content universally accessible (Universal Multimedia Access) depending on terminal capabilities, network, usage and natural environment characteristics. Different networks and terminals imply different quality of service, bit rate, computing and presentation capabilities. MPEG-7, MPEG-21 and a number of adaptation operations aid the development of mechanisms for providing universal multimedia access. While MPEG-7 concentrates on the description of multimedia content and enables quick and efficient searching, identification, processing and filtering of multimedia material, MPEG-21 enables the use of multimedia resources across a wide range of networks and devices [1]. According to their functionality and use for Digital Item Adaptation, the...
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
References
I. Burnett, R. Van de Walle, K. Hill, J. Bormans, and F. Pereira, “MPEG-21: Goals and Achievements,” IEEE Multimedia, Vol. 10, No. 4, October 2003, pp. 60–70.
ISO/IEC, “MPEG-21 Digital Item Adaptation,” N5845, 2003.
S.F. Chang and A. Vetro, “Video Adaptation: Concepts, Technologies, and Open Issues,” Proceedings of the IEEE, Vol. 93, No. 1, January 2005, pp. 148–158.
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2008 Springer-Verlag
About this entry
Cite this entry
(2008). Multimedia Content Adaptation in MPEG-21. In: Furht, B. (eds) Encyclopedia of Multimedia. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-78414-4_130
Download citation
DOI: https://doi.org/10.1007/978-0-387-78414-4_130
Publisher Name: Springer, Boston, MA
Print ISBN: 978-0-387-74724-8
Online ISBN: 978-0-387-78414-4
eBook Packages: Computer ScienceReference Module Computer Science and Engineering