منابع مشابه
MPEG-4 Systems: Overview
This paper gives an overview of Part 1 of ISO/IEC 14496 (MPEG-4 Systems). It "rst presents the objectives of the MPEG-4 activity. In the MPEG-1 and MPEG-2 standards, `Systemsa referred only to overall architecture, multiplexing, and synchronization. In MPEG-4, in addition to these issues, the Systems part encompasses scene description, interactivity, content description, and programmability. Th...
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The television industPy is currently undergoing changes with historic proportions, posing tremendous challenges arid opportunities. The CustomTV project ACTS AC360 is laddressiag the crucial problem of how, in the near future, viewers will be coping with the prollferation of TV channels as well as navigating through the masses of multimedia information that is likely to be broadcast thunkx to d...
متن کاملMPEG-4 objektbasierte Videocodierung (MPEG-4 Object-Based Video Coding)
Zusammenfassung Neben einer hohen Kompressionseffizienz und einer guten Fehlerrobustheit stellt MPEG-4 Video als einziger internationaler Standard objektbasierte Funktionalitäten für Anwendungen zur Verfügung. In diesem Beitrag werden die Ziele und Techniken der MPEG-4 objektbasierten Kodierung beschrieben. Summary MPEG-4 is the first international standard that supports applications with objec...
متن کاملMPEG-4 Systems: Elementary stream management
We describe the elementary stream management (ESM) facilities provided by MPEG-4 Systems. Within the extensive set of tools de"ned by MPEG-4, the ESM tools play a critical role in joining several building blocks together. ESM provides a dual to the scene description language (BIFS) in that it links the streaming resources of a presentation to the scene. We also describe the synchronization func...
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To ensure secure content delivery, the Motion Picture Experts Group, MPEG, has dedicated significant effort to the DRM (Digital Rights Management) issues. MPEG is now moving from defining only hooks to proprietary systems (e.g., in MPEG-2, MPEG-4 Version 1) to specifying a more encompassing standard in Intellectual Property Management and Protection (IPMP). MPEG feels that this is necessary in ...
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ژورنال
عنوان ژورنال: The Journal of the Institute of Television Engineers of Japan
سال: 1995
ISSN: 0386-6831,1884-9652
DOI: 10.3169/itej1978.49.480