NDLI: Memory management for multimedia Quality of Service in resource constrained embedded systems

Content Provider	IEEE Xplore Digital Library
Author	Holenderski, M. Okwudire, C.G.U. Bril, R.J. Lukkien, J.J.
Copyright Year	2010
Description	Author affiliation: Eindhoven University of Technology, Den Dolech 2, 5600 AZ, The Netherlands (Holenderski, M.; Okwudire, C.G.U.; Bril, R.J.; Lukkien, J.J.)
Abstract	In this paper, we consider multimedia Quality-of-Service (QoS) in resource constrained embedded systems, where scalable applications are structured as directed acyclic graphs of tasks, which communicate via shared buffers. Scalable multimedia applications allow to trade quality for resource usage during run-time. We present two QoS problems: (i) temporal dependencies between subchains of tasks due to a common predecessor, and (ii) mode change latency in applications. These problems are addressed through advanced memory management techniques. For the first problem, it is shown how additional access to the buffer, in particular the support for dropping selected frames, allows to guarantee the Quality of Service of the application during overload conditions, preventing congestion in one buffer to propagate across the whole application. For the latter problem, the approach of in-buffer scaling is applied to reduce the mode change latency in scalable multimedia processing applications, which can adapt their memory requirements during runtime according to a set of predefined modes. The latter approach is validated with simulation results.
Starting Page	1
Ending Page	8
File Size	746355
Page Count	8
File Format	PDF
ISBN	9781424468485
ISSN	19460759
e-ISBN	9781424468508
DOI	10.1109/ETFA.2010.5641322
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-09-13
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Streaming media Memory management Multimedia communication Quality of service Decoding Runtime
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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