Quality Impact of Scalable Video Coding...

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Title:	Quality Impact of Scalable Video Coding Tunneling for Media-Aware Content Delivery
Subtitle:
Abstract:	Today's omnipresent demand for access to multimedia content via diverse devices places new challenges on efficient content delivery. While the Scalable Video Coding (SVC) extension of Advanced Video Coding (AVC) has proven to be a useful tool for the advanced delivery of video content, it has not yet found major adoption in practice. This paper introduces the concept of SVC tunneling developed in the EU FP7 ALICANTE project, which attempts to provide device-independent access to media resources at reduced network load. For SVC tunneling, video transcoding is performed at the ingress/egress points of the network, which may impact the video quality. We show that the quality impact of these transcoding steps for a transcoding chain from MPEG-2 to SVC and back to MPEG-2 accumulates to a PSNR reduction of up to 2.1 dB for transcoding at fixed target bitrates. We also discuss research challenges and open issues in SVC tunneling.
Keywords:

Publication type:	Article in compilation (Authorship)
Publication date:	07.2011 (Print)
Published by:	Proceedings of the 2011 IEEE International Conference on Multimedia and Expo (ICME 2011) Proceedings of the 2011 IEEE International Conference on Multimedia and Expo (ICME 2011) to publication  ( IEEE; I. Cheng, G. Fernandez, H. Wang )
Title of the series:	ICME
Volume number:	-
First publication:	Yes
Page:	pp. 4 - 4

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Publication date:	07.2011
ISBN:	-
ISSN:	-
Homepage:	-

Authors

M. Grafl No Data available *

C. Timmerer No Data available *

H. Hellwagner No Data available *

Christian Timmerer Christian.Timmerer@aau.at Institut für Informationstechnologie Research activities To visiting card (internal)

Michael Grafl Michael.Grafl@aau.at Research activities To visiting card (internal)

Hermann Hellwagner Hermann.Hellwagner@aau.at Institut für Informationstechnologie Research activities To visiting card (internal)

Assignment

Organisation	Address
Fakultät für Technische Wissenschaften   Institut für Informationstechnologie Universitaetsstr. 65-67 9020 Klagenfurt am Wörthersee Austria    martina.steinbacher@aau.at http://itec.aau.at/ To organisation	Universitaetsstr. 65-67 AT - 9020  Klagenfurt am Wörthersee

Categorisation

Subject areas	1108 - Informatics
Research Cluster	No research Research Cluster selected
Peer reviewed	Yes
Publication focus	Science to Science (Quality indicator: III) Classification raster of the assigned organisational units: Institut für Informationstechnologie
working groups	No working group selected

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Projects:	ALICANTE - Media Ecosystem Deployment Through Ubiquitous Content-Aware Network Environments ALICANTE - Media Ecosystem Deployment Through Ubiquitous Content-Aware Network Environments Univ.-Prof. Dipl.-Ing. Dr. Christian Timmerer Univ.-Prof. Dipl.-Ing. Dr. Hermann Hellwagner 01.03.2010 - 31.12.2014 To project
Publications:	No related publications
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Lectures:	No related lectures

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