Polishing: A Technique to Reduce Variations in Cached Layer-Encoded Video

Zink, Michael and Heckmann, Oliver and Schmitt, Jens and Mauthe, Andreas and Steinmetz, Ralf (2003) Polishing: A Technique to Reduce Variations in Cached Layer-Encoded Video. In: EUROMICRO '03: Proceedings of the 29th Conference on EUROMICRO. IEEE Computer Society, Washington, DC, USA, pp. 249-254. ISBN 0-7695-1996-2

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Abstract

We introduce a technique called polishing to reduce variations in cached layer-encoded video by identifying those segments which can be removed without diminishing the perceptual quality. In fact, polishing even allows to increase the perceptual quality of a layer-encoded video. This can be used for perceptual quality improved playout from a cache towards a client as well as for perceptual quality aware cache replacement decisions. We devise an optimal scheme to polish layer-encoded videos but show that a simple heuristic achieves similar performance in simulations. By means of simulations we furthermore show how polishing can improve the quality of the cached content.

Item Type: Contribution in Book/Report/Proceedings
Uncontrolled Keywords: /dk/atira/pure/researchoutput/libraryofcongress/qa75
Subjects:
Departments: Faculty of Science and Technology > School of Computing & Communications
ID Code: 57237
Deposited By: ep_importer_pure
Deposited On: 02 Oct 2012 08:53
Refereed?: Yes
Published?: Published
Last Modified: 01 Jan 2020 05:35
URI: https://eprints.lancs.ac.uk/id/eprint/57237

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