Polishing: A technique to reduce variations in cached layer-encoded video

被引：0

作者：

Zink, M ^{[1
]}

Heckmann, O ^{[1
]}

Schmitt, J ^{[1
]}

Mauthe, A ^{[1
]}

Steinmetz, R ^{[1
]}

机构：

[1] Multimedia Commun Lab, D-64283 Darmstadt, Germany

来源：

PROCEEDINGS OF THE 29TH EUROMICRO CONFERENCE: NEW WAVES IN SYSTEM ARCHITECTURE | 2003年

关键词：

video streaming; layer encoded video; caching;

D O I：

暂无

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper 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.

引用

页码：249 / 254

页数：6

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