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http://dx.doi.org/10.9717/kmms.2011.14.1.044

Layer Selection Algorithms of H.264/SVC Streams for Network Congestion Control  

Kim, Nam-Yun (한성대학교 정보시스템공학과)
Hwang, Ki-Tae (한성대학교 컴퓨터공학과)
Publication Information
Journal of Korea Multimedia Society / v.14, no.1, 2011 , pp. 44-53 More about this Journal
Abstract
H.264/SVC provides scalable video streams which consist of a base layer and one or more enhancement layers. Thus, it can efficiently adapt encoded streams to individual network conditions by dropping some layers of bit streams. However, on a dynamic environment such as the Internet, random packet losses due to network congestion can cause drastic effect on SVC quality. To avoid network congestion, the rate of video streams should be adjusted by carefully selecting a layer of each stream. In this paper, we propose three layer selection algorithms which can avoid network congestion by using the rate-distortion characteristics of streams. Simulation results show that FS(Far-Sighted) algorithm can maximize the overall PSNR value of streams by efficiently using the characteristics of video streams.
Keywords
H.264/SVC Streaming; Congestion Control; Layer Selection; Rate-Distortion Optimization;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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