摘要
Peer-to-peer(P2P)technologyprovidesacost-effectiveandscalablewaytodistributevideodata.However,highheterogeneityoftheP2Pnetwork,whichrisesnotonlyfromheterogeneouslinkcapacitybetweenpeersbutalsofromdynamicvariationofavailablebandwidth,bringsforwardgreatchallengetovideostreaming.Toattackthisproblem,anadaptiveschemebasedonrate-distortionoptimization(RDO)isproposedinthispaper.WhilelowcomplexityRDObasedframedroppingisexploitedtoshapebitrateintoavailablebandwidthinpeers,thestreamedbitstreamisdynamicallyswitchedamongmultipleavailableversionsinanRDOwaybythestreamingserver.SimulationresultsshowthattheproposedschemebasedonRDOachievesgreatgaininoverallperceivedqualityoversimpleheuristicschemes.
出版日期
2008年04月14日(中国Betway体育网页登陆平台首次上网日期,不代表论文的发表时间)