?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Interactive+free+viewpoint+video+streaming+using+prioritized+network+coding&rft.creator=Toni%2C+L&rft.creator=Thomos%2C+N&rft.creator=Frossard%2C+P&rft.description=In+free+viewpoint+applications%2C+the+images+are+captured+by+an+array+of+cameras+that+acquire+a+scene+of+interest+from+different+perspectives.+Any+intermediate+viewpoint+not+included+in+the+camera+array+can+be+virtually+synthesized+by+the+decoder%2C+at+a+quality+that+depends+on+the+distance+between+the+virtual+view+and+the+camera+views+available+at+decoder.+Hence%2C+it+is+beneficial+for+any+user+to+receive+camera+views+that+are+close+to+each+other+for+synthesis.+This+is+however+not+always+feasible+in+bandwidth-limited+overlay+networks%2C+where+every+node+may+ask+for+different+camera+views.+In+this+work%2C+we+propose+an+optimized+delivery+strategy+for+free+viewpoint+streaming+over+overlay+networks.+We+introduce+the+concept+of+layered+quality-of-experience+(QoE)%2C+which+describes+the+level+of+interactivity+offered+to+clients.+Based+on+these+levels+of+QoE%2C+camera+views+are+organized+into+layered+subsets.+These+subsets+are+then+delivered+to+clients+through+a+prioritized+network+coding+streaming+scheme%2C+which+accommodates+for+the+network+and+clients+heterogeneity+and+effectively+exploit+the+resources+of+the+overlay+network.+Simulation+results+show+that%2C+in+a+scenario+with+limited+bandwidth+or+channel+reliability%2C+the+proposed+method+outperforms+baseline+network+coding+approaches%2C+where+the+different+levels+of+QoE+are+not+taken+into+account+in+the+delivery+strategy+optimization.&rft.subject=Cameras%2C%0D%0ABandwidth%2C%0D%0ANetwork+coding%2C%0D%0APeer-to-peer+computing%2C%0D%0ADecoding%2C%0D%0ANavigation%2C%0D%0APSNR&rft.publisher=IEEE&rft.contributor=Giusto%2C+D&rft.contributor=Magli%2C+E&rft.contributor=Tagliasacchi%2C+M&rft.date=2013-11-11&rft.type=Proceedings+paper&rft.language=eng&rft.source=+++++In%3A+Giusto%2C+D+and+Magli%2C+E+and+Tagliasacchi%2C+M%2C+(eds.)+2013+IEEE+15th+International+Workshop+on+Multimedia+Signal+Processing+(MMSP).++(pp.+pp.+446-451).++IEEE+(2013)+++++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F1533088%2F1%2FToni_Interactive_Free_Viewpoint.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F1533088%2F&rft.rights=open