面向多通道輸出系統(tǒng)的遠(yuǎn)程交互顯示技術(shù).pdf

1、復(fù)旦大學(xué)碩士學(xué)位論文面向多通道輸出系統(tǒng)的遠(yuǎn)程交互顯示技術(shù)姓名：陶俊儀申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)軟件與理論指導(dǎo)教師：趙一鳴20080508AbstractRapiddevelopmentofscienceandtechnologybringstheexplosionofinformationSothatuserrequirementsofdisplaytechnologyarealsogettinghigherandhigheresp

2、eciallyinsuchfieldsasvisualizationoflargescalesciencedata，cybersupportingtelemedicine，virtualrealityCAD，businessandentertainmentDuetothelimitationofdisplaysizeandcomputingresource，singlechannelishardtosatisfytherequireme

3、ntsofmassiveinformationvisualizationAsaresult，multi—channeldisplayapplicationsbecomepopularWiththeincreasingrequirementsofcollaborationandefficientutilization，usersCallnotsatisfywiththelimitedlocalresourcesTheydesirethea

4、bilitytointeractwiththosemultichanneldisplayapplicationsremotelyHowevertraditionalremotedesktopsolutions，suchasⅥ呵C’aredifficulttOdeployonmultichanneldisplayapplicationefficientlywhichbringsnewissuesforremoteinteractionte

5、chnologyRecentlypixelstreambasedapproachesarewildlyusedbymostremotevisualizationinteractivesystemstoshareresultsofhighperformancedisplayapplicationHowever，limitationsremaininexcitingsystemssuchasweaksupportingOilmulti—ch

6、anneldisplayapplications，videoprocessingandtransmissioninefficiencyundermainstreamnetworkenvironment，unacceptablerealtimeperformanceformultiusersituation，lackofdifferentclienttypesandunfriendlyuserinterfaceInthispapertoo

7、vercometheseinefficienciesandlimitations，wedesignanddeveloparealtimeremoteinteractivesystem，whichsupportsmultichanneldisplayapplicationsinmultiusefsituationThehigh—resolutionresultofremoteapplicationissharedbysynchronize

8、dmultichannelvideocapturingandparallelvide心processingThemaintechnicalandoptimizationinoursystemare“(1)Oursystemprovidesashareablevideostreambydesigningonehierarchicaldatastructuretepresentandcompressthepixelstreamsthatge

9、neratedonscrversideTherefore，theserverperformancewillnotshrinkwiththeincreasingofclientnumber(2)CompressedpixelsstreamsarestreamedselectivelytothecorrespondingclientSOthatWecallreducebothnetworkandclientcomputingloadOurs