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《虛擬手術(shù)系統(tǒng)中模擬手術(shù)場(chǎng)景的渲染和平臺(tái)的構(gòu)建》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫(kù)。
1、上海交通大學(xué)碩士學(xué)位論文虛擬手術(shù)系統(tǒng)中模擬手術(shù)場(chǎng)景的渲染和平臺(tái)的構(gòu)建姓名:鄭廣超申請(qǐng)學(xué)位級(jí)別:碩士專(zhuān)業(yè):計(jì)算機(jī)軟件與理論指導(dǎo)教師:顧力栩20081201虛擬手術(shù)系統(tǒng)中模擬手術(shù)場(chǎng)景的渲染和平臺(tái)的構(gòu)建4.對(duì)整個(gè)手術(shù)系統(tǒng)的框架進(jìn)行了模塊化的重建,運(yùn)用了設(shè)計(jì)模式的知識(shí),對(duì)模塊間的交互等進(jìn)行低耦合設(shè)計(jì),大大的提高系統(tǒng)的可擴(kuò)展性和可維護(hù)性。5.把用OpenGL實(shí)現(xiàn)的血流渲染子模塊整合到虛擬手術(shù)訓(xùn)練系統(tǒng)平臺(tái)中。創(chuàng)新的設(shè)計(jì)出使用VTK的多邊形源數(shù)據(jù)模擬OpenGL原語(yǔ)的整合方法。關(guān)鍵字:虛擬現(xiàn)實(shí),流體力學(xué),流體渲染,粒子系統(tǒng),系統(tǒng)模塊化II虛擬手術(shù)系統(tǒng)中模擬手術(shù)場(chǎng)景的渲染和平臺(tái)的構(gòu)建
2、SIMULATIONRENDERINGOFSURGICALSCENEANDPLATFORMCONSTRUCTIONINVIRTUALSURGERYSYSTEMABSTRACTthEvensincethelate20century,thetechniqueofmicroinvasivesurgery(MIS),representedbyendoscopy,hasbeendevelopingveryfast.Comparedwiththetraditionalsurgery,MIShasmanyadvantagessuchaslimitedinjury,fastrecov
3、ery,littlecomplication,shortanesthesiatime.Asaresult,MIShasbeenappliedextensively.However,doctorscanonlyseeoperationareathroughendoscope,whichhasgreatlylimiteddoctors’sightrange.SothischaracteristicofMIShasbroughtsignificantdifficultytosurgeons,wholargelydependonexperiencetoperformsuchs
4、urgery.Thisfacthasrenderedtheimportanceofpre-surgerytraining.ThepurposeofthevirtualsurgerysystempresentedbythisthesisistoassistinprovidingMIStrainingenvironmentfordoctorsbytheaimofcomputervirtualrealitytechnology,sothatitwilltakelesstimeandcostontrainingbeforedoctorscanactuallyperformth
5、esurgery.ThemainpurposeofthisthesisistoresearchhowtorenderarealisticsurgicalsceneforMISandbuildadecoupledstructureforvirtualsurgerysystemplatform.FirsthalfofthisthesishasfocusedonnumericalmethodofNavier-Stokesequationsusingfluiddynamicstheoryinordertosimulateinternalbleedingwhichwillobs
6、curetheviewofendoscope.Doctorshavetobetrainedhowtodealwiththisemergencyduringsurgery.Sobleedingsimulationisimportantthistrainingsystem.Therestofthethesistellsthemethodsofsimulatingthefloatersintissuefluid,texturemappingofsurgicalscenebackgroundandmodelingofsurgicalinstrument.Allthesesim
7、ulationsmakethesystemmorerealistic.Thelastpartexplainsthestructureandmodulesofthewholedecoupledsystem,givessomeexperimentalresultofourmodulesanddescribeshowtointegratebleedingrenderingmoduleintoIII虛擬手術(shù)系統(tǒng)中模擬手術(shù)場(chǎng)景的渲染和平臺(tái)的構(gòu)建theexistingsystem.Themainachievementandinnovationislistedas