30414.三維激光掃描數(shù)據(jù)的空間配準(zhǔn)研究

1、南京師范大學(xué)碩士學(xué)位論文三維激光掃描數(shù)據(jù)的空間配準(zhǔn)研究姓名：張凱申請學(xué)位級別：碩士專業(yè)：地圖學(xué)與地理信息系統(tǒng)指導(dǎo)教師：盛業(yè)華史中超20080501嘉豪彝蕊大學(xué)硬圭學(xué)瘟論文臻要AbstractConstructionofvirtualgeographicalenvironmentdependsonmultipletechnologies，ofwhichthedevelopmentofdataacquiringtechnologyprovi

2、desaplatformofthedatasuppoftAmongtheexistingdataacquiringtechnologies3DlaserscanningisSOcompetenttotherealworldsdigitizationthatitmakesothertechnologiesintheshade。Inorderteconstruct3Dmodelofobject’Ssurface，thefirststepis

3、toscanitinalldirectionsby3一DlaserscannerHoweveritsimpossibletoobtainallthepointcloudsofthecomplexobjectinonetimeduetotherestrictionsofobservingenvironmentinstrumentsandtheobject’SshapeTherefore，weshouldfirstlyscantheobje

4、ctinalldirectionsbylaserscannerandthenmatchthemultiviewportsdataandatlastintegratealldatainasamecoordinatesystemThusthemodelofobjectearlbeobtainedRegistrationforpointcloudsisSOimportantin3一Dobjectmodelingthatitisthedirec

5、tlyinfluencingfactortothefinalsynthesisresultandmodelprecision，AftersummarizingthedomesticandforeignscholarresearchresuIts，thispaperfocusesontheregistrationof3一Dscanningdatawithcontributionsasfollows：1。Analysisofspacereg

6、istrationfor3DlaserscanningdataConsideringmagnanimousdatalarge—scopeandgreatnumberofSCanSinscanningofgeographicalscene，themethodofspaceregistrationfor3DlaserscanningdataisputforwardAnditisverifiedbYexamplesthatthreestepo

7、fsequencematchingoverallmatchinganddataintegrationisfeasible，whichcanmeettherequirementsofspaceregistrationingeographicalSCene2。SequencematchingToachievethecoordinatesystem“sunificationbetweentwo弦i嫩cloudsthe婦籮liesincalcu

8、latingseventransformationparameters，whichrequirenotlessthanthreehomonymouspointsTheaccurateselectingofhomonymouspointshastwosituations：whenlabelsexistinthescene，thelabelscentralcoordinateisobtainedaSthehomonymouspoints；a

9、ndwhentherearenolabelsinthesc宅ne，allpointsarefirstlydisplayedinperspectiveprojection’SwayintheOpenGLenvironmentandthenthehomonymouspointsareselectedbymanmachineinteractionFinallybasedOilthehomonymouspointsthispaperhastak

10、entheindirectadjustmentwithconditionsmethodtesolvethemodelandtheanalysisonerrorsiscarriedoutTheresultsshowthatthetwoselectingmethodbothmeettherequirementsoftheaccuracyofdatamodcling3OverallmatchinganddataintegrationOvera