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1、沈陽航空工業(yè)學院碩士學位論文基于特征點的三維顱面復原技術的研究姓名：王揚揚申請學位級別：碩士專業(yè)：計算機應用技術指導教師：李一波20060201達墮塾室三些蘭墮堡圭堡蘭AbstractThetechnologyofcomputeraided3Dfacialreconstructioniswidelyappliedinthefieldsofcriminalistics，archeologyandSOon．Thecurrentstatusandthedevelopmentofthistechnologyaresummarized，andvariousexistingme
2、thodsareanalyzedandcompared．Aimingattheexistingproblemsinthetechnologyoffaciaireconstruction,weputforwardthisresearchsubjectinordertostudyandimprovethetechnologybasedonlandmarkWhichisusedwidely．Facialreconstructionbusedonlandmarkadoptsthetechnologyofsurfacegeneratingviadiscretepoints．T
3、hislandmark—basedmethod，accordingtothelandmarkofaskullandtheircorrespondingtissuethickness，determinesthelandmarkoffacialskinandreconstructsthefacialsurface．Emphasesanddifficultiesarethereconstructionoffivesenseorgansandthedeterminationofthetissuethicknessofthelandmark，Thedeterminationo
4、ffiveseDseorgansandthedeterminationofadditionallandmarkp王ayanimportantroleindegreeofsimilarityofreproducingfacialfeatures，andthelatteristhekeytechnology．Thispaperpresentsthatthereconstructionoffive9enseorgansCanbetreatedbydividingafaceintodifferentseveralsubareas．Ineachsubarea,accordin
5、gtoitsspecialty,theadditionallandmarkareconformed．Takeexampleforthenosesubarea，onthebasisofBPnetwork，theforecastingtechnologyisgiven。Inthissubarea,therelationshipbetweentheshapeofskullandtheadditionalfaciallandmarkCanbegottenthroughthenetworktraining，andthestationoftheselandmarkforasku
6、llwhichwillbereconstructedcanalsobeconcluded．Consequently,thereproductionofanoseisrealized．Ithasbeenfoundthat，intheeyesubarea，themouthsubarea,andtheothersubareas，theforecastingmethodtothedeterminationoftheadditionalfaeiailandmarkissimiarlyavailable．Inadditional．theexistingfacialreconst
7、ructionmethodsusuallyapplythemeantissuethicknessoflandmarktocalculaterelevantfaciallandmark．Thesedataofthethicknessarestatisticbyexperts，andeachindexcoversawiderangeofage，buttoacertainskull，itsageis沈陽航空工業(yè)學院碩士論文singleandascertainablebyboneagemeasuring．Ifthisskullisreconslructedusingth
