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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