基于特征点的三维颅面复原技术的研究

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1、沈阳航空工业学院硕士学位论文基于特征点的三维颅面复原技术的研究姓名：王扬扬申请学位级别：硕士专业：计算机应用技术指导教师：李一波20060201达堕塾室三些兰堕堡圭堡兰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沈阳航空工业学院硕士论文singleandascertainablebyboneagemeasuring．Ifthisskullisreconslructedusingth