逆向工程中三角網(wǎng)格模型優(yōu)化技術(shù)的研究與實(shí)現(xiàn)

1、蘇州大學(xué)碩士學(xué)位論文逆向工程中三角網(wǎng)格模型優(yōu)化技術(shù)的研究與實(shí)現(xiàn)姓名：章雅娟申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)應(yīng)用指導(dǎo)教師：姜曉峰20091001AbstractResearchandImplementofTriangleMeshesOptimizationTechnologyinReverseEngineeringResearchandImplementofTriangleMeshesOptimizationTechnologyinReve

2、rseEngineeringAbstractTrianglemeshesiSanavailablemethodthatrendersIri—dimensionentitiesdataandhasbeenwidelyusedinreverseengineeringetcbecauseofitssimplicityandflexibilityConstructingprototypetopologymeshesandoptimizingme

3、shesisakeytechnologyofreverseengineeringbecausetheoptimizedtopologystructureisnotonlyrelatedteasonablenessandaccuracyofthetopologymeshes，butalSOrestrictedeffectandefficiencyofcurvedfacefittingBasedonthesummarizationofthe

4、relevantresearchresults，theauthorhasstudiedontheoptimizationtechnologyoftriangularmeshmodelThemainresearchandachievement硒follows：1Thethesispresentsamethodtocreateahashtableforstructuretopologyrelationsamongthevertex，thee

5、dgeandthetrianglesurfaceof鰣dmodelThismethodhasestablishedgeometricfoundationforsubsequentalgorithmofmeshsurfaceoptimizationandreconstructionandalSOhasreducedredundantdataofSTLfiles2Somemethodstecognizeanddeleteabnormaltr

6、iangularfacetsweredesignedTheseerrorsoftriangles(degeneratedtriangles，meaninglessvertextriangles，isolationtrianglesinterleavingtrianglesandvectorreversetriangles)affectthecorrectnessofthetopologyinformationTheauthorhasgi

7、venthemethodswhichrecognizeanddeletetheaboveabnormalfacets，moreovergivenamorereasonableprocessforeliminatingthesefacetsItwasprovedthatthemethodsreducedthegridtopologydistortionphenomenoneffectively3Animprovedsmoothingmet

8、hodtoeliminatingnoiseanddisturbanceinmeshmodelwasdesignedFirstlyadoptingselectivesmoothingonnormalvectoroftriangularfacetsusingtheweightedmeanfilterfactorontriangularmeshesismade，andthenonvertexesoftheflatandfeaturesarea

9、sdifferentweightedfactorsisadoptedrespectivelytoanisotropicallyadjustthepositionThetwoprocesseswereexecutedalternatelyuntilthemeshesmodelsatisfiedthedemandTheresultsshowedthatthealgorithmhassomeadvantageinfeaturesmaintai

10、ned，parameterselectionanddenoiseeffectTheabovealgorithmhasbeensuccessfullyrealizedintheprototypesystem，andtheaccuracyofthealgorithminthisarticlehasbeenconfirmedbyexampleresultofprototypesystemKeywords：ReverseEngineering，