逆向工程技術(shù)在膝關(guān)節(jié)三維造型的研究.pdf

1、哈爾濱工業(yè)大學碩士學位論文逆向工程技術(shù)在膝關(guān)節(jié)三維造型的研究姓名：金向陽申請學位級別：碩士專業(yè)：機械設(shè)計及理論指導教師：李瑰賢20050601墜竺堡三些查蘭三耋堡：三蘭竺篁蘭AbstractThe3DreconstructionofmedicalimageiSthemainareainmedicaldada3Dvisualization，andisaimportantresearchbranchinsciencedatavisualiz

2、ationtooThe3Dreconstructionofmedicalimageistodisplaythemedicalinformationin3Dstyletoprovidemorecomprehensivemedicalinformationdirectly，andhasmorepracticalvalueinclinicaldiagnosistreatmentandbasicmedicalstudyInthisthesis，

3、theauthorhasstudiedthetheoriesofreverseengineeringandmedicalimage3Dreconstructionandthetechnologiesofkneejoint3DreconstructionbasedonCTimagesserialsDHetokneesiointstructuremultiformityandcomplexity，peoplestilllackeffecti

4、vemeanstogetprecisedataandreconstructthree—dimensionalmodelforcustommadekneeiointprosthesisdesign，Tosolvetheproblem，thispaperhasputforwardanewresearchmethodThispaperresearchestheapplicationofCTimagesprocessingOnthebasici

5、ntroductionofCTdevices，itsimagingtheoryandthefeaturesofCTimages，themethodsofimageprocessingappliedtotheCTimagehavebeenstudiedUtilizingimageprocessingtechnique，CTimagesofkneejointwillbeprocessedtogeneratekneejointfeatures

6、contoursthroughcontoursrecognitionanddigitalsimulationinCTimagesofkneejointThenintermsofMovingLeast—Squaresfittingtheory，kneejointsurfacewillbebuiltedandclosedtopologicallythroughkneejointfeaturescontoursbytheuseofImagew

7、areREsoftwareastorebuilt3DkneejointandgetgeometricparameterexactlyDuringrebuildingofkneeiointmodel，thispaperhassolvedwellsomeproblems：orientationofcontours，splineapproximate，fractalofcurvedsurfaceastoguaranteeaccuracyofm

8、odelThispaperalsoexplainsthemethodsofreverseengineeringanditssurfacefittingItemphasizestheintroductionofMovingLeastSquareswhichcanbeappliedtokneejointsurfacefittingComparedtotraditionalLeastSquares，thecurveandsurfacefitt

9、edbyMLSareaccuraterandsmootherThetheory、applicationandcharacteristicsofthismethodandthedesignprocessofcurveandsurfacefittingusedMLSaregivenThispaperhasobtainedexactlygeometricparameterandmodelofkneejointthroughthestudyof