立體視覺在準(zhǔn)雙曲面齒輪接觸區(qū)檢測中的應(yīng)用

1、大連理工大學(xué)碩士學(xué)位論文立體視覺在準(zhǔn)雙曲面齒輪接觸區(qū)檢測中的應(yīng)用姓名：魏鋒申請學(xué)位級別：碩士專業(yè)：機(jī)械設(shè)計(jì)及理論指導(dǎo)教師：孫偉20071201立體視覺在準(zhǔn)雙曲面齒輪接觸區(qū)檢測中的應(yīng)用ApplicationofContactZoneMeasurementforHypoidGearBasedonStereoVisionAbstractItstillremainsunchangedtodaythatthetraditionalapproach

2、thatdetectionofthecontactzoneofhypoidgearisdonethroughbinocularbyexperiencedengineersIngeneral，theengineerobservesthelocationsizeandshapeofcontactzonebybinocularHowever，theapproachwilltakeengineersmuchtimeAsaresuItprecis

3、iondecreasesbecauseofhum鋤factorsThereforeitisurgentlyneededforengineerstoseekarealtimemeasurementapproachInthisthesisthemeasurementapproachbasedOilstereovisionismainlydealtwithAccordingtothisapproachtwincanlcrasacquire2D

4、digitalimageofcontactZOneComputerisusedtoanalyzeandprocess2DdigitalimageofcontactZoneteconstruct3Dinformationofitandfmallyrealizedigitalanalysis111ekeyiSSIICSsuch舔camcTacalibration，featurepointsobtainingandmatching，image

5、processingand3Dinformationcalculation，arcsystemicallystudiedinthethesisAncworandmoreflexiblemethodwhichgoesbctwc2flthetraditionalcalibrationandselfcalibrationbased011thecameralinearmodelwaspresentedbyZhangZhengyoucalibra

6、te3DmeaSurementsystemArefiningstrategyisadoptedincomet“detectionHa／Ti$operatorisusedtoestimatetheroughlocationandfmallyquadraticsurfacefittingisusedtoacquirethepreciselocationTheadvancedimagematchingteeimiquebasedonSIFT(

7、ScaleInvariantFeatureTransform)isusedtoextractandmatchfeaturepointFinallyalltechnologieswhicharcintroducedinthisthesisa糟employedcomprehensivelyteconstruct3Dinformation，Inaddition，anexperimentalplatformbasedonbinocularste

8、reovisionisestablishedandasetofmeasuringprogramisdevelopedundertheMATLABarchitectureAlltheexperirnentsincludingcameracalibrationand3DmeaSurementsofcontactspotonthesystemshowthatthedesigned3DmeaSurementsystemsucceedsinthe

9、3DinformationreconstructionofcontourcuwesoncontactspotIntheresearchthestereovisiontechnologyhasbeenappliedtOthegearmeasurementWithitsfulladvantages，thismeas㈣enttechnique，withhighmeaSurementprecision，willbeexpectedtoadvan