基于雙鏡面成像的單攝像機標(biāo)定方法研究.pdf

1、華中科技大學(xué)碩士學(xué)位論文基于雙鏡面成像的單攝像機標(biāo)定方法研究姓名：呂文松申請學(xué)位級別：碩士專業(yè)：計算機應(yīng)用技術(shù)指導(dǎo)教師：金良海20110117華中科技大學(xué)碩士學(xué)位論文IIAbstractCameracalibrationistheprocesswhichcalculatescameracalibrationparametersusingobject’stwodimensionalimageinfmationtherealthreedim

2、ensionalinfmation.Gettingprecisecameracalibrationmatrixesisthefirststeptoachievethebinocularvisionsystem.Thecameracalibrationparameterscanbeusedtorestethethreedimensionalcodinatesofthetargetobjectindertoachieveaccuratepo

3、sitioningofthetargetobjectitiswidelyusedinpractice.Thedualmirrwithsinglecameracalibrationmethodisanewcalibrationmethoditusestwomirrsacameratosimulatetwocamerasthroughthemirrreflection.Twomirrsarefixedsidebysidewhenthepos

4、itionsofthemirrsthecameramaintaincertainrelationshipwecangettwoimagesofthetargetobjectinonepicturetosimulatetheeffectoftwocameras.Softwaresystemcanbedividedintotwopartscalibrationmodelioncnerdetection.Inthepartofcalibrat

5、ionmodelionitproposesthemodelwhichonlyconsiderthefirstderdisttioncoefficientbasedonthelinearparametermodel.InthepartofcnerdetectionitdetectsthepicturewithHoughLineDetectionMethodindertofindtheboundarylineequationfinallym

6、aketheintersectionoftheboundarylinesasthecnercodinates.Thengetcameracalibrationparametersmatrixdisttionparametersmatrixafterthecnerdetectionwithiterativemethod.Finallyreconstructionofthetargetobjectwithbackprojectionalgi

7、thmtoverifythecalibrationparameters.Thiscalibrationmethodcanreducethecostofthevisualsystemeffectivelymakethevisualsystembemewidelyused.Theresultsshowthatthecurrentsystemundertheexperimentalconditionstheparametermatrixeso

8、btainedbytheuseofdoublemirrcameracalibrationsystemcanaccuratelyrestethethreedimensionalcodinatesofthetargetobject.Theactualerrcontrolsbelow0.3cmwhichcanbettermeettheneedsofbinocularvisionsystem.Keywds:cameracalibrationac