结构光三维测量系统的建模与标定(3)
时间:2026-01-18
时间:2026-01-18
3D视觉建模,计算机视觉
哈尔滨理工大学工学硕士学位论文
ModelingandCalibrationofStructured—-light- based
3DMeasurementSystem
Abstract
The3Dmeasurememtechnologybased
non—contact3Donstructuredlightisthemostpracticalmeasurementtechnology.It
anisimportantintemporarymeasurement,andisattachedimportanceto,iseffectiveapproachtosolvenon-contact3D
measurementproblems.Traditional
andcallcontactmeasuringwilldamageobjectsurfacenotmeasure
lineobject诚tllsoftsurface,but3Ddigitalmeasurementtechnologyupthebasedonstructuredlightmakeslimitationandcanrealize3D
measurementofanyobjectsurfaceshape.
Animprovedmodelingmethodisproposedforstructured -light--based3D
ameasurement,thinkingintrinsicandextrinsicparametersof
condition
paper3dsaprojector,andonthisnovelsystematicmethodisproposedforandprojectorcalibration.InthisMAXMatlabareappliedtothecomputersimulationstudy.The
onmainresearchcontentsare嬲follows:on1.Accordingtobasicprinciple3Dmeas,urementsystembasedstructured
light,inthequitetypicalinatpresentandapplicationquitewidespreadtrigonometry
mathematicalmodelfoundation,consideredthecameralensdistortionandtheimage
Skewdeformationinfluence,madetheimprovementtothemodel.
2.Inabove
reversioncameramathematicalmodelfoundation,projectorregardingasthecameramodel,obtainsthespatialpointandtheprojectingapparatusDMD
correspondencerelationsusingthephase—shiftmethod,thenimprovedcameraand
projectorcalibrationmethodintwostepsandintheplanecalibrationmethod.
3.Establishesthestructurelight3Dsurveysimulationsystemin3ds
calibratedinthesimulationsystemtoknownintrinsicMAX,and
theandextrinsicparametersofoncamera
objectandprojector.Afterusingthecalibratedsimulationsystemcarried3Dsurveyandtherestructuringexperiments.
4.UsingCCD
completedcameraandDLPprojectorestablishedmeasurementsystem,andtothecameraandtheprojectorcalibration,aftertheusecalibratedsystemII
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