基于激光網(wǎng)格標(biāo)記的視覺(jué)坐標(biāo)測(cè)量技術(shù)的研究.pdf

1、青島大學(xué)碩士學(xué)位論文基于激光網(wǎng)格標(biāo)記的視覺(jué)坐標(biāo)測(cè)量技術(shù)的研究姓名：尹清波申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)軟件與理論指導(dǎo)教師：方漪20040405AbstractAftersystematicresearchesonthenewestcomputervisioncoordinatemeasuringtechnologyandtheimageacquiringandprocessingtechnologythispaperbroughtfor

2、wardavisioncoordinatemeasuringtechnologybasedontherectangulargridlasermark，andputitintouseinarealvisioncoordinatemeasuringsystemThistechnologyfilleduptheblankofrelatedfieldsinourcountryItovercometheshortcomingsofbeinguns

3、tableandlowefficiencythatothermeasuringmeanshaveThiStechnologyworksasthefollowing：1，AsheetofrectangulargridlasermarkshouldbecastonthesurfaceofthemeasuredobjectTherectangulargridnodeswillbetreatedasmeasurementmarks2Theima

4、gesoftherectangulargridmarkshouldbeprocessedintotheobjectivepaRern3Therectangulargridnodesshouldbeextractedfromtheimages4Therectangulargridnodesineachimagesshouldbematchedonebyone5Throughthethreedimensionalcomputation，th

5、ecoordinatesofeverygridnodesCanbeworkedoutThisvisionmeasuringsystememploysfourCCDcamerasastheimageacquisitionSOurCeThispaperdesignedandrealizedsomeofthealgorithmsmentionedaboveTheresearchproductionCanbedescribedasthefoll

6、owing：1TheproductionoftherectangulargridlasermarkInordertoproducethepropergridlasermarks，thelasermarkproducershouldbedesignedwithproperfocallength，theproperintensityandthepropercombiningmeansAftertheexperimentsthroughand

7、through，thispaperfindaproperlasermarkproduceratlastAndsomeoftheimportantparametersweredescribedexactly2ThecollocationandtheprocessingofthemarkingimagesInordertoextracttherectangulargridmarkfromtheimages，thispaperpresente

8、dproperimagecollectingplansAndintheprocessoftheimagecollection，thereexistssomeinterfereelements，suchasthelubricity，thecolor，thetextureandthereflectionofthemeasuredobject’SsurfaceAndtherealsoexistssomeelectronicinterferei

9、nthecameraitselfThispaperusessomepropermeasurestoeliminatetheinterferes，madaneffectimagecollectingplanWasworkedoutInordertoprocessthecollecteddigitalimagesintothepatternsthatCanbedistinguishedeasilyandquicklythispaperuse

10、dsomeproperimageprocessingmeasuresTheoperationofthesubtractionoftheimageswasusedtoextracttherectangulargridmarksAndsomeofinterferesproducedintheprocessofimagecollectionwaseffectivelysolvedSomeoftheusefulinformationmightb

11、edamagedunavoidable，SOsomeSOcalledimageserialequilibrationandoptimalthresholdselectproblemswaspresentedAtthesametimesomeeriectiveplanswerebroughtforwardtosolvetheproblemsofbunandruptureemergedduringtheprocessofthethinnin