大尺寸測(cè)量的點(diǎn)云自動(dòng)拼合技術(shù)研究.pdf

1、華中科技大學(xué)碩士學(xué)位論文大尺寸測(cè)量的點(diǎn)云自動(dòng)拼合技術(shù)研究姓名：蘇志部申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：材料加工工程指導(dǎo)教師：王從軍20090501IIAbstractThe3Dmeasurementoflargesizeisbecomingthemaindirectionofindustricalmeasurementwiththedevelopmentofmodernindustrialmanufacturingtechnology.Thetr

2、aditionalmeasuringmethodscannotmeettherequirementsofmeasurementsoflargesizewhichmaketheresearchofLargesizeMeasurmentbecomethecurrenthotspot.Withthewayofpositionofbinocularvisiontheptabilityofgratingmeasurementsystemthisp

3、aperfocusonaassembledmeasurementoflargesizebasedonCCDimagesthemainlywkinthetheyofthcmeasurementsystemstheautomaticregistrationofpointdatas.FirstthispaperputsfowardanewLargesizemeasurementbasedonCCDimageswhichismadeupofth

4、epositionsystemofCCDimagesthe3Dscannerofgrating.Theptabilityofgratingmeasurementsystemmakesthemeasureoflargesizeeasyfrommultipositionmultiangle.Therearetheremarkpointsonthegratingscannerwhichhelptolocatethe3Dmeasureingsy

5、stem.TheCCDlocatingsystemcanlocatethegratingscannerwiththetheremarkpointsintimecalculatetherotationmatrixtranslationmatrix.SecondlythispaperdoresearchftheautomaticregistrationofpointsdateswhichisthekeytechnologyofLargesi

6、zemeasurementtechnology.AccdingtotherequirementofhighefficiencyofLargesizeMeasurement.thepaperadvisetheautomaticregistrationofpointsdataswithaappendingreferenceframewhichisfoundedofthemarkpoints.Asthelargerotatingangleof

7、LargesizeMeasurementthepaparchooseThesingularvaluedecompositionofamatrixfthemainalgithm.ofCodinateTransfmationprecisionofwhichishighest.FinallytakingaccountintheconditionsofthelabatythepaperdesignaLargesizemeasurementexp

8、erimentbasedontheCCDimagestovalidatethemeasuermentwayinthepaper.TheresulthasprovedthattheassembledmeasuringsystemcansatisfytherequirementoftheindustrialLargesizemeasurementrealizetheautomaticregistrationofpointsdatas.Key