1、河南科技大學碩士學位論文點云數(shù)據(jù)拼接算法研究姓名：路銀北申請學位級別：碩士專業(yè)：計算機應(yīng)用技術(shù)指導教師：普杰信20080601摘要IISubject:ResearchofRegistrationAlgithmofPointCloudsDataSpecialty:ComputerApplicationsTechnologyName:LuYinbeiSupervis:Prof.PuJiexinABSTRACT3Dscanningequipm

2、entcanacquirethesurfaceinfmationoftheobjectrapidlythemassthreedimensionalcodinatesdatameasurediscalledpointclouds.Inthedigitalprocessofthreedimensionalobjectsbecauseoftherestrictionsonthescopeofthemeasurementequipmentsth

3、ecomplexityofthedetectedobjectsshape.Oncedetectionofathreedimensionalobjectscanonlygetacertainpartofthesurfacedata.Togetthefullshapeofobjectsweneedtousemultiviewmeasurementfromdifferentanglesthemeasurementresultscanberec

4、onstructedtogetthewholeobjectthroughtheregistration.TheproblemofregistrationofmultiviewisanimptantresearchinReverseEngineeringComputerVisionMedicalImageProcessingotherareas.Inthispaperweanalyzedthetheyof3Dcodinatetransfm

5、ationthepointclouddataregistrationstudiedthebasictheymethodofregistrationofpointcloudsdatadeeplyintroducedsomebasicmathematicalfmulaffeatureextractionindetailintroducedtheregistrationalgithmbasedontheacteristicsICP(Itera

6、tiveClosestPoint)algithmits’improvementalgithmmainly.ThetraditionalICPalgithmrequiredthatthereisaincludedrelationbetweentwopointsetstheinitiallocationcannotbeadislocationslidingsoitcannotsolvetheproblemofmultiviewregistr

7、ationeffectively.AlthoughtherearemanyimprovementalgithmsbyICPbuttheyareonlyapplicabletotheregistrationofpointssetsmodelwhichthecrespondencerelationshipisclear.Indertosolvetheregistrationissuesoftwopointsetswhichthecrespo

8、ndencerelationshipisnotclearwemadeimprovementsinfindingthecrespondingpointsmeasuringsimilaritydegree.weproposedaregistrationalgithmbasedoncurvaturefoundthecrespondingpointsetsaccdingtothecurvaturefeaturepointfoundtheover

9、lapregionquicklyaccuratelyThenweusedHausdffdistanceasameasurecriteriatoidentifyonetoonematchpointtestedcrespondingpointsetsbythemaxtheminmaincurvaturethroughiterationcodinatetransfmationwecompletedtheregistrationofpoints