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1、华北电力大学硕士学位论文AbstractStereoimagehasgraduallybecomeahotspotofresearch,itsapplicationprospectisverywide,canbeusedfor3DTV,freeviewpointTV(FreeviewpointTV),3Dcamera,3Dfilm,3Dhometheater,computergames,computergraphics,motion,distanceeducation,medical,military,industrial,commerci
2、al,virtualviewsynthesisetc.Theseareasneednotonlyhighqualityimagesignal,theadditionalinformationrequestedimageisalsoveryhigh,suchasthedepthinformationoftheobjectintheimage,stereoimageintheseareascanplayamoreimportantrole.Inordertoaccuratelyidentifybrokenstocks,cracksandothe
3、rsurfacedamageinpowerlineinspectionimages,onthebasisofcollecting,analyzingandtestingalargenumberoftransmissionlineinspectionimages,thesegmentationtechnologyofstereoimageinvehicleinspectionarestudied.Summarizedasfollows:Anewsetofdifferencemeasurementsystemiscreativelyputfor
4、wardinthispaper.Lotsofresearchesfoundthatthesimilarityanddifferencemeasurementisnotcompletelysymmetric;differencemeasurementpaysmoreattentiontodetails.Anewdifferencemeasurementmethodbasedonthemembershipdegreeisproposedinthispaper.Firsttheconceptofdifferenceisgiven,thecalcu
5、lationformulawasgiven.Thentheweightedformulaofdifferencemeasurementispushed,andtherelevantpropertiesisanalysed;finallyanexampleisusedtoprovethedifferencewithotherexistingmethodsandthanadvantage.Adisparityestimationalgorithmbasedondifferencemeasurementandresolutionispropose
6、dinthispaper.Thealgorithmtakesthedifferencemeasureproposedinthispaperasacriterionofarea-basedstereomatchingalgorithm.Inordertoavoidmismatchescausedbysingleblockmatching,themultiblockmatchingmethodisdesignedbasedonanalyzingitsadvantagecomparedwiththesingleblockmatching.Anad
7、aptivewindowmatchingmethodbasedonCannyedgedetectionisgiventoimprovethematchingaccuracyofimageinlowtextureanddepthdiscontinuityareas.Finallytherelationshipbetweenresolutionanddisparityvalueoftheimageisresearched,andthenamethodusingresolutionforinterpolationoferrorpointsispu
8、tforwardforthefirsttime.Alargenumberoftestsusingthestandardimage,theoreticalanalysisisdon