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1、AbstractWide-baselinestereomatchingtechnologypossesseshigherprecisionforvisualmeasurement,butalsosmalllimitationsandconstraintsandbroadprospect.Currently,itisahotresearchfieldincomputerstereovisiontechnology.Manyfieldsdependonthematchingpreciseofthere
2、al-timeinformationtoensuretheeffectivenessofthesystem,suchasaerialmapping,resourceanalysis,opticalandradartracking,vehiclecruisesystem,missilesandterraincontourmatching,aswellasmedicaldiagnosis,weatherforecasting,virtualrealityetc.Duetotime-consuminga
3、ndlaborious,thetraditionalmanualmatchingmethodscannotachievethehighaccuracyandnolongermeettheneedsofmoderntechnology.Thispaperfocusesonwide-baselinematchingalgorithms.Fordifferentgraphiccharacteristicsofimages,thepaperproposestwonovelalgorithmsofwide-
4、baselinematching:basedonconsistencyoftopologicalrelationspointmatchingalgorithmandbasedonsurroundinginformationoflinefeaturesandcombinestopologicalconstraintslinematchingalgorithm.Thesetwoalgorithmsareprovidedwithstabilitytoilluminationchanges,geometr
5、icdistortion,aswellasotherfactors.Specificstudiesareasfollows:(1)Basedontopology,proposesawide-baselinestereovisionmatchingalgorithm.Itnotonlysetsupamoreadvancedmodelonmatching,butdiscardsmismatchesbyiterativelycomputingthefitnessofthefeaturematches.T
6、hemodelisthecombinationofdoubletopologicalconfigurationincludestheconsistencyoffirsttopologicalrelationship(CFTR)andtheconsistencyofsecondtopologicalrelationship(CSTR).(2)Thispaperpresentsamethodforwide-baselinestereovisionmatchingoflinesegments.Color
7、histogrambasedmatchingisperformedinordertogetinitialcandidatematches.ThechoiceoftheHSVquantizationspaceiscrucial万方数据tosimplifythecomplexityofthecalculation.Inaddition,presentsanewschemeforestimatingtheepipolargeometryfromsegmentmatches.(3)Theexperimen
8、tsaredoneformatchingalgorithmsincludingthedetectionoffeaturepointsandlinesegments,featuresmatchingandeliminationofmismatches.Intheend,carryontestingperformanceofthealgorithmsanderroranalysisinordertoconfirmthatthetwoalgorithmsproposedinthispap
