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ID:37382806
大小:420.11 KB
页数:4页
时间:2019-05-22
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1、MultibaselineStereointhePresenceofSpecularReflectionsArticle346SubmittedtoICPR2002Abstracttrinocularconfiguration.Inthispaper,weproposeastereoapproachthattreatsWeaddresstheproblemofaccuratedepthestimationus-detectedspecularimageregionsasocclusions,sincehigh-ingmultibaselinestereo
2、inthepresenceofspecularreflec-lightseffectivelyhidetheunderlyingdiffuse(Lambertian)tions.Specularreflectionscancausetheintensityandcolorreflection.Whilemethodshavebeenpresentedtodealwithofcorrespondingpointstochangedramaticallyaccordingocclusionduetoscenegeometry[10][7],theydonota
3、d-todifferentviewpoints,thusproducingseverematchinger-dressthevisibilityproblemposedbyspecularreflections.rorsforvariousstereoalgorithms.Inthispaper,wepro-Geometricocclusionscanoccurwhenchangingtheview,poseanewmethodtodealwiththisproblembytreatingbutspecularreflectionstypicallyap
4、pearinthereferenceim-specularreflectionsasocclusions.Ourideaistofirstde-ageitself.Moreover,theshapeandpositioningofspeculartectspecularpixelsbycomputingtheuncertaintyofdepthreflectionsinimagesequencescanbeverydifferentfromestimates.Thenwecombinetheuseofflexiblewindowsthatforgeometr
5、icocclusions.Toreducethedegradationandanadaptivelyselectedsubsetofimagestoavoidtheseinarea-basedcorrelationcausedbyspecularhighlights,wespecularareasinallthemultibaselinestereoimages.Evenfirstdetecttheminthestereoimagesusingacorrespon-thoughspecularitiesmayexistinthereferenceima
6、ge,ac-denceuncertaintymeasure,andthendisregardthesespec-curatedepthisneverthelessestimatedforallpixels.Exper-ularpointsinthecomputationofmatchingcosts.Weim-imentsshowthatourconsiderationofspecularreflectionsplicitlyimposeadepthcontinuityconstraintbetweentheleadstoimprovedstereor
7、esults.specularpixelanditsneighboringdiffusepixelsbyform-ingadaptivewindowsthatensureacertainnumberofdif-fusepixelsareincluded.Sincespecularpointsarerejected,theresultingwindowsareadaptiveinsizeandhaveflexi-1.Introductionbleshapes.Theyareusedinashiftablewindowsstrategywhichiseff
8、ectiveindealingwithpixelsnearobjectbound-Stereointhepr
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