镜面反射现场的多基线体视

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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