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1、InternationalJournalofComputerVision43(1),7–27,2001c2001KluwerAcademicPublishers.ManufacturedinTheNetherlands.ContourandTextureAnalysisforImageSegmentationJITENDRAMALIK,SERGEBELONGIE,THOMASLEUNG∗ANDJIANBOSHI†ComputerScienceDivision,UniversityofCaliforniaatBerkel
2、ey,Berkeley,CA94720-1776,USAReceivedDecember28,1999;RevisedFebruary23,2001;AcceptedFebruary23,2001Abstract.Thispaperprovidesanalgorithmforpartitioninggrayscaleimagesintodisjointregionsofcoherentbrightnessandtexture.Naturalimagescontainbothtexturedanduntexturedreg
3、ions,sothecuesofcontourandtexturedifferencesareexploitedsimultaneously.Contoursaretreatedintheinterveningcontourframework,whiletextureisanalyzedusingtextons.Eachofthesecueshasadomainofapplicability,sotofacilitatecuecombinationweintroduceagatingoperatorbasedonthet
4、exturednessoftheneighborhoodatapixel.Havingobtainedalocalmeasureofhowlikelytwonearbypixelsaretobelongtothesameregion,weusethespectralgraphtheoreticframeworkofnormalizedcutstofindpartitionsoftheimageintoregionsofcoherenttextureandbrightness.Experimentalresultsonawi
5、derangeofimagesareshown.Keywords:segmentation,texture,grouping,cueintegration,texton,normalizedcut1.Introductionagepropertiessuchasbrightness,colorandtexture.Contour-basedapproachesusuallystartwithafirstTohumans,animageisnotjustarandomcollectionstageofedgedetectio
6、n,followedbyalinkingprocessofpixels;itisameaningfularrangementofregionsthatseekstoexploitcurvilinearcontinuity.andobjects.Figure1showsavarietyofimages.De-Thesetwoapproachesneednotbethatdifferentfromspitethelargevariationsoftheseimages,humanshaveeachother.Boundari
7、esofregionscanbedefinedtobenoprobleminterpretingthem.Wecanagreeaboutthecontours.Ifoneenforcesclosureinacontour-baseddifferentregionsintheimagesandrecognizethediffer-framework(ElderandZucker,1996;Jacobs,1996)entobjects.Humanvisualgroupingwasstudiedexten-thenonecang
8、etregionsfromacontour-basedap-sivelybytheGestaltpsychologistsintheearlypartofproach.Thedifferenceismoreoneofemphasisandthe20thcentury(Wertheimer,1938).Theyiden
