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1、PatternRecognitionLetters32(2011)1256–1266ContentslistsavailableatScienceDirectPatternRecognitionLettersjournalhomepage:www.elsevier.com/locate/patrecImageinpaintingwithsalientstructurecompletionandtexturepropagationShutaoLi⇑,MingZhaoCollegeofElectricalandInformationEngineering
2、,HunanUniversity,Changsha410082,ChinaarticleinfoabstractArticlehistory:ImageinpaintingtechniqueusesstructuralandtexturalinformationtorepairorfillmissingregionsofaReceived10May2010picture.Inspiredbyhumanvisualcharacteristics,weintroduceanewimageinpaintingapproachwhichAvailableonl
3、ine22March2011includessalientstructurecompletionandtexturepropagation.Inthesalientstructurecompletionstep,CommunicatedbyG.SannitidiBajaincompletesalientstructuresaredetectedusingwavelettransform,andcompletionorderisdeterminedthroughcolortextureandcurvaturefeaturesaroundtheincom
4、pletesalientstructures.Afterwards,curveKeywords:fittingandextensionareusedtocompletetheincompletesalientstructures.InthetexturepropagationImageinpaintingstep,theproposedapproachfirstsynthesizestextureinformationofcompletedsalientstructures.Then,Texturesynthesisthetextureinformati
5、onispropagatedintotheremainingmissingregions.AnumberofexamplesonrealStructurecompletionCurvefittingandsyntheticimagesdemonstratetheeffectivenessofouralgorithminremovingoccludingobjects.OurCurveextensionresultscomparefavorablytothoseobtainedbyexistinggreedyinpaintingtechniques.Ó2
6、011ElsevierB.V.Allrightsreserved.1.Introductioninformationofisophoteswhendefiningthe‘‘strength’’ofthediffu-sionprocess,thusallowingtheCDDmethodtoproceedoverlargerImageinpainting,alsoknownasimagecompletion,aimstofillareas.DobrosotskayaandBertozzicombinewaveletswithvaria-missingpix
7、elsinunknownregionsofanimageinvisuallyplausibletionalmethodstoeliminateblurryedges(DobrosotskayaandBer-way(Bertalmioetal.,2000).Imageinpaintingisanimportanttopictozzi,2008).ThesePDEbasedimageinpaintingtechniquesworkatinimageprocessing,whichcanbeappliedinmanyareas,suchasthepixel
8、level,andperformwellforsmallgaps.However,forlargercomp
