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基于Contourlet变换的多传感器图像融合 Title:Multi-SensorImageFusionbasedonContourletTransform Abstract: Theadvancementofsensortechnologyhasledtotheavailabilityofmultiplesensorscapturingimagesfromdifferentmodalities.However,integratingtheseimagestoobtainacomprehensiveandinformativerepresentationremainsachallengingtask.Imagefusiontechniquesaimtocombinethecomplementaryinformationfrommultiplesensorstoenhancethequalityandefficiencyofimageanalysisandinterpretation.Inthispaper,weproposeanovelapproachformulti-sensorimagefusionusingtheContourlettransform.TheContourlettransformhasshownpromiseinhandlingimageswithcomplexedgesandtextures,makingitanidealcandidateformulti-sensorimagefusion. Keywords:Multi-sensorimagefusion,Contourlettransform,edgepreservation,textureenhancement 1.Introduction Theintegrationofimagesfrommultiplesensorshasgainedsignificantattentionandresearchinterestinrecentyears.Thecombinationofdifferentsensormodalitiesoftenresultsinmorecomprehensiveandaccurateinformation,improvingtheperformanceofvariousapplicationssuchassurveillance,medicalimaging,andremotesensing.However,theheterogeneousnatureofimagesfromdifferentsensorsposeschallengesintermsofalignment,noisereduction,andinformationpreservation.Imagefusiontechniquesprovidesolutionstothesechallengesbycombiningthestrengthsofdifferentsensors,resultinginafusedimagethatpreservescrucialinformationfrommultiplesensors. 2.RelatedWork Variousimagefusiontechniqueshavebeenproposedintheliterature,includingthepopularwavelettransform-basedfusionmethods.Whilewavelet-basedtechniquesdemonstrategoodperformanceinpreservinglocalinformation,theyarelimitedinrepresentingimageswithsharpedgesandintricatetextures.Therefore,moreadvancedandadaptivetransformationmethodsarerequiredforeffectivemulti-sensorimagefusion. 3.ContourletTransform TheContourlettransformrepresentsanimprovementoverthewavelettransformbyincorporatingbothspatialandfrequencylocalizationproperties.Iteffectivelycapturestheenergyalongedgesandpreservesdetailedtextures,makingitsuitableforimages