红外图像细节增强技术研究进展

：2011-04-15；：2011-05-10：(60877060)；(40405030103)：(1961-)，，，，、、。Email:[e-mail](100081)：。A/D。：：T9391：A：1007-2276(2011)12-2521-07ReviewoninfraredimagedetailenhancementtechniquesJinWeiqi,LiuBin,FanYongjie,WangXia,XuChao,ChenYan,LiuChongliang,XiaRunqiu(KeyLaboratoryofPhotoelectronicImagingTechnologyandSystem,MinistryofEducation,SchoolofOptoelectronics,BeijingInstituteofTechnology,Beijing100081,China)Abstract:Theinfraredimagedetailenhancementtechniquewasregardedasasignificantscientificbranchoftheimageprocessingandimportantpracticalapplications.Itcouldenhancethehumanobservationabilitytothetinyweakobjectsandimprovetheperceptiontotheimportantimagecontentsandkeydetailinformation,aswellassupplyakindofeffectiveimagepre-processingmethodforthefurtherapplicationssuchastargetidentification,targettracking,machinevisionandsoon.Thecurrentwidelyusedalgorithmsandmainstreamkeytechniquesoftheinfraredimagedetailenhancementwerereviewed,andtheiradvantagesanddisadvantageswerepointedoutonthebasisofmany-yearresearch,experienceanddedicationtothisarea.Meanwhiletheadvantagesofthedetailenhancementtechniqueandthehighdynamicrange(HDR)compressionbasedonthehighpreciseA/Dimagedata(14bits)wasdiscussedespecially,andfinallytheperspectivetothedevelopmentandeffectiveapplicationsinthenearfuturewasgiven.Keywords:infraredimage;detailenhancement;contrastenhancement;highdynamicrange4012201112Vol.40No.12InfraredandLaserEngineeringDec.2011400，、。，，。，，，，(、、)、，，。，(DDE)。，DDE，，。，DDE，。1(()、)，，，，(HDR)。14bitsA/D。，，，，。，，14bits8bits。，，8bits。，：(AGC)(、)。1FLIRDDE。，AGC(1(a))(1(b))(1(c))，，DDE(1(d))。1DDEAGCFig.1ResultscontrastofDDEandAGC，，：(1)8bits。(2)14bits8bits。8bits，，，，。14bits，，，，；，，。2522122，、。2.1[1]。、，，。(UM)[2]，：fout(x，y)=f(x，y)+α·HP[f(x，y)](1)fout(x，y)=f(x，y)+α{f(x，y)-LP[f(x，y)]}(2)：fout(x，y)；f(x，y)；HPLP。、Sober，（）、；(1)(2)，、，。、，。[3]，UM；α，。，α，。2UM。，2(a)8bits，2(b)HDR。，UM。。，，。。，，，，，。，（“”）。2UMFig.2ResultsofvisibleandIRimagesbyUMmethod2.2，(HE)，(PDF)，，，。，HE，HE，。HE，[4](AHE),，HE，。AHEHE，，，，，，AHE。3(a)(b)AHE。，，：252340，。3Fig.3Contrastofdifferentenhancementmethodsbasedonimagehistogram(1)(HP)[5-7]PDF，[8-9]，。，，，PDF，，，。3(c)(d)HP，3(e)(f)HP。，HP。HPPDF，PDF，PDF，，，（），。，PDFHP。(2)(PE)[10]HEPDFPDF“”，PDF，“”。，PE，PDF，PDFPDF，PDF。PEHEHP。3(g)(h)PE。：，HEHP，PE。PEHE，，。(3)(CLAHE)[11]PE，CLAHEPDF。PE，CLAHEPDF，PDF，PDF，PDF，、。CLAHE。3(i)(j)CLAHE。(4)(POSHE)[12-14]POSHE，。AHE，POSHE252412，；，。，，。POSHE(CMBFHE)[13]。POSHE[14]，/(3(k))，，2.5~3(3(l))。2.3(1)Retinex[15]，Retinex，，，，：g(x,y)=o(x,y)*r(x,y)(3)：g(x,y)o(x,y)，r(x,y)。Retinex，，。，Retinex。Retinex，。Retinexg，f，(3)。4Retinex(McCann99)。：，。4RetinexFig.4RetinexmethodforIRimageprocessing(2)[16-17]，、、。，，、，。(3)[18-19]50，，，，。，，。，，，。，，。，。5。：(a)(b)(a)IRimage(b)Visibleimage(c)(c)Colorimagefusion5Fig.5Imagefusionbasedonrealsceneperception：252540，，。(4)HP，PDF，，()，。，，PDF，，，，。6(6(a)14bits8bits)。(a)HDR(b)(a)OriginalHDRIRimage(b)GHEresult(c)(c)HSS-GFresult6Fig.6ResultsprocessedbyHEandHSS-GFmethod，[20-23]。，。3，8bits。14bits、16bits[24-25]。，(7)。、。，。714bitsUMFig.7Resultsof14bitsHDRimageprocessedbylinearmappingandUMmethod4、(IRST)，，，。，；A/D。：[1]GonzalezRC,WoodsRE.DigitalImageProcessing[M].3rded.USA:PrenticeHall,2008.[2]PoleselA,RamponiG,MathewsVJ.Imageenhancementviaadaptiveunsharpmasking[J].IEEETransImageProcessing,2009,9(3):505-510.[3]BranchittaF,DianiM,CorsiniG,etal.Newtechniqueforthevisualizationofhighdynamicrangeinfraredimages[J].OptEng,2009,48(9):096401.[4]KokufutaK,MaruyamaT.RealtimeprocessingoflocalcontrastenhancementonFPGA[C]//InternationalConferenceonFieldProgrammableLogicandApplications,2009:288-293.252612[5]Gyu-HeePark,Hwa-HyunCho,Myung-RyulChoi.Acontrastenhancementmethodusingdynamicrangeseparatehistogramequalization[J].IEEETransConsumerElectronics,2008,54(4):1981-1987.[6]Abdullah-Al-WadudM,KabirMH,AkberDewanMA,etal.Adynamichistogramequalizationforimagecontrastenhancement[J],IEEETransConsumerElectronics,2007,53(2):593-600.[7]AviramG,RotmanSR.Evaluatingtheeffectofinfraredimageenhancementonhumantargetdetectionperformanceandimagequalityjudgment[J].OptEng,1999,38(8):1433-1440.[8]LiHuaiqiong,ChenQian,SuiXiubao,etal.Infraredimagereal-timeequalizationalgorithmbasedongray-levelredundancy[J].Laser&Infrared,2006,36(5):409-412.(inChinese),,,.[J].,2006,36(5):409-412.[9]WangChunpin,SunGuozheng,ChenQian.Infraredimagehistogram-dealingtechniquebasedongrayredundancy[J].JournalofNanjingUniversityofScienceandTechnology,2007,31(2):176-179.(inChinese),,.[J].,2007,31(2):176-179.[10]VickersVE.PlateauEqualizationalgorithmforrealtimedisplayofhigh-qualityinfraredimagery[J].OptEng,1996,35(7):1921-1926.[11]SongYanfeng,ShaoXiaopeng,XuJun.Newenhancementalgorithmforinfraredimagebasedondoubleplateaushistogram[J].InfraredandLaserEngineering,2008,37(2):308-311.(inChinese),,.[J].,2008,37(2):308-311.[12]Ching-HisLu,Hong-YangHsu,LeiWang.Anewcontrastenhancementtechniquebyadaptivelyincreasingthevalueofhistogram[C]//IST2009-InternationalWorkshoponImagingSystemsandTechniques,2009:407-411.[13]Joung-YounKim,Lee-SupKim,Seung-HoHwang.Anadvancedcontrastenhancementusingpartiallyoverlappedsub-blockhistogramequalization[J].IEEE