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1 4 01 JOURNALOFXI ANJIAOTONG UNIVERSITY Vo.4 No. Jun.01,"# (;$.%<=>.?,710049,;)!":!"#$%&' ()*+,-.,/01!"#$& :;,8< 45",FGH(1H,I=JKLH,M"#$NO 4578WXYT, 0.08,3)()*`a_b5c. #$%: 45;!"#$;; &':TN :A ():053?987X(01)0?0007?05 LIYuua,QICun (ScooofEectronicsandInformationEngineering,Xi anjiaotonguniversity,xi an710049,cina) :A nove metodusingpositiondictionarypairsisproposedtoreconstructaig resoutionfrontafaceimagefrom asingeow resoution version.sincetecontentsand structuresintesamepositionoffaceimagepatcesaresimiarandaremoreikeytobebeter representedbytecombinationoftesamedictionaryatoms,faceimagesusedfortrainingare bockedintooverappedpositionpatces.tenasmapositiondictionarypairistrainedforeac position.abasicigresoutionimagecanberecoveredforeacowresoutioninputbyusing tesepositiondictionarypairs.finay,tevisuaquaityoftereconstructedimageisimproved by using a residua compensation metod. Experimenta resuts sow tat face images reconstructedbyteproposedmetodavebetervisuaefect.acomparisonwitteagoritm ofimagesuperresoutionviarawimagepatcesbasedsparserepresentationsowtattessim ofteproposedmetodis0.08iger;wietetrainingtimeissortenedabout5times. E@A,LMNOPQRSJ CDE@AJTU.VW@ABCDE@A BCDETUXVWYJN, XZ[ \]^_`abcjn. (VW@ABCDEO: J [1?].J [3?]. JQKCDE@A CDE@A,XJ, :011?10?. :(1987-),,!;"#($%),&,',!. (:)* +,-./0((09714);'1..--/0(( ) :01?03?0 3459::tp: н

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5 11 3! 78.5,J:; : [1] FARSIUS,ROBINSON M D,ELAD M,eta.Fast androbust mutiframesuperresoution [J].IEEE TransactiononImageProcessing,004,13(10):137? [] IRANIM,PELEGS.Superresoutionfromimagese quences[c] н10tinternationaconferenceonpatern Recognition.Piscataway,NJ,USA:IEEE,1990:115? 10. [3] GLASNERD,BAGONS,RANIM.Superresoution fromasingeimage [C] нieee1tinternationa Conference on Computer Vision.Piscataway, NJ, USA:IEEE,009:349?35. [4] PICKUPLC.Macineearninginmutiframeimage superresoution[eb/ol].(009?03?1)[011?1? 10].tp: н tions/008/pickup08/. [5] MAIRALJ,ELAD M,SAPIROG.Sparserepresen tationforcoorimagerestoration[j].ieeetransac tiononimageprocessing,007,17(1):53?9. [] HUANGHua,WUNing.Fastfaciaimagesuperres outionviaocaineartransformationsforresources imitedappications[j].ieeetransactiononcircuits andsystemsfor Video Tecnoogy,011,1(10): 133?1377. [7] ROBINSOND, MILANFAR P.Fundamenta per formanceimitsin image registration [J].IEEE TransactiononImageProcessing,004,13(9):1185? [8] YANGJiancao,WRIGHTJ,MA Yi.Imagesuper resoutionassparserepresentationofrawimagepat ces[c] н008computervisionandpaternrecog nition.piscataway,nj,usa:ieee,008:1?8. [9] DONG Weiseng,ZHANGLei,SHIGuangming.Im agedeburingandsuperresoutionbyadaptivesparse domainseectionandadaptivereguarization[j].ieee TransactiononImageProcessing,011,0(7):1838? [10]HUANGJunzou,ZHANG Tang, METACAS D. Learningwitstructuredsparsity[C] нicml 09Pro ceedingsoftet AnnuaInternationaConference onmacinelearning.newyork,usa:acm,009: 417?44. [11]HUANGJunzou,HUANG Xiaoei,METAXASD. Learning wit dynamicgroupsparsity [C] н009 IEEE1tInternationaConferenceonComputerVi sion.piscataway,nj,usa:ieee,009:4?71. [1]LEEH,BATTLE A,RAINA R,eta.Eficient sparsecodingagoritms[j].advancesinneurain formationprocessingsystems,007,19():801?808. [13],"#.:;JVW@AB CDEO[J].;$..,010,44(4):9? 1. MAXiang,QICun.Afaceimagesuperresoution agoritmbasedongobareconstructionandposition patcresiduecompensation[j].journaofxi anjiao tonguniversity,010,44(4):9?1. [14]WANGZou,BOVIKAC,SHEIKH H R,eta.Im agequaityassessment:fromerorvisibiitytostruc turasimiarity[j].ieeetransactiononimagepro cessing,004,13(4):00?1. [+#3],.!"#. 01,4():119?13. $%&,',,.()*+,-./0 1"#.01,4(3):90?93. 3,45,789.:;0# <.01,4(4):10?111. =>?,@A.BCDE#.01,4 ():?10. FG,HIJ,KLM.NOP QRST.011,45(10):30?37. UVW,4X,Y,.NO Z#.011,45(8):7?1. [\],4 ^,@ A. _ ` a b c " #. 011,45(4):104?108.,,UI.P #<.011,45():11?14.,4,4.N, ('.010,44(8):0?4.,@A.OG #.010,44(4):9?1.,.NZ,#. 010,44(4):48?51. ( ) tp: н tp: нzkxb.xjtu.edu.cn

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