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ID:40385695
大小:2.32 MB
页数:135页
时间:2019-08-01
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1、CranfieldUniversityRenaudSirdeyImageFusionUsingWaveletsSchoolofMechanicalEngineeringMScThesisCranfieldUniversitySchoolofMechanicalEngineeringAppliedMathematicsandComputingGroupMScThesisAcademicYear1997-98RenaudSirdeyImageFusionUsingWaveletsSupervisor:D.A.FishSeptember1998Thisthe
2、sisissubmittedinpartialfulfilmentoftherequirementsforthedegreeofMasterofScienceImagefusionusingwavelets1997/98AbstractThisthesisdealswiththeproblemofimagefusion,withapplicationtonightvi-sionsystemsforthecarindustry.Roughlyspeaking,animagefusionprocedureintendstoproduceasingleim
3、agefromasetofimageshavingdifferentcharac-teristicsandprovidingcomplementaryinformation.Becauseoftheapplication,thisworkmainlyfocusesonmultisensorimagefusion,andmostoftheexperi-mentalresultsareprovidedonnearandfarinfrareddata.Themainpurposeofthisthesisistoexploretherelevancyofus
4、ingwavelet-basedalgorithmsforperforminganimagefusiontask.Inthefirstchapter,wedealwiththeregistra-tionproblem,whichis,mostofthetime,arequiredpreprocessingtask.Inthesecondchapter,webrieflyintroducethewavelettheory.Thethirdandfourthchaptersarethendevotedtoimagefusion:thethirdchapte
5、rdealswiththeuseoforthogonalwaveletdecompositionsforperformingthefusiontaskandpresentssomeexperimentalresults,whilethefourthonestudies,onatheoreticalpointofview,thefeasibilityofafeature-basedimagefusionprocedureusingthewaveletmaximarepresentation.1RenaudSirdeyCettepagen’estplu
6、sblanchepuisquecetexteyfigure!“Icanrememberwhentherewasn’tanautomobileintheworldwithbrainsenoughtofinditsownwayhome.Ichauffeureddeadlumpsofmachinesthatneededaman’shandattheircontroleveryminutes.Everyyearmachineslikethatusedtokilltensofthousandsofpeople.Theautomaticsfixedthat.Aposi
7、tronicbraincanreactmuchfasterthanahumanone,ofcourse,anditpaidpeopletokeephandsoffthecontrols.Yougotin,punchedyourdestinationandletitgoitsownway.”IsaacAsimov[1].1997/98RenaudSirdey4Imagefusionusingwavelets1997/98ContentsAcknowledgements9Introduction111Imageregistrationinpresence
8、ofnon-lineardistortion131.1Asimple(distortion-free)cameramode
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