基于國產(chǎn)紅外焦平面陣列的非均勻性校正技術(shù)研究.pdf

1、聲明本學(xué)位論文是我在導(dǎo)師的指導(dǎo)下取得的研究成果，盡我所知，在本學(xué)位論文中，除了加以標(biāo)注和致謝的部分外，不包含其他人已經(jīng)發(fā)表或公布過的研究成果，也不包含我為獲得任何教育機(jī)構(gòu)的學(xué)位或?qū)W歷而使用過的材料。與我一同工作的同事對本學(xué)位論文做出的貢獻(xiàn)均己在論文中作了明確的說明。研究生簽名：唔利履馴l，年／月3日學(xué)位論文使用授權(quán)聲明南京理工大學(xué)有權(quán)保存本學(xué)位論文的電子和紙質(zhì)文檔，可以借閱或上網(wǎng)公布本學(xué)位論文的部分或全部內(nèi)容，可以向有關(guān)部門或機(jī)構(gòu)送交并

2、授權(quán)其保存、借閱或上網(wǎng)公布本學(xué)位論文的部分或全部內(nèi)容。對于保密論文，按保密的有關(guān)規(guī)定和程序處理。研究生簽名：劭兒年／月3日Abstract碩士學(xué)位論文AbstractInfraredfocalplanearray(IRFPA)imagingsystemisoneofthemostrapidlydevelopingIRtechnologyItiswidelyusedindifferentfieldsforitsadvantagesDuet

3、owesterncountries’blocking，ourcountry’SresearchprogressinthisfieldisrelativelyslowNowadays，wehavebeenabletodeveloptheIRFPAdetectorindependentlybutduetothelimitationsofmanufacturingprocess，materiallevelandothertechnicalco

4、nditions，thereisabiggapbetweenOurcountryandforeigncountryintheperformanceofthesameIRFPAproductsEspeciallythenonuniformityofourdetectors’responseisveryseriouslyInthispaperwetakeGWIR0302X1AIRFPAdetectorasaresearchobjectoft

5、hedomesticdetectonStudyingtheperformanceandimagingcharacteristicsofthisdetector，introducingbothcalibrationbasednonuniformitycorrectionalgorithmsandscenebasednonuniformitycorrectionalgorithms，whicharewidelyusedinthermalim

6、agingsystemAndthen，weproposedimprovedalgorithmforbothalgorithmsinthispaperForcalibrationbasednonuniformitycorrection，totheproblemsthattheROMbasedtransmissionsystemofOnChipCalibration(OCC)datawillconsumelogicalresourcesan

7、dthedatanumbersdependentontheoriginaltest，weproposedanewadaptiveOCCtransmissiontechnologybasedonFIASHSDRAMframeworkThistechnologyCannotonlyimprovesthetransmissionrateofOCCdatas，butalsoadaptivelygettheOCCdatasfromtheoptim

8、aloutputofthedetectorTotheproblemofblindvisualeffectintraditionalcalibrationbasednonuniformitycorrection，weproposedanewcalibration—basednonuniformitycorrectionwithimagecompensationThismethoddoesn’tneedperiodicblockcorrec

9、tion，andCanguaranteetheimagequalityforalongtimewithoutdegradationForthescenebasednonuniformitycorrectionalgorithm，thereexistthreeproblems：themodeliscomplex；scenepriorirequirementsarehigh；ghostingTosolvetheseproblems，wepr

10、oposedanewnon—uniformitymodelbasedonfullvariationtheoryanduseSplitBregmanmethodtominimizetheequationiterativelyThismodelCancorrectionnonuniformitybasedonsingleframewiththeadvantagesoflowcomputationalcomplexityandwidescop

11、eofapplicationWealsodesignaGPUplatformbasedonCUDAVS2010，whichmakethealgorithmbeappliedtoinfraredvideostreaminrealtimeKeywords：infraredfocalplanearrayadaptivenon—uniformcorrectionbasedonchip，imagecompensation，nonuniformco