小波聯(lián)合變換相關(guān)器技術(shù)研究.pdf

1、華中科技大學(xué)碩士學(xué)位論文小波聯(lián)合變換相關(guān)器技術(shù)研究姓名：宋洪波申請學(xué)位級別：碩士專業(yè)：物理電子學(xué)指導(dǎo)教師：陳海清2002.5.28華中科技大學(xué)碩士學(xué)位論文AbstractCorrelatingprocessingisthebaseofopticalinformationprocessingandjointtransformcorrelator(JTC)isanimportantarchitectureimplementingcorrel

2、atingoperationComparedwithVanderLugtcorrelator，JTChasmanyclearadvantagesincludingthecapacityofworkingreal—timelyandnotrequiringcriticalfilterpositioningWavelettransformisapowerfultoolforinformationprocessingItprovidesUSa

3、methodofnoiseorcluttersuppressionandawaytOimplementthemultiresolutionimageprocessingNowitiswidelyusedininformationprocessing，datacompressingandfeatureextractionetcTheprojectweresearchedisthewaveletbasedjointtransformcorr

4、elator(WJTC)，whichistheapplicationofwavelettransforminopticalinformationprocessinginordertoimproveperformanceoftheconventionalJTCInthispaper，afteranalyzingtheprincipleofthearchitectureofJTCandwavelettransform，wepresentth

5、eWJTCwith2farchitectureAndinordertOsolvetheproblemssuchaslowlightefficiencyinConventionalJTC，thesubtractioninFourierplanetoJPSispresentedBasedonthese，wedoanexperimentthoughcomputersimulation，discriminatingthebinaryimages

6、composedbycharactersE’and“X”andthe8bitgraylevelimageswithtypesofplanesThesimulationresultsverifythearchitectureandarithmeticweproposedApractical2fWJTCisestablishedusingE—addressedLCD，F(xiàn)ouriertransformlensCCDarrayandPCIt’S

7、anoptical—electronichybridsystemTheexperimentresultsdemonstratethatthissystemiseffectiveforbinaryandmutigraylevelimgesKeywords：JointTransformCorrelator(JTC)，WaveletTransform，PatternDiscrimination，OpticalInformationProces