雙像素壓縮成像系統(tǒng)研究.pdf

1、天津大學(xué)碩士學(xué)位論文雙像素壓縮成像系統(tǒng)研究姓名：楊揚(yáng)申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：信息與通信工程指導(dǎo)教師：侯正信201112ABSTRACTInthelastfewdecades，Nyquistsamplingtheoremguideadigitalrevolution，however，withtheemergenceofnewapplications，andthecontinuousrequirementsofimprovetheexist

2、ingapplications，weneedtodealwithlargerandmorehighdimensionaldata，buildingequipmentsatisfytheneedsamplingrateoftentooexpensive，evenphysicallyimpossibleInrecentyears，thereemergenceanewCompressedSensingtheorycausedextensive

3、researchandattention，whichcanusefarlowersamplingnumbersthantheNyquistsamplingtheoremrequires，atthesametime，accurateresumethesignalwiththelargerprobabilityThispaperintroducesthetheoryofCompressedSensing，andexpoundsthebasi

4、cprocessofCompressedSensingsignalprocessing，emphaticallyanalyzesthethreekeyaspectsofthetheoryandthemethodstheyuseAndthenfocusesontheapplicationofopticalimagingofCompressedSensing，andanalyzestheimagingtheoryofsinglepixelc

5、amera，andpointsoutthatthissystemexistingmicromirrorcalibration，systemnoise，andcompletely3Dnotrelatedprojectiondesigndefect，toimproveitsdeficiencywepresentsadoublepixelcameraschemeThroughaseriesofstepstobuildtheactualdoub

6、lepixelcompressedimagingsystem，mainlyincluding：componentselection，designsignalacquisitionconversionmodulecircuit，lightadjustExperimentsshowthatthesystemcanachievethedesiredeffectinimagingapplicationThispaperalsohasresear

7、chedontheCompressedSensingmeasurematrixesandreconstructionalgorithmsByanalysisthestructureandpropertiesoftheexistingmeasurematrixes，findouttheonesuitableforcompressedimagingBasedonScrambledblockHadamardensemble，thispaper

8、proposesafast，highlysparsesamplingoperator，andthesimulationexperimentshowsthattheoperatorcanperfectreconstructionsignalmeanwhileneedapproximateoptimalsamplefrequencymeasllrementKeywords：measurematrix；CompressedSensing；Co