視覺檢測系統中圖像處理技術及其DSP的應用研究.pdf

1、天津大學碩士學位論文視覺檢測系統中圖像處理技術及其DSP的應用研究姓名：吳斌申請學位級別：碩士專業(yè)：精密儀器及機械指導教師：楊學友2000.1.1AbstractAsanefficienttechniqueinmodemindustryComputerVisionInspectionisbroadlyusedinpracticalapplicationsandresearchedforhigherperformancesTosatisf

2、ythehigherandhigherrhythminmodemmanufactures，high—speed—inspectiontechniques，especiallyOn—lineinspection，areexpectedtobemixedintocomputervisioninspectionBecauseimageprocessingspendsalotoftimeinvisioninspection，speedingup

3、thisprocessisthekeyaccesstospeedupthewholeprocess，ManyeffortsaremadeinthisthesistoimprovethespeedofimageprocessinginOn—linevisioninspectionandfruitfulresultsareproducedInthisthesis，highspeedtechniquesaredevelopedtosarisf

4、ytheonlineinspectionin”AutoBodyVisionInspectionSystem”，aprojectfundedbyChineseNinth—FiveYearDevelopmentPlanThroughimprovingimageprocessingspeed，thesetechniquesmayproducemuchhigherinspectionperformancescomparingto”IVECOCa

5、r—BodyVisionInspectionStation”，a863Hi曲TechprojectMainachievementsinthisthesisincludeimprovementsinbelowareaS：lSoftwarebasedImagePre—processingBasedonpracticalon—fieldimagedataandthedemandsforimagequalityoftheVisionInspec

6、tionSystem，severalpreprocessingalgorithmsarecomparedandrelatingexperimentsaredesignedandmadeResultfulalgorithmsarechosen2EfficientpatternrecognitionafterdecreasingimageresolutionbaSedonpyramid—methodToavoidcomplicatedcal

7、culations，atechniqueofdecreasingimageresolutionbaSedonpyramidmethodisappliedinthisthesisItisproventhatthistechniqueCanspeedthepaRemrecognitionprocessuponeorder3HardwarebasedImagePreprocessingThehardwareaswellasspecialins

8、tructionsofDSPareusedintheprocessoftemplatematchingSpecificadjudicativefunctionsarebroughtforwardDSPandcorrespondingmethodsforimageprocessingmeetthedemandsofonlineinspectionKeywords：VisionInspection，On‘lineMeasurement，Pr