驻极体麦克风在线自动视觉检测系统的研究

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1、合肥工业大学硕士学位论文驻极体麦克风在线自动视觉检测系统的研究姓名：韩静申请学位级别：硕士专业：电路与系统指导教师：鲁昌华20050501ResearchontheSystemfortheAutomaticOn-lineVisualInspectionofElectretCondenserMicrophoⅡeAbsn·actAutomatlcVlsualmspectlonlsanlmportantresearchareaininformationprocessingfield．Thedissertationisbased

2、ontheprojectoftheSystemforE1ectretCondenserMicrophonePerformanceTbst，andadoptsautomaticvisualinspectiontechnologytos01Ve恤eproblemofmicroVolUmeaccessory’sangledetectionandp01arrecognition．Intheprocessofmicrophonemanufacture，someinspectionsmustbeexecutedt0insurethe

3、qualityoftheaccessories．BecauseofthesmallvolumeoftheaccessoryandhighprecisionandrapidVelocityrequestoftheproject，themicrophonemaIlufactureiscryingforon·linevisualinspection．Thedissertationresearchedthealgorithmofsoftwareimplementandthemethodofhardwareimplement．Th

4、emainworkofthedissertationaresummarizedasfbllows：Firstly，thestructureoftheinspectionsystemwasinn‘oduced，especiallytheprincipleofimagecollection．A11theworkwerebasedonthesurveyandstudyinsomemachineVisioncompanies．Secondly，intheresearchofthe_inspectionalgorithmwesel

5、ectedtheappropriatemethodofimagepretreatmentalgOrithmwhichincIudedthebinarizationalgorithmandalgorithmsofextractingtheobjectregionandeliminatingimagenoiseaIldthoms．ThethinningalgorithmbasedonmathematicalmorphologyandHoughtransformalgoritlllIlwereusedtodetectthean

6、gleofthe1ine．Themethodoflocatingimagecentroidwasusedtorecognizethecharacteroftheimage．Lastly，thedissertationintroducedthereal—timeimageprocessingsystem．Hou曲transformalgorithmwasrealizedonDsP，andtheresulthadcheckedthehighemciencyandfcasibilityofDSP．Itwasanewmethod

7、ofimprovingefnciencyoftheinspectionsystem．Keywords：MachineVision；mathematicaImorphology；houghtransform；DSP合肥工业大学本论文经答辩委员会全体委员审查，确认符合合肥工业大学硕士学位论文质量要求。答辩委员会签名：(工作单位、职称)揣丝均为。中洲天，芬稳钠秋苏慢巧韶孵旋《-＼涨偏础翩2专勺插图清单图1．1自动视觉检测系统⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯2图2—1麦克风在线生产自动化控制图⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．⋯⋯⋯⋯

8、．6图2．2系统框图⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯7图2—3基于DsP的检测系统框图⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．7图2．4驻极体麦克外部形状⋯⋯．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．10图2．5麦克彩色图像⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一10图2．6麦克黑白图像⋯⋯⋯⋯⋯⋯