基于DM642的自动报靶系统设计

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1、西南交通大学硕士学位论文基于DM642的自动报靶系统设计姓名：李昌峻申请学位级别：硕士专业：电气系统控制与信息技术指导教师：戴小文20090301AbstractTheautomatictarget-scoringtechnologyisapracticaltechnologyforfirearmsshootingtraining．Comparedwiththewayofmanualtarget．scoring，ithasadvantagesinaccuracy,rate，safetyandfairness．Theautomatictarg

2、et．scoringsystem’Sapplicationhastheimportantmeaningforimprovingthegunnerytraininglevel．Itisthepaper’Sstartingpointtoresearchanddevelopaautomatictarget—scoringsystem，whichISeasytooperate，low—costandeasytopopularize．Theautomatictarget—scoringsysteminthispaperisaembeddedelect

3、ronicsystembasedonthetechnologyofimageprocessinganddigitalsingnalprocessor．Thiselectronicsystemtakesachipofdigitalsingnalprocessoraskernel，acquiresthetarget’Spicture，identifiesbulletholesbyimageprocessing，andfiguresouttheirscoringsforoutputting．Accordingtothesystemfunction

4、alrequirements，thisdesignchosesTI’SDM642DSPastheimageprocessingcore，andOmniVision’SOV7141imagesensorastheimageacquisitiondevice．Asaresultofhighlyintegratedfunctions，thissystemhasthefollowingsalientfeatures：compactsize，installationofflexible，low．cost．Fromtheviewpointofhardw

5、aredesign，thesystemisdividedintoseveralparts：DM642’Ssmallestsystem，imageacquisitionmodule，theserialoutputmodule，powersuppIymodule．Thisarticledetailedthehardwarecircuitdesign．Inthedesign，thecircuitschematicandthePCBiscompletedusingakindofsoftwarecalledProtelDXEThesystem’SPC

6、Bdesigntakesintoaccountavarietyoftechnologicproblemsinhigh-speedcomplexcircuit．Insoftware，thispaperreferstothegeneralmethodaboutTI’SDSPprogramming，andcompletestheprogramforimageacquisition，SerialPortasynchronouscommunication，system’Sbootloader．Themainpartofsoftsystemforapp

7、licationisrecognisingbullet·holebythewayofimageprocessing，whichlSrealizedbyseveralsteps：thresholddetermination，imagegeometricrectification，imagebinarizationandbullet．holerecognition．bullet．hole，Sscoring．IIlthedevelopmentprocess．thesystemhardwarecircuitisdebuggedwithfunctio

8、naltestingprogram．Thedetailedstepsofbullet．holerecognitionbyimageprocessingistested．Astes