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1、AbstractThisprojectisacooperateprojecttodotogetherwithacompany.Thepurposeistodesignareal-timeimageacquisitionanddisplaysystemusedinmilitaryvehiclesforthecompany,workerscanseetheimagefromtheLCDscreeninthecabofthevehicle,thustheycanobserveanddetectthecircumstancesout
2、sideofthemilitaryvehicle.Thissystemisatypicalmachinevisionsystem,whichinvolvesthecamerainterface,imageacquisitionandimageprocessing.Inaccordancewiththerelevantrequirements,thesystemonesideisconnectedwith1394bcamera,theotherhandisconnectedwithaPCviaCameraLinkcable,t
3、hereal-timeacquiredimagecanbedisplayedontheLCDmonitorclear.Weanalysisthewaysofthereal-timeimageacquisitionanddisplay,andultimatelydeterminethetopicwayisbasedon“Camera+PCIEframegrabber+FPGA”.Indesign,wechoosetheprogrammablelogicdeviceFPGAascorecontroller,theSDRAM、SR
4、AMmemoryastheexternalcache,QuartusII12.0isusedastheprogrammingdevelopmentplatform,VerilogHDLhardwaredescriptionlanguageforFPGA,thusthesystemcancontroleachmodule.Inordertoachievethevideochearandcompleting,nosplashscreen,nointerencefringes,andthefunctioninterfacecanb
5、eswitchedcasuallybyQt.Inthehardwaredesignprocess,wedrawcircuitdiagramsbyAltiumDesigner,wechoosechipstomakePCBboard.Thenweassemblethesystem,toadjustthecameraparameters,thesystemdebuggertomeettheprojectexpectations.Sincethemachinevisioncanreplacepeopleinsomedangerous
6、environment,anditcanimproveefficiencyanddegreeofautomation,machinevisionsystemisthefirstchoiceforthearmoredvehiclesinharshenvironment.Intoday’shighlydevelopeddegreeofautomation,machinevisionapplicationsarequiteextensive,thisprojectisagoodvisionproductwhichcanbeappl
7、iedincarsasthereversedevicedisplayingthereal-timeimage,italsocanbeusedinsomemonitoringsituations.Thisprojectcombineswiththeimagesplicingandfusion,wecanachievea360degreereal-timeimage,ithasaveryimportantsignificanceinmilitary.Keywords:1394b,CameraLink,FPGA,machinevi
8、sion,real-timeimageacquisitionanddisplayII万方数据目录第一章绪论.................................................11.1课题研究背景与意义..............................