基于ARM的远程视频监控节点的设计

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1、武汉理工大学硕士学位论文基于ARM的远程视频监控节点的设计姓名：蒋鑫申请学位级别：硕士专业：控制科学与工程指导教师：苏义鑫20100501武汉理工大学硕士学位论文ABSTRACTThe21stcenturyisainformationcentury，thevideoinformationisverypopularforitsdirect，viewing,convenientandrichinformationcontent．Withthedevelopingofscienceandtechnology，thevideosurveillancesystemhasbeenwi

2、delyusedintheindustrialproduction，nationalsecurityanddailylife．Thevideomonitoringtechnologyfusesmanytechnologiessuchascomputer,multimediacommunications，networkandSOon，whichbecomesoneofthehotspotsofpeople’Sstudiesandhasthebroadapplicationprospectandtheresearchvalue．Themainpurposeofthisthes

3、isistodesignadi酉talremotevideomonitoringsystem，whichhavestableperformanceandstrongprocessabilityandcombinetheembeddedtechnologywiththecomputernetworktechnology．ThewebserverprogramlUllSundertheembeddedLinuxsystemplatformandactsastheserverroleinthesystem．Itrunsbymeansofbackstageandwaitsfort

4、heclient’Srequest，thusrealizemonitorinLANorInternet．Thesystemconsistsoftwopartswhicharethevideosurveillanceterminalsandthevideosurveillancenetwork．ThehardwareplatformofvideosurveillanceterminalUSeSthemicroprocessorARM9TDMI，producedbySAMSUNGCompanyinSouthKorea，whosemainfrequencyisupto203MH

5、z．ThesoftwareplatformusesthefreeembeddedLinuxoperatingsystem．Thevideosurveillanceterminalisresponsibleforcollectingvideoimages．Inthethesis，thevideoimagesiscapturedthroughtheimplementationofUSBcamera，whichisbasedonVide04LinuxprogramminginterfaceundertheLinuxoperatingsystem．Itisnecessarytoc

6、arryoutthenecessarytreatmentfortheenormousamountofvideoimagedata．ThesystemusestheMPEG-4algorithmcompressestocompresstheimagedata．Finally，thecompresseddatastreamissenttovideosurveillancenetworkplatformfornetworktransmission．Thesystemcanbewidelyusedinthecasethatthescreenimageusedasevidence，

7、suchasunmannedwarehouse，homealarmmonitoring，trafficmonitoringandotherfields．Insuchapplications，thesystemdoesnotrequiretheachievementofcontinuousvideosurveillance，butonlyonasinglespecificpicture(frame)andtheneedfortheseimagestovideoediting，theuseofevidenceinordertofa