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《基于嵌入式μclinux的網(wǎng)絡(luò)視頻監(jiān)控系統(tǒng)的設(shè)計與實現(xiàn)》由會員上傳分享,免費在線閱讀,更多相關(guān)內(nèi)容在教育資源-天天文庫。
1、大連理工大學(xué)碩士學(xué)位論文摘要傳統(tǒng)的模擬視頻監(jiān)控系統(tǒng)具有成本較高,需要鋪設(shè)專用線路,無法聯(lián)網(wǎng),需要耗費大量的存儲介質(zhì)等缺點。隨著網(wǎng)絡(luò)的發(fā)展,新興的網(wǎng)絡(luò)視頻監(jiān)控克服了傳統(tǒng)模擬視頻監(jiān)控的局限性,充分利用了網(wǎng)絡(luò)資源,有助于提高性能,降低成本,是視頻監(jiān)控系統(tǒng)的發(fā)展方向。本文介紹了基于嵌入式gcLinux的網(wǎng)絡(luò)視頻監(jiān)控系統(tǒng)的設(shè)計和實現(xiàn)方法。該視頻監(jiān)控系統(tǒng)由攝像頭、云臺控制器、網(wǎng)絡(luò)視頻服務(wù)器以及客戶端Pc機等幾部分組成,文中首先論述了視頻監(jiān)控技術(shù)的兩大技術(shù)基礎(chǔ)~圖象處理技術(shù)和嵌入式操作系統(tǒng)相關(guān)技術(shù);然后介紹了視頻監(jiān)控系統(tǒng)服務(wù)器端硬件中幾個重要模塊的設(shè)計,
2、包括圖像壓縮處理模塊、網(wǎng)絡(luò)接口模塊、實時時鐘模塊、云臺的控制、串口的應(yīng)用等;軟件部分詳細(xì)介紹了軟件的設(shè)計方案,包括嵌入式軟件開發(fā)環(huán)境的搭建,崛Linux內(nèi)核的編譯,以及視頻監(jiān)控軟件中多個任務(wù)的設(shè)計和軟件的調(diào)試與測試方法等;并介紹了網(wǎng)絡(luò)協(xié)議在本系統(tǒng)中的應(yīng)用。本文所介紹的網(wǎng)絡(luò)視頻監(jiān)控系統(tǒng)達(dá)到畫面播放流暢,清晰度高,幾乎無馬賽克效應(yīng)的效果,可在圖象監(jiān)控過程中,設(shè)置網(wǎng)絡(luò)攝象機參數(shù)和對云臺進(jìn)行控制。支持UDP/IP、TCP/IP、ARP、FTP、DHCP、舯、SMTP等多種協(xié)議,實現(xiàn)了網(wǎng)絡(luò)實時播放、允許多路切換和4路畫面同時播放、可以以FTP/MAI
3、L方式報警等功能。經(jīng)過長時間的測試和不斷完善,系統(tǒng)運行穩(wěn)定可靠。關(guān)鍵詞:視頻監(jiān)控;嵌入式;pCLinux操作系統(tǒng);組播;流媒體基于嵌入式I』CLkmx的網(wǎng)絡(luò)視頻監(jiān)控系統(tǒng)的設(shè)計與實現(xiàn)DesignandrealizationofaNetworkvideomonitoringsystembasedonThehditional鋤alogicmoulto血gsys把mshavetkdefectthattheircostsarebi出andneedspeciallines,can'tjointogetherandneedamaSsofstorageme
4、dium.Withthedevelopmemofnetworklhenewdevelopingnetworkmoni:tofingsystemsovercomethelimitationandm幽efulll辯ofnetrosoul'ces,enhancingp既如Im柚∞andreducingcost,becomethefuturedevelopmentdil"ec虹onofmonitoringsystems.Thispaperhasintroducedthedesignandrealizationmethodofanetworkvide
5、omonitoringsystembasedonembeddedixCLinn)LTbesystemiscomposedofcamera,伽tr/lcracontroller,networkvideos廿懈andcHent-endPC.Itfirstlydesenq)esimageprocessulgandembeddedOStechniques,whicha把thet1)l=otechnicalfoundations;italsodescribesthedesignofscv∞almainmoduleofthehardwarepartof
6、themonitoring鬟x嗽whichincludesimagecomprgssionmodule,networkinterfacemodule,realthneclockmoduleandhowtocontrolcamera,ere.mtheso矗ovarepaa,itdescribesindetailthathowtocorlSI/ucttheembeddedsofhvaredevelopmentenvironment,howtocompileI.tCLimLXkernel,thedesignofseveraltasksofthes
7、oftware,andthedebugmadtestme也odandtheapplicationofnetworkprotocolshavealsobeendescribed.皿lenetworkmonitoringsystemintroducedinthepaperachievesthegoalofplayingsmoothlyandwithhighdefinitionandnearlyn0mosaic掀itenablesusertosetGanlel"aparameterandtDcontrol鋤eIaduringthemonitori
8、ngproce鼢ItcansIrploortmultipleprotocolssuch夠UDP/IP,Ta雕田,ARP,兀P,DHCP,H丌P,鯽m曙pmttrcolsandrg