重慶網絡遠程監控的概念及其工作原理
監(jian)(jian)(jian)(jian)控(kong)(kong)(kong)(kong)(kong)從字面上了解能夠分(fen)為(wei)“監(jian)(jian)(jian)(jian)”和“控(kong)(kong)(kong)(kong)(kong)”兩局(ju)部(bu),其中(zhong)“監(jian)(jian)(jian)(jian)”也(ye)(ye)就(jiu)是遠(yuan)(yuan)(yuan)(yuan)程(cheng)(cheng)監(jian)(jian)(jian)(jian)視(shi),能夠分(fen)為(wei)兩大(da)局(ju)部(bu):一是對(dui)環境的(de)(de)(de)監(jian)(jian)(jian)(jian)視(shi),二是對(dui)計(ji)算(suan)機(ji)(ji)系統及網(wang)絡(luo)(luo)設(she)備(bei)的(de)(de)(de)監(jian)(jian)(jian)(jian)視(shi),不(bu)論(lun)怎(zen)樣說遠(yuan)(yuan)(yuan)(yuan)程(cheng)(cheng)監(jian)(jian)(jian)(jian)視(shi)就(jiu)是指(zhi)(zhi)經過網(wang)絡(luo)(luo)取得(de)信息為(wei)主:而(er)“控(kong)(kong)(kong)(kong)(kong)”也(ye)(ye)就(jiu)是指(zhi)(zhi)遠(yuan)(yuan)(yuan)(yuan)程(cheng)(cheng)控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi),是指(zhi)(zhi)經過網(wang)絡(luo)(luo)對(dui)遠(yuan)(yuan)(yuan)(yuan)程(cheng)(cheng)計(ji)算(suan)機(ji)(ji)停止(zhi)操(cao)作(zuo)的(de)(de)(de)辦法,它不(bu)只僅包(bao)(bao)括對(dui)遠(yuan)(yuan)(yuan)(yuan)程(cheng)(cheng)計(ji)算(suan)機(ji)(ji)停止(zhi)重新啟動(dong)、關機(ji)(ji)等(deng)操(cao)作(zuo)、還(huan)(huan)(huan)包(bao)(bao)括對(dui)遠(yuan)(yuan)(yuan)(yuan)端計(ji)算(suan)機(ji)(ji)停止(zhi)日常(chang)(chang)設(she)置(zhi)的(de)(de)(de)工作(zuo)。經過硬件的(de)(de)(de)配和還(huan)(huan)(huan)能夠完成(cheng)遠(yuan)(yuan)(yuan)(yuan)程(cheng)(cheng)開機(ji)(ji)的(de)(de)(de)功用。總而(er)言之,要(yao)想完整控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)遠(yuan)(yuan)(yuan)(yuan)端的(de)(de)(de)計(ji)算(suan)機(ji)(ji),首先應該(gai)(gai)可以(yi)對(dui)其監(jian)(jian)(jian)(jian)視(shi),也(ye)(ye)就(jiu)是能夠看到該(gai)(gai)計(ji)算(suan)機(ji)(ji)的(de)(de)(de)屏幕顯現,然后才談得(de)上“控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)”,遠(yuan)(yuan)(yuan)(yuan)程(cheng)(cheng)控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)必(bi)需做到“監(jian)(jian)(jian)(jian)”、“控(kong)(kong)(kong)(kong)(kong)”分(fen)離,因而(er)我們通常(chang)(chang)說的(de)(de)(de)遠(yuan)(yuan)(yuan)(yuan)程(cheng)(cheng)監(jian)(jian)(jian)(jian)控(kong)(kong)(kong)(kong)(kong)普通泛指(zhi)(zhi)就(jiu)是這種遠(yuan)(yuan)(yuan)(yuan)程(cheng)(cheng)控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)。除此(ci)之外(wai),關于網(wang)絡(luo)(luo)管理員來說,遠(yuan)(yuan)(yuan)(yuan)程(cheng)(cheng)控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)還(huan)(huan)(huan)包(bao)(bao)括對(dui)網(wang)絡(luo)(luo)設(she)備(bei)的(de)(de)(de)控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi),現今大(da)多(duo)數網(wang)絡(luo)(luo)設(she)備(bei)都支持Telnet,以(yi)至Web方式對(dui)其停止(zhi)遠(yuan)(yuan)(yuan)(yuan)程(cheng)(cheng)管理,這也(ye)(ye)是一種遠(yuan)(yuan)(yuan)(yuan)程(cheng)(cheng)控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)的(de)(de)(de)辦法。
遠程監控軟件
目前比(bi)擬常見的(de)監(jian)(jian)控軟件(jian)有,國(guo)產的(de)免(mian)費(fei)軟件(jian):網(wang)(wang)絡(luo)人(Netman)、遠控王(wang)、灰鴿子、任我(wo)行等(deng),國(guo)外的(de)收費(fei)軟件(jian)TeamViewer、PcAnywhere、Radmin等(deng)。國(guo)產監(jian)(jian)控軟件(jian)中,除網(wang)(wang)絡(luo)人(Netman)外,灰鴿子、遠控王(wang)、任我(wo)行、網(wang)(wang)絡(luo)神偷(tou)等(deng)均黑客類(lei)軟件(jian),TeamViewer、LoGonmypc等(deng)外國(guo)收費(fei)軟件(jian)則根本不會被(bei)當作病(bing)毒查殺。
系統工作原理
首先,未來自各攝像(xiang)機的(de)(de)視(shi)(shi)頻(pin)信號(hao)輸入RV-2000視(shi)(shi)頻(pin)采集終端,然后,RV-2000視(shi)(shi)頻(pin)采集終端經過 MPEG-4圖(tu)像(xiang)緊縮算(suan)法,將視(shi)(shi)頻(pin)信號(hao)轉換為(wei)25幀/秒(miao)的(de)(de)數字圖(tu)像(xiang),并(bing)將經緊縮后的(de)(de)音(yin)視(shi)(shi)頻(pin)數據(ju)流經過光(guang)纖網轉發到(dao)視(shi)(shi)頻(pin)監控(kong)中心;最(zui)后,視(shi)(shi)頻(pin)監控(kong)中心的(de)(de)監控(kong)計算(suan)機對收(shou)到(dao)的(de)(de)來自前端的(de)(de)圖(tu)像(xiang)和(he)聲音(yin)數據(ju),停(ting)止解緊縮并(bing)經過計算(suan)機顯現(xian)屏幕(mu)和(he)聲卡停(ting)止實時監控(kong)。
當發(fa)作(zuo)報警(jing)(jing)時,報警(jing)(jing)解碼器(qi)(qi)(qi)將聯(lian)動(dong)報警(jing)(jing)輸出(chu)設備,并經過報警(jing)(jing)解碼器(qi)(qi)(qi)將報警(jing)(jing)信號(hao)輸入RV-2000視頻(pin)終(zhong)端,并傳輸到監控中心,監控中心的視頻(pin)效勞器(qi)(qi)(qi)接納到報警(jing)(jing)信號(hao)后立刻發(fa)出(chu)聲音信號(hao)、記載報警(jing)(jing)事(shi)情(qing)、停止(zhi)硬盤錄像等報警(jing)(jing)操作(zuo)。
攝像機控(kong)制(zhi)(zhi)(zhi)、布(bu)防等控(kong)制(zhi)(zhi)(zhi)信號是(shi)下(xia)行傳輸(shu)的,由監控(kong)中心(xin)監控(kong)主機發出(chu)各(ge)種(zhong)控(kong)制(zhi)(zhi)(zhi)信號,RV-2000視頻采集(ji)終(zhong)端收到(dao)控(kong)制(zhi)(zhi)(zhi)信號后,經過云臺鏡頭控(kong)制(zhi)(zhi)(zhi)器或直接控(kong)制(zhi)(zhi)(zhi)攝像機,或完成(cheng)布(bu)防操作。
系統采用硬件緊(jin)縮軟(ruan)件解(jie)壓技(ji)術,在相(xiang)(xiang)關科室的計算機終端上增加相(xiang)(xiang)應的軟(ruan)件或(huo)者(zhe)經過(guo)Windows自(zi)帶的IE閱讀器的Web功用就可完成遠程視(shi)頻(pin)監控功用,設(she)置成視(shi)頻(pin)監控工作站(zhan)。
網(wang)(wang)絡通訊采用(yong)TCP/IP和(he)網(wang)(wang)絡組播(Multicast)技術,最大限度天時(shi)用(yong)了網(wang)(wang)絡的傳輸性(xing)能和(he)網(wang)(wang)絡帶寬(kuan),防止網(wang)(wang)絡的擁塞。
4.3 系統(tong)構(gou)造(zao)RV-2000遠程(cheng)(cheng)視(shi)頻監(jian)控(kong)系統(tong)由(you)系統(tong)子站(zhan)(zhan)和(he)調度(du)中心(xin)(xin)主(zhu)(zhu)站(zhan)(zhan)組(zu)成(cheng)(cheng)。系統(tong)子站(zhan)(zhan)設置在下(xia)屬的(de)煤礦、發(fa)電廠和(he)變電站(zhan)(zhan)等(deng)需求(qiu)監(jian)控(kong)的(de)場(chang)所,主(zhu)(zhu)要由(you)視(shi)頻采(cai)(cai)集(ji)終(zhong)端、計(ji)(ji)算(suan)機網絡(luo)(luo)銜接設備、攝像機、報(bao)(bao)警(jing)探頭、報(bao)(bao)警(jing)解(jie)碼器等(deng)組(zu)成(cheng)(cheng),擔任音視(shi)頻信號(hao)和(he)報(bao)(bao)警(jing)信號(hao)的(de)采(cai)(cai)集(ji)和(he)數字化,并應用現(xian)有的(de)計(ji)(ji)算(suan)機網絡(luo)(luo)完成(cheng)(cheng)站(zhan)(zhan)點之間與(yu)調度(du)中心(xin)(xin)的(de)視(shi)頻/報(bao)(bao)警(jing)信息傳(chuan)輸及遠程(cheng)(cheng)監(jian)控(kong)。監(jian)控(kong)調度(du)中心(xin)(xin)主(zhu)(zhu)站(zhan)(zhan)主(zhu)(zhu)要由(you)視(shi)頻管理效勞器、閱讀器、計(ji)(ji)算(suan)機網絡(luo)(luo)銜接設備、遠程(cheng)(cheng)監(jian)控(kong)和(he)視(shi)頻效勞器軟(ruan)件(jian)等(deng)組(zu)成(cheng)(cheng)。監(jian)控(kong)中心(xin)(xin)能夠(gou)經(jing)過網絡(luo)(luo)管理多個(ge)(ge)采(cai)(cai)集(ji)站(zhan)(zhan),能切換并控(kong)制至任何一個(ge)(ge)監(jian)控(kong)點現(xian)場(chang),施行總體監(jian)控(kong),從而完成(cheng)(cheng)對整個(ge)(ge)地域停止視(shi)頻監(jian)控(kong)。它經(jing)過網絡(luo)(luo),不但能夠(gou)實時閱讀各(ge)個(ge)(ge)監(jian)控(kong)點現(xian)場(chang)的(de)視(shi)頻,還能夠(gou)遠程(cheng)(cheng)訪問采(cai)(cai)集(ji)站(zhan)(zhan)的(de)錄像文(wen)件(jian),并下(xia)載錄像文(wen)件(jian),還能夠(gou)在監(jian)控(kong)中心(xin)(xin)停止錄像。
RV-2000遠程視頻監控系統(tong)能(neng)順(shun)應不同的通(tong)訊網絡,能(neng)夠(gou)是以太(tai)網、E1、無(wu)線局域網或其他傳輸通(tong)道。
本文來源于://hjcom.net.cn(編輯:重慶監控)
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