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基于linux、qt的視頻監(jiān)控系統(tǒng)的設(shè)計(jì)與實(shí)現(xiàn)畢業(yè)論文(已修改)

2025-07-04 01:22 本頁(yè)面
 

【正文】 基于Linux、QT的視頻監(jiān)控系統(tǒng)的設(shè)計(jì)與實(shí)現(xiàn)畢業(yè)論文目 錄緒論 11 基于Linux、QT的視頻監(jiān)控系統(tǒng)概述 4 視頻監(jiān)控系統(tǒng)的組成 4 開(kāi)發(fā)環(huán)境簡(jiǎn)介 4 Linux環(huán)境簡(jiǎn)介 4 QT技術(shù)簡(jiǎn)介 4 V4L2編程技術(shù)簡(jiǎn)介 52 系統(tǒng)總體設(shè)計(jì)概述 7 分析系統(tǒng)需求 7 系統(tǒng)的軟件結(jié)構(gòu)及整體框架 7 整體結(jié)構(gòu)框圖 7 模塊的功能分析 83 系統(tǒng)中各模塊功能的具體實(shí)現(xiàn) 9 服務(wù)器:數(shù)據(jù)采集部分 9 模塊功能描述 9 技術(shù)概要 9 邏輯概要及流程圖 10 服務(wù)器:數(shù)據(jù)處理 17 模塊功能描述 17 技術(shù)概要 17 邏輯概要及程序流程圖 17 客戶(hù)端:數(shù)據(jù)獲取 19 模塊功能描述 19 技術(shù)概要 19 邏輯概要及流程圖 19 客戶(hù)端:QT視頻渲染 21 模塊功能描述 21 技術(shù)概要 22 邏輯概要及流程圖 224 視頻監(jiān)控系統(tǒng)測(cè)試 23 系統(tǒng)測(cè)試目標(biāo) 23 系統(tǒng)測(cè)試過(guò)程 23 系統(tǒng)測(cè)試結(jié)果 25結(jié)論 26參考文獻(xiàn) 27致 謝 28 插圖索引圖1 視頻監(jiān)控系統(tǒng)結(jié)構(gòu)圖 7圖2 服務(wù)器(server)端視頻數(shù)據(jù)采集流程 10圖3 打開(kāi)USB攝像頭設(shè)備流程圖 11圖4 查詢(xún)視頻設(shè)備信息流程圖 12圖5 設(shè)置視頻采集方式流程圖 13圖6 申請(qǐng)緩沖區(qū)流程圖 14圖7 緩沖區(qū)設(shè)置流程圖 15圖8 視頻數(shù)據(jù)處理流程圖 16圖9 服務(wù)器端數(shù)據(jù)處理流程圖 18圖10 服務(wù)器端數(shù)據(jù)幀封裝結(jié)構(gòu)圖 19圖11 服務(wù)器與客戶(hù)端TCP網(wǎng)絡(luò)編程流程圖 20圖12 客戶(hù)端的數(shù)據(jù)分割流程圖 21圖13 客戶(hù)端視頻渲染模塊流程圖 22圖14 啟動(dòng)系統(tǒng)效果圖(左:客戶(hù)端,右:服務(wù)端) 24圖15 客戶(hù)端準(zhǔn)備連接時(shí)效果圖(左:客戶(hù)端,右:服務(wù)端) 24圖16 系統(tǒng)網(wǎng)絡(luò)連接后效果圖(左:客戶(hù)端,右:服務(wù)端) 25 基于Linux、QT的視頻監(jiān)控系統(tǒng)的設(shè)計(jì)與實(shí)現(xiàn)摘 要隨著社會(huì)的網(wǎng)絡(luò)技術(shù)的不斷更新,計(jì)算機(jī)多媒體應(yīng)用技術(shù)及網(wǎng)絡(luò)技術(shù)方面的發(fā)展之迅速是有目共睹的,在銀行,商場(chǎng)監(jiān)控,城市交通管理,酒店等安全保衛(wèi)方面,視頻監(jiān)控系統(tǒng)的市場(chǎng)需求量大幅度上升,市場(chǎng)上出現(xiàn)了多種圖像采集和傳輸?shù)漠a(chǎn)品,視頻監(jiān)控系統(tǒng)的發(fā)展趨勢(shì)必然是數(shù)字化,網(wǎng)絡(luò)化,即采用嵌入式網(wǎng)絡(luò)攝像機(jī),利用嵌入式監(jiān)控設(shè)備體積小巧,性能穩(wěn)定,通訊便利等特點(diǎn)。在我國(guó)現(xiàn)階段,流媒體技術(shù)以及嵌入式網(wǎng)絡(luò)視頻監(jiān)控技術(shù)的研發(fā)還不夠成熟,大多是針對(duì)那些大,中型工程所開(kāi)發(fā)的視頻監(jiān)控系統(tǒng)。但是對(duì)于小型的場(chǎng)所來(lái)說(shuō),成本太高,視頻監(jiān)控系統(tǒng)的功能復(fù)雜。因此我們可以設(shè)計(jì)一種低成本的,簡(jiǎn)便的,新型的視頻監(jiān)控系統(tǒng)針對(duì)上述用戶(hù)群。這是一項(xiàng)非常有意義的工程。視頻監(jiān)控系統(tǒng)的設(shè)計(jì)論文主要介紹了整個(gè)系統(tǒng)的開(kāi)發(fā)流程,運(yùn)用模塊化分析設(shè)計(jì)的方法,采用各個(gè)模塊程序流程圖對(duì)整個(gè)系統(tǒng)的設(shè)計(jì)以及實(shí)現(xiàn)進(jìn)行詳細(xì)的說(shuō)明,全文共分為緒論、系統(tǒng)的總體設(shè)計(jì)、各模塊的具體功能實(shí)現(xiàn)、視頻監(jiān)控系統(tǒng)的測(cè)試以及結(jié)論這五個(gè)部分。利用v4l2進(jìn)行數(shù)據(jù)采集,基于TCP編程和多線(xiàn)程編程對(duì)數(shù)據(jù)進(jìn)行處理,QT技術(shù)來(lái)實(shí)現(xiàn)客戶(hù)端程序。視頻數(shù)據(jù)的發(fā)送是采用HTTP協(xié)議,Linux系統(tǒng)下C語(yǔ)言編程實(shí)現(xiàn)的?!娟P(guān)鍵詞】:Linux QT技術(shù) v4l2編程 協(xié)議 Design and implementation of video monitoring system based on Linux and QTAbstractAlong with the social network technology unceasing renewal, puter multimedia application technology and network technology aspects of the rapid development of is be obvious to banks, shopping malls monitoring, urban traffic management, security and other aspects of the hotel. Market demand for video surveillance systemincreased significantly. Appeared on the market a variety of image acquisition and transmission products, the development trend of video surveillance system must be digital, network, and the use of embedded network camera. With the embedded monitoring equipment pact, stable performance, munication facilities and so on. At the present stage of our country, research and development of streaming media technology and the embedded network video monitoring technology is not mature enough, mostly in those big, video monitoring system and medium engineering development. But for a small place, the cost is too high, the video monitoring system with plex functions. Therefore, we according to the user group, can design a simple, low cost, video monitoring system model. This is a very meaningful project. This paper mainly introduces the system development process, the use of the design method of modularization analysis, the program flow chart of each module of the system design and implementation are described in detail, the full text is divided into introduction, the overall design of the system, each module of the specific function realization of video monitoring system, and the conclusion of this test the five part. Data collection by v4l2, TCP and multi thread programming for data processing based on QT technology to realize the client program. Sending video data is using HTTP protocol, the Linux system under the C programming language.【Key words】 Linux QT Technology v4l2 Programming Protocol28緒論Linux是一個(gè)基于Unix的操作系統(tǒng),它也是Unix家族的一元,與Unix不同的是,它可以運(yùn)行在不同的硬件平臺(tái)上,它于1991年誕生于芬蘭的一個(gè)大學(xué)生Linus Tor valds手中,不過(guò)當(dāng)時(shí)還只是一個(gè)雛形,為了不讓自己的這個(gè)羽翼未滿(mǎn)的操作系統(tǒng)夭折,Linus將自己的作品Linux通過(guò)Internet發(fā)布,從此大量的一批知名的、不知名的編程人員以及電腦黑客加入到Linux系統(tǒng)的開(kāi)發(fā)過(guò)程中來(lái),Linux就這樣的逐漸成長(zhǎng)起來(lái)了[1]。到目前為止,并在次基礎(chǔ)上發(fā)展了數(shù)十種發(fā)行版,其中有經(jīng)過(guò)長(zhǎng)期發(fā)展洗禮的Redhat(Fedora),也有發(fā)展迅猛使用方
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