【摘要】：視頻監(jiān)控系統(tǒng)是監(jiān)測(cè)變電站運(yùn)行環(huán)境和提升其信息化程度的重要平臺(tái),隨著我國(guó)電力行業(yè)的迅猛發(fā)展,變電站視頻監(jiān)控系統(tǒng)發(fā)揮出越來(lái)越大的作用。然而,監(jiān)控領(lǐng)域廠家眾多,監(jiān)控標(biāo)準(zhǔn)又未統(tǒng)一,導(dǎo)致各家的設(shè)備在對(duì)接時(shí)經(jīng)常出現(xiàn)故障,極大地影響了視頻監(jiān)控系統(tǒng)的功能,為變電站長(zhǎng)期運(yùn)行埋下了隱患。針對(duì)上述問(wèn)題,統(tǒng)一監(jiān)控標(biāo)準(zhǔn),規(guī)范通信接口,設(shè)計(jì)出一套合理的測(cè)試方案保證設(shè)備互聯(lián)互通,是一項(xiàng)極具現(xiàn)實(shí)意義的課題。本文圍繞這一課題開(kāi)展工作,針對(duì)變電站的特殊應(yīng)用環(huán)境,設(shè)計(jì)與實(shí)現(xiàn)了一種基于ONVIF(Open Network Video Interface Forum,開(kāi)放網(wǎng)絡(luò)視頻接口論壇)協(xié)議的攝像機(jī)模擬測(cè)試方法。本文首先闡述了課題的研究意義,分析了視頻監(jiān)控標(biāo)準(zhǔn)的國(guó)內(nèi)外研究現(xiàn)狀及其測(cè)試方法,然后對(duì)本課題的相關(guān)技術(shù)進(jìn)行了理論研究,并在此基礎(chǔ)上開(kāi)發(fā)了符合變電站需求的ONVIF擴(kuò)展協(xié)議,完成了ONVIF協(xié)議軟件測(cè)試平臺(tái)和攝像機(jī)模擬器的設(shè)計(jì)。主要工作體現(xiàn)在以下幾個(gè)方面:1.從功能需求和技術(shù)路線角度分析,確定了攝像機(jī)模擬測(cè)試方法的總體實(shí)施方案,擴(kuò)展了三維定焦、物體移動(dòng)偵測(cè)、視頻遮擋偵測(cè)和OSD(On-screen Display,屏幕菜單式調(diào)節(jié)方式)字幕等ONVIF接口,并對(duì)各接口的參數(shù)進(jìn)行了詳細(xì)定義。2.完成了ONVIF協(xié)議軟件測(cè)試平臺(tái)的設(shè)計(jì)。根據(jù)被測(cè)對(duì)象的不同,分為客戶(hù)端測(cè)試平臺(tái)和服務(wù)端測(cè)試平臺(tái)兩部分,詳細(xì)介紹了各主要功能模塊的設(shè)計(jì)思路和實(shí)現(xiàn)方法。3.完成了攝像機(jī)模擬器的設(shè)計(jì)。從模擬真實(shí)攝像機(jī)的主要性能參數(shù)、多路視頻流傳輸機(jī)制和事件觸發(fā)機(jī)制三個(gè)角度入手,詳細(xì)闡述了通過(guò)軟件模擬真實(shí)設(shè)備的思路和具體實(shí)現(xiàn)過(guò)程。4.通過(guò)ONVIF軟件測(cè)試平臺(tái)和攝像機(jī)模擬器對(duì)視頻監(jiān)控設(shè)備的測(cè)試,驗(yàn)證了攝像機(jī)模擬測(cè)試方法的有效性。
[Abstract]:Video surveillance system is an important platform to monitor substation operation environment and improve its information level. With the rapid development of power industry in China, substation video monitoring system plays an increasingly important role. However, there are many manufacturers in the field of monitoring, monitoring standards are not uniform, resulting in the equipment in docking often appear fault, greatly affected the function of the video surveillance system, the substation for the long-term operation of hidden dangers. Aiming at the above problems, it is of great practical significance to unify the monitoring standard, standardize the communication interface, and design a set of reasonable test scheme to ensure the interconnection and interworking of the equipment. According to the special application environment of substation, this paper designs and implements a camera simulation test method based on ONVIF (Open Network Video Interface Forum, (Open Network Video Interface Forum) protocol. This paper first describes the significance of the research, analyzes the domestic and foreign research status of video surveillance standards and its testing methods, and then carries out a theoretical study on the related technologies of this topic. On this basis, the ONVIF extension protocol is developed to meet the substation requirements, and the design of the ONVIF protocol software test platform and camera simulator is completed. The main work is reflected in the following aspects: 1. From the point of view of functional requirements and technical route, the overall implementation scheme of camera simulation test method is determined, which extends 3D focusing, object motion detection, video occlusion detection and OSD (On-screen Display,). Screen menu adjustment) subtitle and other ONVIF interface, and the parameters of each interface are defined in detail. 2. The software testing platform of ONVIF protocol is designed. According to the differences of the tested objects, it is divided into two parts: the client test platform and the server test platform. The design ideas and implementation methods of the main functional modules are introduced in detail. 3. The design of camera simulator is completed. From the three angles of simulating the main performance parameters of real camera, the transmission mechanism of multi-channel video stream and the mechanism of event triggering, the train of thought and the concrete realization process of simulating real equipment by software are described in detail. 4. The ONVIF software test platform and camera simulator are used to test the video surveillance equipment, and the validity of the camera simulation test method is verified.
【學(xué)位授予單位】：電子科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類(lèi)號(hào)】：TM63;TN948.6;TN948.41

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