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莱芜保安公司加盟分享地铁视频监控的方法与技术

来源:http://www.vranime.net/  点击次数:    发布时间:2019-05-20
  虽然地铁现在还不是莱芜保安公司加盟的服务范围,但地铁的视频监控系统依然不能小视,相关部门还是要重视起来。
  Although the metro is not the service scope of Laiwu Security Company, the video surveillance system of the Metro can not be ignored, and the relevant departments should pay attention to it.
  随着安防监控高清技能的迅猛开展,画面清晰度大幅进步,能够进步更多的细节需求,越来越遭到地铁营运业主和地铁公安用户及专业设计院专家的认可,本文来讨论如何合理规划建造地铁高清监控体系的。
  With the rapid development of high-definition technology of security monitoring, the sharp improvement of picture clarity and the need for more details, it has been increasingly recognized by the owners of Metro operation, users of metro public security and experts of professional design institutes. This paper discusses how to plan and construct the Metro high-definition monitoring system rationally.
  地铁视频监控
  Subway Video Monitoring
  1、一类解决计划就是较为熟悉的IP监控 (IP高清监控体系)--以HDTV 规范 支撑720P、 1080i、1080P分辨率画幅16∶9;选用H.264 帧间紧缩方式,实时全帧率。
  1. The first kind of solution is the most familiar IP monitoring (IP HD monitoring system) - supporting 720P, 1080i, 1080P resolution 16:9 with international HDTV standards; choosing H.264 inter-frame compression mode, real-time full frame rate.
  2、第二类解决计划就是以广播行业规范演进而来的HDTV非紧缩监控体系,主要是运用HD-SDI(1.485G bit/s)高清视频信号作为高清摄像机、高清光端机、高清矩阵、高清显示设备互连的规范。
  2. The second kind of solution is the HDTV non-compact monitoring system evolved from the broadcasting industry standard. It mainly uses HD-SDI (1.485G bit/s) high-definition video signal as the interconnection standard of high-definition camera, high-definition optical terminal, high-definition matrix and high-definition display equipment.
  3、第三类解决计划是以智能视觉高清摄像机为中心的体系。高清视觉摄像机主要以高清晰抓拍为主要任务。摄像机传感器选用高像素CCD(像素主要参阅目标有200万、500万、800万、1000万等)。这类摄像机以帧内紧缩为主(选用MJPEG或JPEG2000图画编码计划),可做无延时高质量的高清编码或无延时的高紧缩比图画编码。其缺陷主要有图画比例很少支撑宽幅16∶9,帧率在3~15fps视频流畅性差,摄像机接口规范以工业智能视觉为基础开展而来有局限性,不宜用于大规划视频监控组网建造,支撑厂家较少,摄像机贵重。
                         莱芜保安公司加盟
  3. The third kind of solution plan is a system centered on intelligent vision high-definition camera. High-definition visual camera mainly takes high-definition snapping as its main task. High-pixel CCD is selected as the camera sensor (2 million, 5 million, 8 million, 10 million, etc.). This kind of camera mainly uses intra-frame compression (MJPEG or JPEG2000 picture coding plan) to do high-definition coding without delay or high-compression ratio picture coding without delay. The main drawbacks are that the proportion of pictures is seldom 16:9, the frame rate is between 3 and 15 FPS and the video fluency is poor. The standard of camera interface based on industrial intelligent vision has limitations. It is not suitable for the construction of large-scale planning video surveillance network. There are fewer supporting manufacturers and the camera is valuable.
  以上能够看出,高清监控绝不仅仅只是高清摄像机,而是一整套的体系解决计划。规划建造地铁高清监控体系需求依据地铁建造特色和事务需求进行解决计划的选择。
  As can be seen above, HD surveillance is not just a HD camera, but a set of system solutions. The planning and construction of high-definition monitoring system for Metro needs to be based on the characteristics of metro construction and business needs to select solutions.
  ·首先要考虑地铁行业特色,清晰对监控事务?#20998;?#30340;要求;·清晰体系建造规划,是否支撑继续扩容建造,是否需求操控归?#23665;?#36896;本钱;·在大规划部署情况?#29575;?#21153;体系的可靠性是否不下降。
  · First of all, we should consider the characteristics of the Metro industry, clear requirements for the quality of monitoring services; clear system construction planning, whether to support the continued expansion of construction, whether to control and summarize the cost of construction; and whether the reliability of the transaction system does not decline in the case of large-scale planning and deployment.
  随着地铁线路的延伸和多条线路的交汇,地铁监控有继续扩容的需求,因此对监控体系的技能开放性有要求,同时甲方对体系建造本钱会有?#32454;?#30340;操控。
  With the extension of metro lines and the intersection of multiple lines, there is a need for continuous expansion of Metro monitoring. Therefore, the technical openness of the monitoring system is required. At the same time, Party A will strictly control the construction cost of the system.
  地铁监控运用对图画质量、图画延时、体系的可靠性?#21152;?#24456;高的要求。?#36824;?#20307;系规划多大,需求做到?#25105;?#22270;画编解码延时必须做到300ms以内。车站、监控中心上墙?#25105;?#22270;画调度与PC终端?#25105;?#22270;画调度时刻要小于500ms.IP高清监控体系运用H.264Main Profile以?#31995;?#32423;图画编码技能,实况、录像图画质量好,低延?#20445;?#25237;?#24335;系停?#25193;容简单本钱低,通用?#36234;?#22909;,是高清地铁运营计划的理想选择。
  The application of Metro monitoring requires high quality of pictures, delay of pictures and reliability of the system. No matter how big the system planning is, the delay of any picture coding and decoding must be less than 300 ms. The dispatching time of any picture on the upper wall of stations and monitoring centers and PC terminals should be less than 500 ms. IP HD monitoring system uses the coding skills of H.264 Main Profile and above. The quality of live and video pictures is good, the delay is low, the investment is the lowest, the expansion is simple, the cost is low, and the versatility is good. It is an ideal choice for the operation plan of HD metro.
  目前地铁视频监控体系有两种主流IP数字监控解决计划:IP流媒体监控联网计划和IP全交流数字监控计划。
  At present, there are two main IP digital surveillance solutions for Metro video surveillance system: IP streaming media surveillance networking plan and IP full AC digital surveillance plan.
  莱芜保安公司加盟立足于特种安保领域并兼做门卫、护卫、技防、安检?#28982;?#30784;保安业务,打造化国内的安全护卫公司。
  Laiwu Security Company has joined in the field of special security, and has also been engaged in basic security business such as door guard, escort, technical defense and security inspection, so as to build an international first-class domestic top security company.
 
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