All City Roads Digital Storage Solutions For Video Surveillance - Video Surveillance, Digital,

Third-generation all-digital video surveillance system is a centralized storage model

, a great amount of data used to manage more storage servers, storage systems needed to complete the professional video surveillance storage.

With the city's rapid economic development, accompanied by the rapid increase of vehicles. Although road infrastructure has been greatly improved, but Traffic Crowded situation more serious.

To improve the situation, the city was gradually extended in the operation of all important real-time traffic conditions, traffic crossing the image region Monitoring System Scheme, that all important traffic crossings in urban areas to install a smart traffic control system, image transmission channel through the road will be immediately uploaded to the road traffic control command center, the Center on duty can thus keep abreast of the regional road conditions, to adjust the number of vehicles at road junctions to ensure smooth traffic, monitor road traffic violation cases, to detect and deal with road traffic matters and other arrangements. Whether through a red light, or reverse travel, as long as Motor Vehicle Major road junctions in urban areas violated by "The People's Republic of China on Road Traffic Safety Law," will be E-police And video monitoring equipment recorded the vehicle, the information in traffic control center to be printed in time. Using high-tech input traffic management, improved efficiency, but also to facilitate the driver.

Needs analysis Currently, more mature urban road monitoring system Solutions Basically be divided into three models, namely model based on the traditional analog monitor urban road monitoring system to DVR (DVR) as the core of the second generation of digital video surveillance mode quasi-urban road monitoring system to Network Video Server as the core of third-generation all-digital Remote Video Monitoring Mode of urban road monitoring system.

First case belongs to the traditional analog control, use of video for storage, now in phase-out among the temporarily analysis.

Second-generation standard digital city, the main control system as the core digital hard disk recorders, digital hard disk video recorder placed in the road monitor the front to the camera, the video source signal is analog / digital conversion compression, the video stored on the local, can be a variety of networks through the city uploaded to the monitoring center channel. As the roads and traffic junctions in the control point is not much, through to meet the basic DVR video storage problems, particularly important to long-term retention of video or video can be uploaded to the traffic control center through the network of professional storage device to save. If the digital hard disk recorders on the traffic control center room sub-detachment, with the front end through the fiber optic camera connected to this point, the sub video signal access control center may be more than large ones, the data volume is huge, you can consider using professional disk arrays to perform large-capacity storage.

This article focuses on the third generation all-digital video surveillance system surveillance video and photo storage problems. Third-generation digital surveillance systems can basically be divided into road monitoring front end, transmission networks and port facilities, road monitoring command center three parts.

The front part of the road monitoring cameras and related equipment includes head, shield, decoder, wipers, support and network video server (video server by some to be placed in the command center). Among them, the network video server as the core front-end device, connect the camera through the BNC port, RS232 port to connect decoder or police probe, RJ45 port to connect the network port equipment, used to collect road live video images, by coding and then upload it to the road monitoring command center.

In the transmission network, according to the system on the network bandwidth requirements, the system around the network conditions, and economic considerations, the most appropriate network routing configuration.

Road monitoring command center of the road monitoring system as a whole "brain" monitoring road network connecting the front of the road under the jurisdiction of monitoring points to complete the image of the real time monitoring, control, storage, management and other functions. The hardware system consists of monitoring the host, display devices, storage devices, printing devices and other components.

Solutions In general, monitoring of urban traffic control points is very large, need to store data and monitoring of video, illegal photo, as well as road monitoring command center management system data. In the command center of the storage management server, according to an acceptable level of hardware configuration from 100 to 150 video streams, so the command center configure multiple storage management server. If the use of DAS (direct attached) architecture, disk array space utilization will be low, and the expansion of storage system upgrades relatively poor, so the user is SAN architecture.

Program features

This program primarily through the use of specialized storage systems, to solve the road traffic monitoring system of large capacity storage problems, monitor video and photo data security, storage system expansion and other issues, but also the data for different monitoring points security level required, custom different levels of secure storage space, thus saving storage space.

by: gaga

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