Solution Overview

The Urban Rail Transit Operations and Public Security HD Video Surveillance System Solution addresses the security needs of both operational departments and public security agencies. It utilizes various front-end, video encoding/decoding, and control products from Huawei Vision, providing video surveillance services and intelligent applications through a unified platform. This meets the demands of rail transit operators for passenger organization and emergency command, as well as the needs of subway public security for real-time on-site images and evidence for case investigation.

Background and Challenges

With the development of China's economy and population growth, traffic conditions in major cities are deteriorating. Developing rail transit and building an intensive transportation network has become the direction for traffic development in China's large and medium-sized cities. National planning designates urban rail transit as a key investment area in urban infrastructure construction. Major cities are highly enthusiastic about building rail transit, ushering in a golden age for urban rail transit construction.

Due to factors such as high passenger density, diverse personnel, and relatively enclosed spaces in rail transit, it has become a high-incidence area for illegal and criminal activities like theft and terrorist attacks. The sudden reversal of an escalator on Beijing Metro Line 4 resulted in 1 death, 3 serious injuries, and 27 serious injuries; a gas cylinder fire in a carriage on Guangzhou Metro Line 5; a two-train collision on Shanghai Metro that paralyzed the subway and caused tens of thousands of people to be stranded for extended periods... In particular, subway bombings in major cities like Berlin, Moscow, and London have shocked the world, leaving a lingering shadow of terror for passengers. This has sounded an alarm for subway operators and public security departments worldwide, making passenger safety the top priority for rail transit operations and safety management departments.

In the "Opinions on Strengthening the Construction of the Social Public Security Prevention and Control System" released by the General Office of the CPC Central Committee and the General Office of the State Council in 2015, it was mandated to strengthen public transport security work, enhance the construction and daily management of human, physical, and technical defenses, improve and implement security check systems, strengthen security protection for key areas such as public bus stations, subway stations, airports, railway stations, ports, border crossings, and high-speed rail lines, and strictly prevent violent terrorist attacks and individual extreme incidents targeting public transportation.

Solution

The Urban Rail Transit Operations and Public Security HD Video Surveillance System uses a video surveillance platform as its core, integrating various front-end cameras, intelligent devices, passenger flow statistics analysis equipment, alarm devices, etc. It provides operational departments and public security agencies with functions such as video monitoring, recording playback, and passenger flow statistics, thereby improving subway public security, enhancing rail transit operational efficiency, and ensuring the safe and punctual transportation of passengers by subway trains.

Solution Advantages

1) Integration of Multicast and Streaming Media Forwarding Transmission Methods

Given that rail transit video networks often feature long transmission distances and high security requirements for front-end video surveillance points, in response to this situation, the rail transit monitoring platform has introduced two different media stream transmission methods—IP streaming media and IP multicast—based on actual functional characteristics.

2) Standardized Networking Framework Based on GB/T28181 and ONVIF

It adopts a standardized networking design approach that integrates ONVIF and GB/T28181-2011.

Within the station-level scope and below, ONVIF can be used as the standardized framework for device access and management. Above the station level, GB/T28181-2011 is used as the primary communication protocol for networking.

3) Full Range of Cameras Supporting Fiber Optic Interfaces

The entire series of front-end cameras specifically designed for the subway industry (including bullet cameras, dome cameras, and integrated PTZ cameras) all feature built-in optical ports. Utilizing 100M Base-FX adaptive SFP optical ports, they can directly use fiber optics for long-distance transmission. This avoids the need to place transmission equipment and equipment boxes within suspended ceilings, ensuring system reliability and facilitating inspection and maintenance.

4) Access and Interoperability of Terminal Devices from Different Manufacturers

The system platform enables the access of terminal devices from different manufacturers through various methods, meeting the demands of higher-level organizations such as rail transit networks and public security departments for interconnected video viewing and control.