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Smart City Improves Public Security Efficiency

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Smart City Improves Public Security Efficiency

2013/11/4 16:00:04

Background

The city of Langfang, Hebei province, located between Beijing and Tianjin, is known as the “Jewel in the Beijing-Tianjin Corridor.” As the only passage to Beijing from the south, Langfang requires public security protection. To address challenges brought about by its rapid economic development, the Langfang police department and Huawei started working together on a project to develop the city’s video surveillance system.

Huawei made a thorough analysis of Langfang’s progress in ICT, and recommended a “Smart City” solution. After several rounds of high-level communication and visits, the Langfang municipal government signed a strategic cooperation agreement with Huawei in 2011 to build a “Smart Langfang.” In the same year, Huawei developed Smart City ePolice and checkpoint systems for Langfang.

In February 2012, Langfang decided to upgrade its existing video surveillance system to an HD digital system. Huawei then invited the customer to visit its “Safe City” showcase in Kunming, Yunnan province. Following in-depth communication, meticulous studies and comparisons, Langfang’s municipal government and police department selected Huawei to provide the technical design of Langfang’s safe city project. Huawei won the project over a number of competitors with its advantages in technical strength and solution design.

Challenges

Langfang’s previous video surveillance system did not provide unified management. In addition, images taken by SD cameras were not clear enough to effectively help investigations.

Another problem was that the old platform could not efficiently protect recorded data. Incidents of video loss occurred from time to time.

The lack of intelligent analysis services led to the following problems:

  • Manual browsing of surveillance videos was very time-consuming for large numbers of personnel.
  • Even if a digital video system was operating normally, the system could not detect a faulty analog camera. When an incident occurred, police would find that the relevant analog surveillance video was blurry, damaged, or even had not been recorded.
The customer needed a new platform with higher quality video capabilities including diagnoses in order to improve system maintenance. The new platform required detection of image quality exceptions such as image loss, blue screen, frame freezing, and mosaic.

Solution

Huawei provides “Smart Langfang” with an end-to-end solution: a platform integrated with software, servers, storage units, network, cameras, and decoders. Huawei’s HD camera uses a second-generation Exmor CMOS chip that features back-lit sensor technology. A large-capacity back-end ISP and Huawei-proprietary coding algorithm secures Huawei’s leading position in the camera industry.

The new platform supports the GB/T28181 protocol, which permits integration with the existing platform and unified management for all network elements.

The integrated hardware architecture enables every hardware unit to store, distribute, and forward data streams, thus minimizing the number of faulty points. The platform provides cluster deployment and two-level security protection for data on the hard disk and host layers, preventing video data loss.

The platform also enables timely maintenance with intelligent video quality diagnosis functions that detect image exceptions and generate relevant log reports. When an exception occurs, the system automatically generates an alarm to notify on-duty personnel of the need for inspection.

Benefits

The highly scalable “Smart Langfang” system enables large-scale expansion for the future. Now, the new system covers all key areas in the city, substantially improving public security, and raising case investigation efficiency by more than 20 percent.

Intelligent video quality diagnostics facilitate work force distribution, improve security efficiency by 30 percent, and enable 24/7 video surveillance services.

The Langfang Safe City system has 3,000 surveillance sites, which is still not enough to cover the entire city. To ensure the city’s security protection needs and promote social and economic development, the Langfang municipal government plans to expand the system to cover all subordinate districts, at a market value of up to USD $50 million to $70 million.

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