The composition and application solution of Dahua Airport security system

Project background

On the basis of the traditional security system, Dahua makes full use of its own technical advantages in the security industry, combines modern network information technology, and integrates a big data platform to integrate the original independent security system and other related peripheral systems. This makes the airport security system more intelligent, and makes the investment in the airport security system more value-added.

In the field of airport security subsystems, it includes five closely related subsystems: monitoring system, alarm system, access control system, network transmission system and management platform; in physical areas, including terminal building, parking building, ITC building, cargo building, and station The front area (including the entire area of ​​the terminal square, roads, office areas, living areas, etc.), flight areas, field power pipe trenches and at least seven types of individual buildings and areas; at the system coupling level, each airport The security subsystems in the area constitute a comprehensive subsystem horizontally, and each comprehensive subsystem is integrated vertically to form a large security system for the entire airport.

An Introduction

The front-end video system adopts all-digital network video surveillance, composed of surveillance cameras, entrance and exit cameras, etc. The system is compatible with the original analog monitoring point. After the transformation, an encoder is added. After completion, it will be a comprehensive video monitoring system integrating analog and digital high-definition. The perimeter defense system uses electronic fences, vibrating optical cables, etc., while the alarm signal is transmitted to the front-end camera, uploaded to the platform, and video linkage is performed.

The front-end system structure is as follows:

As shown in the figure above, for the IP network camera, the image collected by the front-end camera transmits the relevant signal back to the computer room through the photoelectric converter; after the front-end camera collects the video image signal, it is connected to the photoelectric converter and transmitted back to the central computer room through the optical fiber. , Connect to the management server, forwarding server and storage server, and store image data through IP-SAN equipment. The image signal is displayed on the large display screen through the control of video decoding equipment and large-screen controller, and the front-end image output by the display device in the monitoring center.

For HDCVI high-definition cameras, the images collected by the front-end camera are directly transmitted back to the monitoring center computer room through the HDCVI remote optical access module without compression. The uncompressed HDCVI images are directly displayed on the wall through the optical transmission platform on the one hand, and encoded on the other hand Stored in IP-SAN.

Considering the high reliability requirements of airport video data, cloud storage system is adopted for data storage. Dahua Cloud Storage System supports the following functions: cloud security management, cloud pool quota management, video image index, video image cloud writing, video image Cloud retrieval and other functions.

In view of the special importance of the airport, its monitoring system must have the characteristics of continuity, effectiveness, strong monitoring ability, high detection rate, and low false alarm rate to ensure the absolute safety of the airport. The design of the monitoring system should be based on the use function of the building, construction standards and the requirements of the owner, and implement the relevant "standards" and "standards" promulgated and implemented by the country, taking into account the cost savings, and comprehensively use electronic information technology and computer network technology , Security technology, etc., constitute an advanced, reliable, economical and applicable security system.

At the same time, with the rapid development of video surveillance systems in recent years and the rapid increase in the number of cameras, a large amount of video data has brought new opportunities and challenges to the effective use of real-time monitoring and alarming and video data. A standard video surveillance system often has dozens of channels or even thousands of channels of video and corresponding digital video data. It becomes very difficult for the operator to observe each channel of video to discover an alarm event. In addition, when analyzing alarm events after the event, due to the lack of intelligent analysis of the video by the video surveillance system, there is no corresponding relationship between the video and the behavior, and the video data cannot be retrieved effectively. An effective way to solve the above problems is to conduct automatic intelligent analysis of the video, timely report the occurrence of suspicious events (such as intrusion prohibition*, retrograde, detention, trailing, etc.), and record the extracted event information and video data, thereby To achieve the purpose of real-time alarm and effective video retrieval.

The intelligent analysis system is an advanced intelligent video surveillance system that integrates technologies such as video analysis, image processing, pattern recognition, and artificial intelligence to achieve a high degree of protection for surveillance scenes. The system has the functions of perimeter prevention and item monitoring. It can be used around or inside military bases, airports, stations, ports and other buildings. It can realize intrusion monitoring and alarm, item guarding, item remaining monitoring, population statistics, scene splicing, etc. Various intelligent applications.

The high-definition bayonet monitoring system, that is, the intelligent monitoring and recording system of highway vehicles, is a kind of using advanced photoelectric technology, image processing technology, pattern recognition technology to take clear pictures of the vehicle and the face of the vehicle driver on each car in the past bayonet. A comprehensive system that recognizes the license plate of the vehicle and automatically analyzes, saves, compares, and alarms the collected vehicle data.

At the moment of improving the ability of airport governance*, prevention and control and response to emergencies, the monitoring and prevention and control of the airport’s landside traffic roads are essential. Through high-definition bayonet monitoring, real-time capture, recording and statistics of vehicles entering the airport , Can effectively improve the prevention and retrospective ability of airport emergencies, and at the same time, the data recorded in the background can be used as evidence basis for public * and other departments to detect and solve cases.

This solution adopts an embedded integrated high-definition video bayonet system (referred to as a video bayonet system) according to the actual construction situation of the airport. The system adopts a pure video detection method. The front-end camera can automatically locate, track, and capture the moving objects in the video stream image in real time, and display the passing time, location, driving direction, license plate number, All the details of the vehicle such as the color of the license plate and the facial features of the driver provide an important reference for event tracking.

The demand for intelligent management of the parking lot, with the goal of realizing the intelligent management of the parking lot, serving the fixed parking users who purchase monthly cards as the main service object, taking into account the service of temporary parking of foreign vehicles, so as to achieve convenient, fast and safe access for parking users , The management office aims to manage scientifically, efficiently, and serve high-quality civilization. It will play an important role in improving the management level and comprehensive service level of the management office. After repeated investigations, our company has carefully designed a new intelligent parking lot management system solution based on future development needs, including a solution based on non-contact IC card to achieve entrance and exit management and a solution based on license plate recognition.

In the parking lot management system based on non-contact IC card, the owner of the monthly rental card and VIP card when entering and exiting the parking lot, after the vehicle is detected by the vehicle detector, the IC card is placed in the card reading area of ​​the entrance and exit control machine Pass, the card reader reads the card and judges the validity of the card. For a valid IC card, the gate lever of the automatic barrier is raised and released and the corresponding data is stored in the database. If it is an invalid IC card or a vehicle entering or leaving the venue, it will not be released. For the temporarily parked vehicle owner, after the vehicle detector detects the vehicle, press the button on the entrance control machine to take out an IC card, and complete the card reading and release. When leaving the scene, the car owner handed the temporary card to the security to read the card and pay the parking fee. If there is no abnormal situation, the barrier will be raised and let go.

In a parking lot management system based on license plate recognition, when a vehicle with a fixed user or a VIP user enters and exits the parking lot, the vehicle detector detects the vehicle, and the entrance and exit camera automatically captures the license plate of the vehicle. For vehicles with valid license plates, the brake lever of the automatic barrier is raised and released and the corresponding data is stored in the database. If it is a vehicle with an invalid license plate, it will not be released. For the temporarily parked vehicle owner, after the vehicle detector detects the vehicle, press the button on the entrance control machine to take out an IC card, and complete the card reading and release. When leaving the scene, the car owner handed the temporary card to the security to read the card and pay the parking fee. If there is no abnormal situation, the barrier will be raised and let go.

Dahua Intelligent Parking Lot Management System is a set of non-contact smart card or license plate as the vehicle entry and exit certificate. It recognizes the permission of vehicle entry and exit by reading the IC card or recognizing the license plate. It also integrates image comparison management, character overlay, and voice A multimedia comprehensive vehicle toll management system with multiple advanced technologies such as reminder, universal query and printing. The system uses the current more advanced C/S architecture, which can be applied to both small-scale one-in-one-out parking system and large-scale multi-in-multiple-out parking system. The data is stored in the background server and used The current advanced MySQL as a database server, while possessing the unique powerful data management functions of the network database itself, it also provides users with a more user-friendly and easy-to-use user interface, which can be easily searched on any terminal. Vehicle entry and exit data, charging data and various statistical reports can be printed out in any range, order, and specifications.