Most popular axis network monitoring Shanghai port

In recent years, Shanghai Port Group has developed rapidly. Its subordinate loading and unloading units are all around Shanghai, with busy business and complicated personnel and vehicles. How to improve the overall corporate image of Shanghai port from an international perspective, create a healthy and good sustainable development environment for all handling units, and strengthen the safety guarantee of Shanghai Port Group is the top priority at present

at present, with the development of national economic construction, the continuous development of society and the comprehensive opening-up of China, the urbanization process of our country is accelerating, and the port business is developing rapidly. Both inland ports and import and export ports have put forward higher and higher requirements for the digitalization of port construction, and the digitalized port is the direction of port business development

video monitoring system is an important part of the port security system. With the continuous improvement of the digitalization of various business systems of the port, as well as the continuous development and maturity of digitalization, networking and intelligent digital video technology, how to make full use of the new networked video technology to provide intelligent services for the operation of various businesses of the port, improve the operation efficiency of port business and improve the level of productivity, It has become one of the important topics in the digital construction of ports

more importantly, in order to ensure port security and effectively prevent terrorist attacks, we must make full use of networked and intelligent video monitoring technology to quickly and accurately find abnormal conditions, generate early warning information before the crisis, and prevent major accidents and terrorist attacks

therefore, this system will build a networked, digital and intelligent video monitoring system based on the existing video monitoring system and network facilities according to the current actual situation of Shanghai port. The system will smoothly transition the original analog monitoring system into a networked video monitoring system, and make full use of intelligent video analysis technology to greatly improve the security protection of key areas of the port. On this basis, the system will further realize the integration and interaction with port related businesses, so as to achieve the goal of improving production efficiency and reducing production accidents

the construction of Shanghai port network video monitoring system will also fully take into account the needs of joint monitoring between the ports of Shanghai port. The design scheme will fully reflect the advanced concepts of information digitization, framework nodalization, function modularization and application intelligence

Shanghai port group selects the evip network video management platform produced by Shanghai Ziya Information Technology Co., Ltd. to build the overall video platform of Shanghai port. In terms of human-computer interaction, Shandong Southeast University, Shandong University of science and technology and scientific research institutes have made new breakthroughs in function, reliability, security, intelligent operation and software and hardware maintenance, and made a qualitative leap in efficiency, security and intelligence

2 overall structure of Shanghai port

Shanghai port is composed of multiple port areas, each of which includes a police station, border inspection, and one or more ports. Among them, the police station can monitor all videos, and is responsible for uploading the digital image of the port to the Port Public Security Bureau through the gate

each port area is equipped with a set of evip video monitoring professional edition, and the landing server, streaming media server, video server, retrieval server, etc. are deployed

in the docking process between the port area and the Port Public Security Bureau, Shanghai Ziya Information Technology Co., Ltd. used double-layer streaming media technology. The first layer of streaming media guaranteed the distribution and uploading of videos in the port area, and the second layer of streaming media guaranteed the reorganization and secondary distribution of videos

Figure 2 shows the on-site photos taken by the Port Public Security Bureau

3 overall structure of the port area

each port area is an independent sub area, and the network between each port area is completely isolated. In the port area, there is an all gigabit network

Figure 3 is the on-site photo of Waigaoqiao police station

Figure 4 is the structure diagram of Shanghai GANGLONG Wugang District, in which some use analog cameras +axis 7406 encoder, some use SD network cameras, and some use HD network cameras. Access to the central machine room through the network (some use optical fiber), distribute and enhance the front-end video signal through the streaming media server of evip software, and transmit it to the video server, border inspection, central control, police station for browsing and screen wall

Figure 5 shows the on-site photo of the central control room of Longwu port

4 solution

4.1 construction objective

according to the current actual situation of Shanghai international port group, build a networked, digital and intelligent video monitoring system on the basis of the existing video monitoring system and network facilities. After layer by layer selection, the customer finally decided to use axis' solution to smoothly transition the original analog monitoring system to a networked video monitoring system. The construction of Anxin Shiluo video monitoring system fully takes into account the needs of joint monitoring between the ports of Shanghai international port group, and embodies the advanced concepts of information digitization, structural nodalization, functional modularization and application intelligence

4.2 system composition

the video monitoring system is mainly composed of three parts: port field equipment, monitoring center equipment (ministerial, provincial, municipal and port terminal video monitoring centers), bearing transmission network (mainly provided by existing communication professionals), etc. The video monitoring center mainly realizes signaling control, media exchange, business management, user management, equipment management, network management, authentication and other functions. The monitoring center is composed of management server, streaming media forwarding server, digital matrix, disk array, TV wall display equipment, intelligent analysis system and emergency command system

the management server and database mainly complete the functions of business management, user management, equipment management, network management, authentication and authentication, etc; The streaming media forwarding server and the disk array jointly complete media signaling control, media scheduling, storage, distribution and other functions

the port field equipment is responsible for using the camera to collect video stream, using the microphone to collect audio stream, using the control port to collect alarm information, operating the camera pan tilt lens and storing local image information

the monitoring client software is responsible for submitting the video stream, audio stream and alarm information collected by the front-end equipment to the monitoring user through the monitoring platform, and manipulating the front-end monitoring equipment according to the requirements of the monitoring user, such as PTZ, lens, etc. The monitoring client can be subdivided into centralized monitoring client (such as TV wall) and single monitoring client (such as client software installed on PC)

4.3 functional requirements of the joint system

4.3.1 management function

· all Chinese unified interface

the system has a unified management interface, which can comprehensively and uniformly manage and control the subordinate monitoring system, image scheduling equipment, storage equipment, encoder, decoder and other equipment

· device management

supports device management functions, including adding devices, configuring devices, deleting devices, managing devices, etc; It supports device group management and can manage device groups in a tree structure

· user management

the system has user management functions, including adding users, configuring users, deleting users, managing users, etc

· permission management

the system has permission management function, which can authorize different users at different levels, and users with different permissions can operate different resources; Support multi-level permission management, and the permission management function can also be realized in the case of multi-level cascade; When different users have the same permissions, the system should be able to set and manage the priority

· log management

in order to facilitate the administrator to maintain and manage the system, the system has a log management function. The log should be able to track the user's operation process in detail, find the administrator's misoperation, and accurately locate the network problems during image scheduling; Logs have the functions of classification and grading, and can be queried according to different categories and levels; The log content stored in the system can be deleted from the system when it is not needed

· timing function

automatically timing the monitoring center system and the front-end host system according to the Beijing time released by the national radio to ensure the accuracy of the recording time

4.3.2 image scheduling function

· support concurrent viewing and on-demand by a large number of users

the system has the streaming media forwarding function, and supports a large number of concurrent users to view the image of a monitoring point at the same time. When multiple users view the image of a monitoring point concurrently, only one image is uploaded from the front-end image acquisition point, that is, only one bandwidth is occupied

· with large-scale image access capability

the system supports multi-level cascading, as well as hierarchical management and unified scheduling of user permissions and media streams, so as to realize real-time monitoring and control of multi-level video; When a single device cannot meet the requirements, system clustering can be carried out to achieve system expansion, which does not increase the complexity of the system and has unified interface management

· transmit on demand, saving a lot of network bandwidth

ad Da, a DDB, a DDC: imitate the channel selection address signal. In order to save network resources, the system has a strict bandwidth management mechanism. Video images should be transmitted in the network according to the principle of on-demand transmission. If there is no scheduling, the monitor provides a stream of performance control images, which should not occupy network resources

· support multiple network monitoring point access methods

support the unified access of monitoring points in different network environments, and the front-end monitoring images can be accessed to the system at different rates

· support PTZ control function of PTZ

remote control camera PTZ can be controlled through the management interface, including direction and focal length

4.3.3 image storage function

· front end storage is the main function, supplemented by centralized storage

the system supports a hierarchical storage mode combining front-end local storage and centralized storage. Encoder River digital hard disk video recorder and other built-in storage modules, a large number of monitoring resources are stored in the front end, and the images of key and important places are stored in the monitoring center at the same time, so as to ensure local data storage in case of network failure or congestion, avoid effective data loss, double backup of important monitoring resources, and also play the role of superior supervising subordinate work

· distributed storage, unified retrieval and on-demand

the stored data is distributed throughout the network. In order to facilitate image file retrieval, there is a unified file index record in the monitoring center database, and the index content includes the file record of the front-end stored data and the file record of the monitoring Center stored data; Through the web management interface of the management center and the video monitoring client software, the image resources stored in different places can be output and played back, and the images that need to be played back can be displayed on the output display device

· support a variety of storage methods and flexible use

from the perspective of storage trigger conditions, support timed storage, alarm storage and manual storage; Classify from storage location, support central storage and local storage, etc

· adopt advanced storage technology, stable and reliable

the monitoring platform supports iscsi/scsi/fcscsi/raid5 and other storage technologies, and users can choose and expand according to their own needs. Raid is a mature storage solution with good scalability. It has high cost performance and is widely used. It can be applied to image information access management platforms of different scales; Iscsi/scsi/fcscsi are all large storage solutions