Wide Application of Decoding Matrix in Video Security Technology

Speaking of the network digital matrix we all do not understand, the network digital matrix is ​​hxxun developed a new digital matrix system based on the actual needs of the third generation of open network video surveillance systems, designed specifically for the LCD TV wall system. It can realize all switching functions of the traditional analog matrix, and can also realize the NVR recording function.
The VGA digital matrix can be freely connected to any front-end camera channel in the system. The video channel information (such as network point information, camera position, etc.) connected to the system can be obtained in real time. At the same time, a digital matrix that can be recorded can be selected according to need, and the operation of the digital matrix can be performed. You can use the mouse or master keyboard to operate in the matrix, or you can use the main control terminal or the management center for remote operation. The digital matrix decoding channel can realize automatic, manual switching, round robin, or group (group) switching; single screen can be achieved. Multi-screen display, support for automatic alarm display and so on.
The matrix application environment is very wide: large and medium-sized factories and enterprises centralized monitoring and management, centralized monitoring and management of large and medium-sized schools, city monitoring, centralized monitoring and management system of large and medium-sized chain retail industry, construction sites, prisons, electricity, stations, banks, communities, military, warehouses The government centralized monitoring and management.
Let me briefly introduce the application of decoding matrix in various industries and fields. First of all, let me talk about the application of matrix in architectural engineering and see how it can bring our project management effect; then we will use the matrix. What role this technology can play in the city's management grid and how it contributes to creating a safe city.
Construction site network monitoring application program
Application features: (see above)
Through networked video surveillance on several hundred sites, real-time management functions can be realized by monitoring agencies such as the Construction Committee, Environmental Protection Bureau, and Safety Supervision Bureau. No large number of inspection personnel is required to check the production of illegal construction, dump trucks, and tower cranes. process. It can also perform good protection of personal safety and property on the construction site. Through matrix switching, such as grouping, synchronization, program, and alarm linkage of the digital matrix, key monitoring of fixed-point timing can be realized.
There are both ADSL 512K uploads and 2-4M leased line uploads in the site system. Different bandwidths have the best solution. Using ultra-low stream compression algorithm, the front 1.3 million / 2 million / 3 million raw bitstream full-time recording, the back-end 256Kbps sub-stream preview and video. At the ADSL site, you can see the two substreams in real time, or you can download 1.3 million, 2 million, or 3 million high-definition recordings to confirm when there is a certain point in time.
Because the power supply environment of tower cranes is poor, and the line of sight is relatively wide, it is an important position in site monitoring. A low-power backup power supply can be used to reduce the impact of the power supply. At the same time, it is recommended to use a high-definition dome camera with an imported high-definition lens more than 30 times, and transmit the video back to the site's monitoring center through the wireless bridge for the construction site. The front-end adopts a high-definition monitoring professional switch, which can remotely inquire about the connection status of each site in the center. At the same time, if the network cable is pulled, the situation can be passed through the management personnel through mail.
A touch-control platform is used to control the video wall + multiple map clients to preview the images and supervise them through a combination of GIS maps and plane maps. Mark the location of each site on the GIS map, and read face recognition records or fingerprints attendance records, statistics on the time of entry and exit of personnel at each site, special management of supervision personnel, and the working status of each equipment. To make a summary display, call the integrated project information system to display other relevant information on the current site. Double-click the icon of this site to enter the plane map of the current site for image preview, intercom and dictation and other operations, and it is very intuitive to operate the entire system.
Each sub-center strives to have at least 1-2 windows on the TV wall for each ADSL site, and each 2-4M dedicated site will display all the videos on a certain screen of the TV wall as much as possible. The general center does 1-2 roads on the TV wall at each site, and the single system can achieve 32 screens * 16 roads with more than 512 roads at the same time. This will not only fully cover all sites, but also clearly distinguish and identify each site. If there is any problem with a certain window of a certain screen, it can also find the site in time and promptly broadcast a webcast or intercom, or notify the general center to pay attention.
In order to strengthen the supervision of the supervision unit, inspection personnel will be arranged from time to time to check the work sites. The system has also made special features in the field of mobile law enforcement. The law enforcement officers installed the APP on the mobile phone terminal to display the patrol trajectory in real time at the monitoring center and archive it. This will not only make the inspection work well documented, but also ensure the safety of the inspection personnel. In units with very high confidentiality requirements, fingerprint patrol systems can also be used to prevent patrols from taking off, and trajectories and fingerprints can also be used according to project requirements. The system can also integrate personnel positioning systems on site according to project requirements.
Urban Grid Management Overall Application and Application Characteristics
Cross-border integration, innovation and governance: You can directly access videos from safe cities, social safe cities, or authorized shops or units through Internet TV terminals or mobile mobile TV clients, or you can directly receive alarm signals or perform remote arming. With disarming. The video of the surveillance industry is directly transmitted by the broadcast television system to each user after the system is transcoded, which is equivalent to the live broadcast.
Comprehensive coverage, key monitoring: (as shown above) Each sub-center strives for at least 1-2 windows of each ADSL enterprise to switch to and from the TV wall, and each 2-4M dedicated enterprise is All videos are displayed on a certain screen on the TV wall. The total center makes all enterprises and institutions have 1-2 channels displayed on the TV wall. The single system realizes 32 screens*16 channels with more than 512 channels at the same time. . Comprehensive coverage of various enterprises and institutions, but also can clearly distinguish and identify the various enterprises and institutions.
Multi-channel transmission saves bandwidth: All enterprises and institutions have both ADSL 512K uploads and 2-4M dedicated uploads. Different bandwidths have the best solution. Using ultra-low stream compression algorithm, the front 1.3 million / 2 million / 3 million raw bitstream full-time recording, the back-end 256Kbps sub-stream preview and video. In ADSL enterprises and institutions, two sub-streams can be viewed in real time, and when it is confirmed that there is a situation at a certain time, download 1.3 million/2 million/3 million videos to confirm.
Long-distance networking, saving the police force: Realizing the public security bureau's social security city, grid management office, or the local third-party security company and other monitoring organizations, through the network video surveillance and other technical means to achieve the enterprises, townships and towns within the jurisdiction The key periods of key links such as rural areas, public transportation, and school buses are monitored and managed in real time in the entire process, and a large number of inspection personnel are not required to go through inspections. For example, when a child is lost in a city or a community, we can look for it on the window, and we can also promptly inform or intercom via webcasts, or notify the general center to focus on investigations.
A touch-control platform is used to control the video wall + multiple map clients to preview the images and supervise them through a combination of GIS maps and plane maps. On the GIS map, the GPS location of each enterprise and institution is marked, and a summary display of the workforce of each enterprise or institution is performed, or the status of the equipment work can also be displayed through customized development. Other data of the institution, double-click the icon of the enterprise and enter the plane map of the current enterprise or institution for image preview, or talkback and other operations.
Trajectory tracking, security inspection: In order to strengthen supervision of regulatory agencies, law enforcement officers installed mobile phone APP, you can display the trajectory in real time in the monitoring center, and can be archived. In units with very high confidentiality requirements, fingerprint patrol systems can also be used to prevent patrols from taking off, and trajectories and fingerprints can also be used according to project requirements.
With the continuous development of science, the development of network digital matrix is ​​changing with each passing day. Both in application, performance, function, stability, and ease of operation have matured in the high-definition era. Of course, there are shortcomings: the real-time nature of audio and video transmission can not be Compared with the analog matrix, it depends on the remote host encoding speed and the network module's transmission efficiency. The effect of the transmission depends on the encoding module and the network transmission module. In short, the application of matrix is ​​everywhere, but we do not have a systematic and professional understanding of this technology. Through a brief introduction, we can make everyone have a general understanding, do not think the matrix is ​​very profound, the use of this technology is actually In the areas around our lives and work, as long as we use them flexibly, we can bring great benefits to our lives and work.
Author: Zhang cost four

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