IV system S in the Safe City Monitoring System Maintenance System - monitoring system, safe city - Security Industry

With Safe City Works in the rapid advance across the country, video surveillance systems of infrastructure has taken initial shape, and achieved remarkable results, generated by the driving effect of gradually varying degrees in many parts of the country, different areas have expanded.

The video image acquisition, transmission, display, storage, platform features such as integrated management of the city is gradually able to meet some basic requirements of video surveillance. A typical front-end video surveillance system the city has a sufficient number of cameras can Monitoring Under the jurisdiction of the lot; a video matrix switch to high-quality images can special control room TV on the wall, real-time control Head Fast track suspicious targets camera; a VCR for video archiving, integrated management platform for networking with Alarm Comprehensive treatment. Large-scale video surveillance system has gradually become an important part of Strengthening Police and powerful means of maintaining social order.

However, the increased number of surveillance cameras to monitor the continued extension of the time, but also to Monitoring System Maintenance work has brought new challenges. How to keep abreast of the operation of front-end video equipment to ensure that large-scale video surveillance systems use long-term stability? It would be safe long-term urban development should be of concern later.

Safe City status monitoring system 22 cities with the 2008 Security Alarm System Strengthening Police pilot and the second city has acceptance model building, marking the successful conclusion of pilot safe city. The security monitoring system as a safe city urban construction, public security, "police training and technology" and the Public Security Information The main content will gradually build from the system to operation and management phase transition. In the system application phase, after completion of the application of large-scale systems? How closely and public security operations, to play their best performance? How to maximize the effectiveness of the construction of the embodiment of the system? Such questions are bound to be gradually drawing attention.

For now, the Safe City Video Surveillance System, operation and maintenance is usually completed by hand. Maintenance staff in the center control room, by simulating the matrix or digital video remote video streaming server will bring up to the monitor, the man every way to judge the quality of the video, and video recording in question to the maintenance report. This work is very time-consuming and arduous, so general maintenance work will be two weeks or a month periodic inspection cycle, video failure only Detect When I could find.

The monitor as the limited number of maintenance personnel are often the monitor in a monitor multiple cameras simultaneously or randomly selected Camera Show, resulting in some control points are missing to see or neglected; In addition, the maintenance staff has some uncertainty, arbitrariness and limitations, coupled with the limited human attention, fatigue, interference will be other things to make this objectivity is not a manual test results. This is not only time consuming manual maintenance, but not good, there are different video signals in the common fault, often can not be maintained in time found that formed part of the camera or video information is not saved, or even with video footage is of poor quality, can not get valuable information from the content. In this case, there is no good in the video information in the event of unforeseen circumstances or the merits, look at the video you want to transfer information, but could not obtain sufficient information to enable good video video surveillance system can not play good effect. The intelligent video analysis Technology Continues to mature as the solution to this problem provides a more complete solution.

Intelligent video analysis technology and its development Intelligent video (IV, Intelligent Video) from computer vision (CV, ComputerVision) technology (computer vision technology is one branch of artificial intelligence research), it is in the image and the relationship between the image description, so that the computer through digital image processing and analysis to understand the content of the video screen, to automatically analyze and extract the video source key information purposes, that is, intelligent video analysis technology (IVS).

90 years since the 20th century since the birth of intelligent video analysis technology, after several years of development, which originated in computer vision technology gradually along with commercial applications are increasing people's general attention. Some analysis of domestic and professional video manufacturers have also launched a variety of different forms of products such as intelligent video server, intelligent network cameras, intelligent analysis of hard disk recorders, intelligent video analysis software. As a high-end video surveillance applications, such as perimeter detection, behavior analysis, video features such as fault diagnosis in all key sectors have been successfully applied, and gradually show power. Take control system safe city, its the one hand, mainly in some important sections of communities, public places so as to appear by video surveillance way alarm monitoring suspicious targets. On the other hand are concentrated in the latter stage of monitoring system operation and management process, to the front through the video analysis to detect common faults with the video camera image quality is low, to achieve an effective monitoring system maintenance.

Video quality diagnosis system innovations in the field as a security product, is the video analysis technology in the safe operation and maintenance of urban monitoring systems typical application, is relatively widespread application of a product. It is mainly used in large-scale monitoring system control center, monitoring center by controlling the switching matrix host the video output or connect digital video streaming, front-end management server to obtain all the camera's video signal, there's snow on the video images, scrolling, fuzzy, color cast, picture freeze, gain imbalances and loss of control, and other common camera head failures and malicious destruction of shelter and illegal surveillance equipment, and make accurate judgments and alarm information; in the growing video surveillance equipment, today, its monitoring system application, must be more conducive to help users quickly control the front-end equipment operation, easy maintenance of large-scale security systems.

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