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Visual alarm technology and its development overview
In recent years, with the development of science and technology, the functions of various front-end detection devices have become more and more complete, the surveillance cameras have become more and more clear, and the functions have become more and more powerful. The front-end detection device is an intelligent video analysis technology and is used in alarm systems to provide in-depth applications. The visual alarm associated with detectors and video surveillance becomes a new model.
At present, the front end of the visual alarm system is mainly composed of an alarm device and a video monitoring device. The center of the system is mainly composed of a cloud server and an alarm platform. The intelligent video alarm system is more powerful in function and provides real-time video viewing service to prevent false alarms. The smart camera itself is compatible with the function of the alarm host, and has alarm linkage function. For example, it can directly communicate with various front-end detectors, which can cause abnormal device loss. Line Alarm, Linkage Capture, Linkage Video, etc.; Support mobile phone to browse video, receive SMS, alarm information, etc.; Through the alarm platform, when the alarm event occurs, the alarm position can be accurately determined; and the back end has a large amount of storage capacity, can effectively off-site Storage of relevant data to facilitate the query; more intimate is that the original alarm system can be seamlessly connected to the new system platform without modification.
In the Internet age, the alarm service pays more attention to the accuracy and visualization. If the perfect linkage mechanism of the alarm detector and the intelligent monitoring host and the development of the intelligent video analysis technology are not established, the visual alarm information is also limited and lacks the basis for accurate monitoring. Therefore, in the "Internet +" era, the "intelligence" and "visualization" of alarms will lay the foundation for the development and future of alarm services!
With the development of alarm service industry and the maturity of various application conditions, such as the popularity of networks (3G, 4G, and fiber), the gradual popularity of network tariffs, and the popularity of smart phones, visual alarms are being widely used in the field of networked alarms. It is also called "there is a picture and the truth." In this way, unnecessary risks due to false alarms are effectively reduced, and manpower, material resources, and other costs are reduced. In particular, when large-scale networking is implemented, when the amount of concurrent alarm information is large, the system needs to be stronger. Data processing capabilities. In the future, video analytics such as video analytics, behavioral analysis, massive video data retrieval, video abstraction, video enrichment, and face recognition will all be used in alarm service systems. These technologies form the basis for early warning and quick handling of dangerous situations.
The visual alarm system is a distributed software system for telecommunication-level video servers and real-time alarm platforms, network video storage, distribution, and real-time SMS alarms. Multiple network cameras send video from different places to the central platform at the same time. The central platform saves these video data, alarm data, and logs. Users can monitor and playback videos via computers and smart phones.