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In 2014, the security industry gradually introduced and deepened the concept of the Internet +, thereby introducing more and more big data, intelligent, integrated industrial applications, so the idea of smart security was slowly born. After two years of development, the concept of smart security has gradually matured. Where is smart security today?
The so-called security, security is safety, for the purpose of the security industry. Defense: It is prevention, a means for the security industry. The so-called smart security is based on modern science and technology, and closely combines civil defense, physical defense, and technical defense to form a complete security system. This system can be further divided into: video surveillance, burglar alarm, intelligent analysis, building intercom, access control, etc., so as to effectively protect our daily lives such as work, study, entertainment and transportation.
The task of the video surveillance system in the "monitoring simulation era" is mainly to acquire images. With the popularization of high-definition network cameras, H.265, 4K, cloud data and other technologies, today's surveillance systems have been given three major missions: monitoring, screening and analysis. With the continuous upgrade of surveillance images, both in quality and contrast, today's video surveillance equipment is only the first and easiest step to acquire images. Then came the discrimination of the images, which put some tests on the front-end equipment's software: which are static targets, which are dynamic targets, and which dynamic targets need to be locked. After the front-end surveillance camera identifies possible targets, the intelligent security system relies on the back-end cloud technology and big data calculation and analysis functions to determine whether there are threats to the target and determine whether to activate the alarm.
If the previous surveillance cameras were just a pair of eyes, then in the intelligent security system, the intelligent surveillance camera is a guard who does not rest for 24 hours.
The anti-theft alarm system and the monitoring system have always been in a complementary relationship. As mentioned above, when the monitoring system captures the threat, it triggers the alarm system. So what about the intelligence of the burglar alarm system itself?
Whether the burglar alarm is intelligent, the most important manifestation lies in the false alarm rate. An overly sensitive alarm system generates too much alarm information, which will make people feel bored and waste a lot of manpower and material resources. Although the alarm system with poor sensitivity will not waste manpower and material resources, once the real threat alarm is ignored, the consequences will be disastrous. Therefore, the intelligence of burglar alarm equipment has always been a major issue for smart security. For the time being, you can first add home appliance control modules, biometric modules, network modules, and video modules to the burglar alarm equipment for different environments. Various functions such as home security, voice communication, home automation, and living environment monitoring are integrated into a new smart terminal entrance. Secondly, you can increase the detection types of alarm equipment: such as connecting infrared detectors, door sensors, smoke detectors, and gas detectors. Through intelligent analysis of different equipment, it is finally distinguished whether the threat is real and whether the alarm is enabled.
The access control system is the device that best matches the word "defense" in the security industry. Most other devices only work after a threat is generated, while the access control system is the opposite.
Today's access control systems are not just as simple as barriers and anti-theft doors, but are designed into a series of products with "verification" functions such as card, building intercom, biometrics and so on. The intelligence of the access control system is also mainly reflected in the combination with these "verification" equipment, such as subways, shopping malls. Intelligent access control equipment generally divides the access group into three levels: authority level, pass level and danger level. The so-called permission level is the user or manager of the access control device. They can access the access control device itself without hindrance. The most common is the campus access channel. Most teachers only need to hold a card or be recorded by the database of biometric equipment Pass or use these devices unimpeded. The second level passes the level. It is more commonly used in subways or shopping malls. As long as people who enter or leave the area through monitoring of dangerous goods or holding tickets, tickets, etc., they can be identified and assured by the equipment. The intelligence of the access control system is especially reflected in the third level: the danger level. This level is generally reflected in the wanted persons detected by the testing equipment and the thieves who go out without their belongings. At this level, the intelligent access control system will lock the entrance and exit, and at the same time activate the alarm or defense skills to keep the threat out.
For the entire smart security system, it is a combination of these intelligent devices. In this system, each set of equipment has its own responsibilities and forms an effective whole to build a security system. As more and more new concepts are introduced into the security industry, such as drones, VR, robots, etc., the scope of application of this intelligent security system will become wider and wider, and the functions will become more and more powerful.
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