According to South Korea's "East Asia Daily" reported on June 3, a research team in South Korea has developed a closed-circuit television monitoring system for the first time, which can clearly identify faces 60 meters away. According to the person in charge of the project, the system can link up to 3 cameras, the monitoring range is 64 times that of the existing equipment, and 30 faces can be captured every minute. It will bring great impact in tracking suspects and investigating crimes in the future. help. The existing monitor system in Korea does not have a zoom function and has a low resolution, and can only recognize faces in the range of 7.2 meters. Even so, the monitors in Korea with a identifiable range of 7.2 meters account for only 30%, and the remaining 70% can only reach 2.7 meters. According to the research team, the surveillance system is equipped with three cameras, a thermal infrared camera that can recognize the human body temperature, a wide-angle camera that can be taken at 45°, and a camera that can zoom in 30 times, while monitoring the wide area. It is able to recognize and zoom the captured characters.
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It is predicted that the system consists of three cameras and a computer that handles the shooting data. The total cost is about 100 million won (about 560,000 yuan), which is more expensive than the existing system (30 million won). However, considering that there is no need to install a data processing system in the central control room, it is not necessary to install a camera every 7-8 meters, and the overall cost will be lower.