Face recognition replaces ticket checking, and sensors sense heartbeat to find stowaways... Yesterday morning, video monitoring and alarm, urban security network monitoring, electronic patrol and other advanced technologies Security Equipment, unveiled at the 4th Beijing International Public Security Products and Technology Equipment Exhibition.  

■ Identify suspects in one second

When the reporter passed the "face recognition system" booth, the reporter's portrait immediately stopped at 20 small window On the screen of the mouth, and presents different expressions. When other When visitors pass by, the portrait also appears on the display screen in about one second. According to the staff, this system has been implemented in Tian'an during the National "Two Sessions" this year door The public security branch is put into use. The staff said that in the complex background and thousands of celebrity groups, the system automatically identifies and locates each face in one second, and then compares it with the data stored in the background system to find the person to look for. "No matter how criminals disguise themselves, as long as the facial contour remains unchanged, the system can find criminals instantly, with an accuracy rate of 96.83%."

■ Sensing the heartbeat to find the stowaway

In a jeep parked at the booth of the vehicle safety inspection system, the reporter saw that two rectangular white small ones with the size of a palm were placed at the front and rear of the jeep Box Both boxes are connected to the computer by wires. When there is no one in the car, nothing happens on the computer screen. When a person gets on the car, the red color on the computer screen lamp It will flash continuously.  

The reporter learned that this system, which uses sensors to sense the heartbeat of people and check whether there are people in the car body, is called "Soushen". As long as someone hides in the car, no matter how big the car body is, how secretive the person is, or how many obstructions he is hiding in, "Soushen" can sense the heartbeat, so as to find someone in the car. The staff said that such a system installed at border checkpoints could quickly detect stowaways.  

■ Real time location of family members

"This system can locate and query the location information of the elderly, children and patients in your family to help you find your family." In the exhibition area of Beijing Security Service Corporation, many visitors have questions about a machine the size of a mobile phone. According to the engineer of the alarm reception center, the small instrument is called LBS personal location terminal. As long as you carry this machine, you can locate it in real time through the Internet, and the security guards in the city can also locate it. In case of danger, the security guards can also help in time. "That's great. Let the children go out and take this machine with us in the future, and we will feel more relieved." A visitor sighed.  

The staff told the reporter that the instrument also has the call function of the mobile phone, and has a key Alarm, one touch medical service and other functions. At present, the Municipal Security Service Corporation has set up 37 police reception and handling platforms and more than 5000 security teams in the city, and has realized sharing and linkage with the Public Security 110, which can help users of personal location terminals at any time.