A biometric security system which had been developed by specialists of the Scientific Production Association “INFORMATION” was awarded the best innovation product title at the 12th International Exhibition "Guarding, Security and Fire Protection MIPS-2006". The system’s peculiarity lies in utilization of a 3D image of the face for identification of a person. Only within a second and a half, the turnstile equipped by this system would create and analyze such image, and take a decision based on received data – to allow or to prohibit the entrance to the person.
It should be noted that although the device does not look fantastic in outward appearance – it is something like an ordinary “three-fingered” turnstile in the underground or a railway station equipped with a small screen on the board, it is arranged interestingly indeed as it identifies persons not by common, so to say visible photographs or three-dimensional portraits but by a special portrait. As a result, the turnstile can hardly be deceived either on purpose or by accident – neither ordinary masks or guises put on by time would manage to cheat it. The portrait for identification is a special one.
The portrait is made as follows: infrared rays are aimed at the person’s face as if the rays were passed through a multitude of parallel slits (like through a fence or railings). These stripes of shadow and light bend and change on the surface of the face, this being done in a strictly individual way. The camera-recorder (also in an infrared band) captures this striped image and transmits to a PC. A PC, in it’s turn, builds a three-dimentional image by line bends with submillimetric precision, identifies it - compares with the database and opens or closes the turnstile. At the same time, it performs additional tasks – for example, it records the employee’s arrival/departure time.
Sergey Komarov | alfa
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