United States scientists have developed a prototype of authentication system based on the use of radar, which identifies a person by form and beat of his heart. The algorithm is based on the idea that the shape, size of the heart and their changes under the contractions are also individual for each person as retinal patterns or fingerprints.
To scan the body and take readings from the heart, scientists used a Doppler radar, which is usually used to measure the speed of blood flow, to conduct ultrasound examinations, and to determine the speed of cars on the highways.
At the moment, the system is a device the size of a phone connected by a cable to a computer. The radar consists of a receiving and transmitting device, transmits information about the parameters of the heart to a computer. The computer uses special software to compare received data with already available, and then discovers who is in front of it — a legitimate owner or an intruder. In the latter case, the computer immediately blocks access to the system.
Tests showed that the system recognized the user with an accuracy of 98% from the fourth heartbeat. The test was conducted on 78 healthy participants, now the developers want to test the system on people with heart diseases and pacemakers.
The device was described in the report for the 23rd International Conference on Mobile Computing and Communications MobiCom.
Details at link: https://chrdk.ru/news/radar-opredelil-polzovatelya-po-serdtcu
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