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KF5JRV > TECH 02.07.19 19:35l 25 Lines 1788 Bytes #-2427 (0) @ WW
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Subj: Heartbeat Biometrics
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The U.S. Special Forces are developing a device that can detect aperson’s unique cardiac signature using an IR laser from a dis
tance. ThePentagon’s special project nicknamed “Jetsonö can work from a 200 meterdistance — improved versions could enable even
longer distances.Steward Remaly, of the Pentagon’s Combatting Terrorism Technical SupportOffice who worked on the project, cla
ims that the device is accurateover 95 percent of the time according to MIT Technology Review — thatis, if the conditions are r
ight.Infrared — like the heart rate sensor on an Apple Watch — can pick up onthe changes in how much light is reflected in a bl
ood stream and caninfer a person’s pulse from that. Jetson, however, analyzes tinyvibrations on the surface of the skin to dete
ct a heartbeat — and thatworks just as well through a layer of clothing.Better BiometricThat means it’s useful in situations wh
en a biometric facial recognitionsystem fails to get a good view of a target’s face. “Compared with face,cardiac biometrics are
more stable and can reach more than 98% accuracy,Remaly told MIT Technology Review.While the technology is impressive, the dev
ice takes about 30 seconds toget a good read. That means a target needs to be either sitting orstanding still.The U.S. armed fo
rces would also need to start creating a cardiacsignature database from scratch for the device to be of any use.
73, Scott kf5jrv
KF5JRV @ KF5JRV.#NWAR.AR.USA.NA
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