Extreme Tech blog explains the Cognitive Technology Threat Warning System (CT2WS):
There are two discrete parts to the system: The 120-megapixel camera, which is tripod-mounted and looks over the battlefield (pictured below); and the computer system, where a soldier sits in front of a computer monitor with an EEG strapped to his head (pictured above). Images from the camera are fed into the computer system, which runs cognitive visual processing algorithms to detect possible threats (enemy combatants, sniper nests, IEDs). These possible threats are then shown to a soldier whose brain then works out if they’re real threats — or a false alarm (a tree branch, a shadow thrown by an overheard bird). [...]Sebastian Anthony of Extreme Tech has more: here.
In short, CT2WS taps the human brain’s unsurpassed ability to recognize objects. In testing, the 120-megapixel camera, combined with the computer vision algorithms, generated 810 false alarms per hour; with a human operator strapped into the EEG, that drops down to just five false alarms per hour. The human brain is surprisingly fast, too: According to DARPA, CT2WS display 10 images per second to the human operator — and yet that doesn’t seem to affect accuracy. The total overall accuracy of the system is 91% — but that will improve as DARPA moves beyond the prototype stage.
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