Zee Media Bureau
Washington: Researchers claim to have found a way to detect and recognise human gestures using only Wi-Fi signals.
Researchers say that the discovery could let humans control home appliances such as television, air-conditioning etc, even when placed in a different room of the house. But, other experts in the field have expressed their doubts on the new tech.
The study was conducted by computer scientists at the University of Washington using WiSee technology. The researchers say that their WiSee technology can accurately recognise 94 percent of gestures from a sample of 900.
As Wi-Fi signals are capable of passing through walls, WiSee can identify gestures made from neighbouring rooms. WiSee doesn’t need an additional sensor because the software can tentatively be used with any Wi-Fi-connected tool and a router with multiple antennae to detect Doppler shifts created by movement.
The researchers, Shyam Gollakota and Sidhant Gupta, have earlier worked with Microsoft Research on gesture recognition using sound (SoundWave) and radiation from electrical wires (Humantenna).