Forget to turn off the lights before leaving the apartment?
No problem. Just raise your hand, finger-swipe the air, and your lights will
power down. Want to change the song playing on your music system in the other
room? Move your hand to the right and flip through the songs.
University of Washington computer scientists have developed
gesture-recognition technology that brings this a step closer to reality.
Researchers have shown it’s possible to leverage Wi-Fi signals around us to
detect specific movements without needing sensors on the human body or cameras.