Researchers Use Wireless Signals to Recognize Emotions

ENLARGE Professor Dina Katabi, center, explains how Fadel Adib’s face, right, is neutral, but that EQ-Radio’s analysis of his heartbeat and breathing show that he is sad. Photo: Jason Dorfman/MIT CSAIL By Robert Lee Hotz Robert Lee Hotz The Wall Street Journal CANCEL Biography @LeHotz Lee.Hotz@wsj.com Sept. 20, 2016 8:00 a.m. ET 1 COMMENTS One of these days, the walls may know when you’re happy, sad, stressed or angry by using an experimental device unveiled Tuesday by researchers at the Massachusetts Institute of Technology that uses wireless signals to recognize emotions through subtle changes in breathing and heartbeat. Computer scientist Dina Katabi and her colleagues at the university’s Computer Science and Artificial Intelligence Lab developed a radar system for vital signs that uses reflected radio signals to track movements, moods…


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