Whether striding ahead with pride or slouching sullenly, we all broadcast our emotions through body language. Now a computer has learned to interpret those unspoken cues as well as you or I. Antonio Camurri of the University of Genoa in Italy and colleagues have built a system which uses the depth-sensing, motion-capture camera in Microsoft’s Kinect to determine the emotion conveyed by a person’s body movements. Using computers to capture emotions has been done before, but typically focuses on facial analysis or voice recording. Reading someone’s emotional state from the way they walk across a room or their posture as they sit at a desk means they don’t have to speak or look into a camera.
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