Abstract
LightBee is a novel hologrammatic telepresence system featuring a self-levitating light field display. It consists of a drone that flies a projection of a remote user's head through 3D space. The movements of the drone are controlled by the remote user's head movements, offering unique support for non-verbal cues, especially physical proxemics. The light field display is created by a retro-reflective sheet that is mounted on the cylindrical quadcopter. 45 smart projectors, one per 1.3 degrees, are mounted in a ring, each projecting a video stream rendered from a unique perspective onto the retroreflector. This creates a light field that naturally provides motion parallax and stereoscopy without requiring any headset nor stereo glasses. LightBee allows multiple local users to experience their own unique and correct perspective of the remote user's head. The system is currently one-directional: 2 small cameras mounted on the drone allow the remote user to observe the local scene.
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