SixthSense is a wearable gestural interface device that augments the physical world with digital information and lets people use natural hand gestures to interact with that information. It was developed by Pranav Mistry, a PhD student in the Fluid Interfaces Group at the MIT Media Lab. Components and principles: The SixthSense prototype is composed of a pocket projector, a mirror, and a camera. The hardware components are coupled in a pendant-like mobile wearable device. Both the projector and the camera are connected to the mobile computing device in the user’s pocket, working such as : The projector: projects visual information, enabling surfaces, walls and physical objects around the wearer to be used as interfaces; The camera and hands: recognizes and tracks the user's hand gestures and physical objects using computer-vision based techniques. The software program: processes the video stream data took by the camera and tracks the locations of the colored marker
