Our top picks for Kinect ingenuity #10

Engineers at Purdue University have developed a system that allows individuals to interact with programs on a computer screen projected onto surfaces such as tables or walls. The system, which employs a Kinect sensor, identifies the fingers of a person's hand while they are touching any plain surface. It also recognizes hand posture and gestures, revealing individual users by their unique traits. What is more, it allows more than one person to use a surface at the same time and enables people to use both hands, because it can distinguish between the right and left hand. Research indicates the system is 98% accurate in determining hand posture, which is critical to recognizing gestures and carrying out commands.

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