Tangible table prototype, demonstrating finger/hand detection on table surface. Basically, everything that is positioned up to 2 cm above the table, will leave a mark on the grid (a light spot). Might be considered a multi-touch table alternative (although far less accurate).

Buttons simply detect presence of a finger in framed area (similarly with the slider).

Software : openFrameworks + winXP + CLNUI library

Hardware : Kinect sensor, projector, laptop

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