RENCI Vis Group Multi-Touch Blog

Developing multitouch hardware and applications for research and experimentation.

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Duke Multi-Touch Wall Development - System

11 November, 2008 (19:01) | Duke Multi-Touch Wall

The Duke Multi-Touch Wall uses 8 cameras to detect touches across the large 13.5-foot wide x 5-foot tall screen. These cameras are connected via network cables to a Camera Control Node where a separate instance of Touchlib is running for each camera. The Camera Control Node handles the image processing and blob tracking for each camera separately. These touch events are all then routed to another “composition” process which eliminates duplicate touches due to overlapping camera boundaries and assigns unique touch IDs.

This process then sends the stream of unique touches to the gesture engine (running on the Windows or Linux display machine) which interpret them as gesture events. These gesture events are finally sent to the client application to manipulate windows, data, etc.

The Duke Multi-Touch Wall System

The Duke Multi-Touch Wall System.

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Comments

Comment from admin
Time: December 16, 2008, 3:28 pm

By the way, all questions and comments need to be submitted in English.

Thanks.

Comment from Bella
Time: December 21, 2008, 12:28 pm

прекрасно, удивительно, великолепно, замечательно! -)

Thanks, but please post your comments in English.

-Admin

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