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Our Multi-touch mini

For our first prototype we built a very cheap and simple mini multi-touch input device for testing.

Building a small portable multitouch pad allowed us to test software and experiment on a smaller scale while building our larger prototype table.

The MT-mini uses Front Diffused Illumination, with normal ambient light and a regular webcam with the IR filter still in place.

Materials required:

  • A cardboard Box
  • A glass picture frame with the back support and picture mount removed.
  • Tracing paper
  • A Webcam (we used a microsoft vx1000)
  • Computer (we tested our MT mini on both Mac and PC laptops)
  • Touchlib or T-beta opensource software

This proved to be a great introduction to multi-touch technology especially blob and gesture recognition with Touchlib open source finger tracking software.

We practiced using the photo application,  the physics demo, ripples and smoke.

You can see a short video of our Multi-Touch Mini box in action:

Multi-Touch Mini Pad from Tourism In Touch on Vimeo.

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