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Transforming Interactive Experiences with AccessMT: A Multi-Touch Design Journey

AccessMT began with an innovative design using PVC and cardboard, eventually evolving into a more rugged portable version featuring a wooden chassis with wheels. The project incorporates glossy white paper walls, a Mac Mini, camera, and modified IR lights to create a consistent “IR Cloud” for accurate tracking. Upgrades included transitioning from a low-resolution Playstation Eye to a Logitech C910 camera for clearer image capture. Key software like Community Core Vision and BSQSimulator was used for gesture recognition, enabling a tactile tabletop experience.

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Transforming Interactive Experiences with AccessMT: A Multi-Touch Design Journey

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  1. Accessible MultiTouch

  2. AccessMT

  3. AccessMT

  4. Design • Began with PVC Design with cardboard walls • Decided to make a more rigid solution

  5. Design • Created wooden chassis • Gave it wheels for mobility • Developed a portable version out of PVC later

  6. Inside AccessMT • Glossy White Paper Walls • Projector • Mac Mini (Not Pictured) • Camera • IR Lights • Power Strip

  7. IR Lights • Modified IR Lights • Tried many light orientations • Had to create a consistent “IR Cloud”

  8. IR Lights

  9. Camera • Began with Playstation Eye • Modified with Floppy Disk • Wasn’t high enough resolution

  10. Camera • Upgraded to Logitech C910 • Used same floppy disk modification • Image wasn’t as clear as we’d like • Switched to film negative modification

  11. Projection Intercepting • Need a material to intercept the projection • Vellum worked but was grainy • Denril replaced the vellum as a clearer solution

  12. Software • Community Core Vision • Used for tracking fingers, gestures, and tags • BSQSimulator • Translated TUIO events into Windows 7 Touch Messages

  13. Software

  14. Future Work • Tagged Objects • Allow for a tactile tabletop experience

  15. Acknowledgements • Dr. Shaun Kane • Research Professor and Mentor • Matthew Forr • Masters Student

  16. Demo

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