Accessible MultiTouch

AccessMT

AccessMT

Design• Began with PVC

Design with cardboard walls

•Decided to make a more rigid solution

Design•Created wooden

chassis

•Gave it wheels for mobility

•Developed a portable version out of PVC later

Inside AccessMT•Glossy White Paper

Walls

• Projector

•Mac Mini (Not Pictured)

• Camera

• IR Lights

• Power Strip

IR Lights•Modified IR Lights

• Tried many light orientations

•Had to create a consistent “IR Cloud”

IR Lights

Camera• Began with

Playstation Eye

•Modified with Floppy Disk

•Wasn’t high enough resolution

Camera•Upgraded to Logitech

C910

•Used same floppy disk modification

• Image wasn’t as clear as we’d like

• Switched to film negative modification

Projection Intercepting

•Need a material to intercept the projection

• Vellum worked but was grainy

•Denril replaced the vellum as a clearer solution

Software•Community Core

Vision

•Used for tracking fingers, gestures, and tags

• BSQSimulator

• Translated TUIO events into Windows 7 Touch Messages

Software

Future Work• Tagged Objects

• Allow for a tactile tabletop experience

Acknowledgements

•Dr. Shaun Kane

•Research Professor and Mentor

•Matthew Forr

•Masters Student

Demo