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Interactive medium par excellence
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Interactive medium par excellence

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Building a multi-touch panel as a school project.

Building a multi-touch panel as a school project.

Published in: Technology, Business

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  • 1. Interactive medium par excellence: Multi-touch table and its construction practical coursework by David Šmehlík and Tereza Čechová Interactive media theory Faculty of Arts 2011
  • 2. How to achieve this?Note: Atractive girl not included.
  • 3. 1. How it worksWe used a FTIR (Frustrated Total Internal Reflection) method, but there are other techniques as well.
  • 4. 2. Components we used• webcam• floppy disk• plexiglass• ir led ribbon (strip of infrared diods)• frame• video projector• projection surface capable of back projection (certain kinds of linen, Rosco Grey, curtain, in our case baking paper)• and finally a computer with necessary software.
  • 5. 3. Webcam modificationThese are little pieces of a PS3 Eye camera.
  • 6. 4. PlexiglassIt has to be 6 mm thick minimum.
  • 7. 5. Projection surfaceWe experimented here with different kinds of materials. In the end what worked work us was just ordinary baking paper.
  • 8. 6. Multi-FrameWe chose a customizable frame, originally for photographs.
  • 9. 6. Multi-FrameMy girl colleague was using a screwdriver and even soldering! Can you believe this?
  • 10. 7. Setup completion The multi-touch panel, video projector, webcamera and my laptop in one place and connected.
  • 11. 8. Software The necessary software for tracking I mentioned iscalled CCV (Community Core Vision). We are detecting blobs!
  • 12. 9. Fire After calibration process we are trying some demos out. Fire.swf feels like magic, doesnt it?
  • 13. Complete coursework thesis with a theoretical part, weblinks and literature: http://docs.google.com/Doc?docid=0AYIZZRjUymIdZGRwYjVnbnBfOGc0OHRxc2cy&hl=en Contact: akuataja@gmail.com mrs.zralokk@gmail.com