How to Make a Multitouch Table - MTbiggie
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Uploaded by cerupcat on Apr 10, 2011
The bigger brother of the MTmini, the Multitouch Biggie (MTbiggie) is a low-cost multitouch solution using:
- 2 chairs
- acrylic sheet
- paper
- projector
- mirror
- infrared camera (you can make one from a normal webcam)
- computer
Shadows on the surface are tracked and sent to multitouch applications as touch positions. This technique is known as "front diffused illumination".
While this isn't the most robust and stable multitouch solution, it is a general introduction to the technology.
For more information and software downloads see:
http://sethsandler.com/multitouch/mtbiggie
You can make your own infrared camera using a normal webcam and photo negatives (video here): http://www.youtube.com/results?search_query=how+to+make+infrared+camera&aq=f
Video by Seth Sandler and Cyrus Ortiz-Luis
Music is "Good Day" by Triplefox
- 403 likes, 2 dislikes
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Uploader Comments (cerupcat)
All Comments (109)
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Please help me to check, why my display can't project align on the acrylic sheet???
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I can't download the software.
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@the109guy make one -_-
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damn wish i have a cheap but high-end pc or laptop
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Great Job! Video is very easy to understand. Hope to see more in the future!
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what name is the model projector you use..
javiimpalomera 1 day ago
@javiimpalomera casio xj-s30
cerupcat 21 hours ago
When i'm making the touch table do I have to put the paper because I like all the glosi thin....
yoavzx11 1 week ago in playlist Uploaded videos
@yoavzx11 You need something for the projector to project on.
cerupcat 1 week ago
I was wondering if this will allow me to control any windows based software that i will open up on the computer, or if there are limited games / programs, im interested in being able to manipulate autocad, Thanks i look forward to trying this if it will meet my needs.
MrDPolyak 2 weeks ago
@MrDPolyak You can do single touch within applications on Windows. IT basically replaces the mouse with a touch/tap.
cerupcat 2 weeks ago