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Open Lab  dot  May 11, 2009

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Zenitum is having its 3rd exhibition now on Friday the 15th of May.

Like the previous ones this will be kind of a release party with catered food and wine for all visitors.

IMG512 will show our latest multi-touch screen with our Second Life client and a few other multi-touch applications. Please feel free to join us!

Further information in English

Further information in Korean

Email info@img512.com for more information
Exhibition, Koala, Multi-Touch

Koala Hyaku  dot  April 24, 2009

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We have been really busy lately building, calibrating, and developing software for our new multi-touch screen.

It's another prototype in the Koala series called Hyaku. The screen size is 100" and it uses IR-lasers for illumination. Hyaku's performance is much better than our previous prototypes and it is less sensitive to ambient light.

During the construction of the screen we have also been working on implementing support for multi-touch in a Second Life client. We made gesture recognition for navigation, camera panning, zoom, left and right click. We also created an in game menu for the multi-touch settings which often comes in handy.

Koala, Multi-Tocuh, ReacTIVision

Air Hockey Update  dot  March 3, 2009

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We have made a couple of updates to the Multi-Touch Air Hockey game. Mostly graphical stuff like new textures, 3D models and shadows, but also improved score count and limited mallet movement. The mallets cannot move over to the opposite side of the table anymore. We had some serious problems earlier with some of the people in the office that couldn't resist cheating : )

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We're gonna release this little game as freeware within a near future...
Koala, Air Hockey, OpenGL, Tocuhlib

Bidirectional LED sensing  dot  March 3, 2009

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Lately we’ve been experimenting with bidirectional LED sensing using Arduino. Our goal is to make some kind of multi-touch interaction using this rather ignored technology. We got the idea like most people that have been experimenting with this lately from Jeff Han’s mysterious video.

After a lot of testing and searching on the internet we’ve come up with numerous ways of doing similar things. So far our experiments with pre-made LED matrix's have not been very successful, but using individual LEDs in rows and grids have worked out well.

Here’s a little video of our progress so far. The input from the LED’s are controlling different audio tracks or samples. On the screen, audio output and sensor input are indicated by the visualization.

LED sensing, Bidirectional, Arduino, Processing