CREU Project Blog

November 16, 2007, 7:40 pm
Filed under: Uncategorized

Here is a quick recap of our idea inspired by Johnny’s youtube video   We are going to have an IR LED array just like the one in the video and behind the array will be a webcam.  We will then cover it with something transparent and spherical looking object as our multi-touch surface.  The whole purpose of this is that we are hoping to capture the IR light that bounces off the finger using the camera, and we can use this information to track finger movements.  As for the experiment, we weren’t able to get any IR Led from the ECE electronic shop because they don’t have any.  So we are currently ordering some from Ebay.  In the meanwhile I have a wii sensor bar lying around so we did some experiment with that but apparently the IR light emitting from that is not strong enough.  So we end up having to place our finger really close to the camera, and instead of tracking blobs, we only see a blur.  We will have more conclusive results when the IR LED comes in the mail next week.


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