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lcuk is offline lcuk
2010-07-16 , 16:45
Posts: 1,635 | Thanked: 1,816 times | Joined on Apr 2008 @ Manchester, England
#11
Originally Posted by ysss View Post
Nice!

What is the minimum # of light spots required? Do you have to pack a string of christmas-tree LED arrangement for it?

This would be awesome for interactive display in museums and such. For commercial applications, I guess you can tie the content with the light configuration too....

Hmmm possibilities... possibilities...

currently, it looks for 3 brightest lightspots coming in from the camera with a close ratio on the distance between them (2:2:1)

from these, I can guestimate distance rotation and position.

The video I uploaded is using a picture shown on another n900 to supply the spots (another app would be high 5 )

currently there is no barcode style information in the detection routine but it has crossed my mind to allow numeric identifiers to be stored within there (using a sierpinski layout)




this is the camera view showing detected elements

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2010-07-16 , 16:48
Posts: 1,635 | Thanked: 1,816 times | Joined on Apr 2008 @ Manchester, England
#12
Originally Posted by Texrat View Post
I also recall a cluster of us discussing this excitedly outside that night club during Maemo Summit 2009, how useful proximity detection could be. I knew if anyone could crack it that it would be you lcuk!
never left my head
I have had some crazy ideas about how to pull this off, but it seemed the simplest and most reproducible, even though it needs extra hardware.
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2010-07-17 , 14:02
Posts: 1,635 | Thanked: 1,816 times | Joined on Apr 2008 @ Manchester, England
#13
I just uploaded another video to youtube showing the liqmouse concept
it is not a working prototype and is just visualisation of the idea

http://www.youtube.com/watch?v=cdVqdfFdL3Q
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