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Unread 08-01-2012, 22:22
theprgramerdude theprgramerdude is offline
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Re: Vision: Object Identification

Quote:
Originally Posted by Tom Line View Post
/sourgrapes mode

Ever since 2007, people have asked for the lighted vision targets back. 2010 was a huge improvement with the white/black circles and was doable. In 2011, the gray retroreflective tape placed on and around gray reflective aluminum was pretty unusable for most teams. Now, we get dark gray reflective tape next to black all placed on smoked lexan with bright gray aluminum rectangles behind it.

I sometimes wonder if the FIRST GDC has a single controls/vision programmer left on the committee.

While I'm at it, someone tell the guy doing the prints that measurements for WOOD construction don't go out to the second decimal place. XX.88 or XX.31 are not really valid dimensions for carpentry work.....

/end sourgrapes mode
The tape is retro-reflective. Attach some bright LED's to your robot to light them up in any color you want, and you can have some very bright colored rectangles be easily seen by the camera at any angle. If you choose something other than white/gray/silver/black, like red or green, it's simple work to extract that color and analyze the rectangles that result.
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