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Unread 14-01-2011, 10:17
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mwtidd mwtidd is offline
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FRC #0319 (Big Bad Bob)
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Re: FRC 2011 Vision Tracking

Quote:
Originally Posted by Greg McKaskle View Post
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If you've read the tutorial, it mentions robot mounted lighting. Have you built one? Do your images look something like the ones in the tutorial? The next step is to use something such as color threshold or subtraction of an unlit image from a lit image. This refers to flashing the light near your own camera. With either of these approaches, you'll have a binary image. Adjust the threshold or other factors until this isolates the targets. Note that when viewing a binary image, be sure to right-click on the image viewer and choose the palette for binary.\
Thanks for this tip, I didn't even think of the lit vs unlit. I think a combination of the two will be the best way to go, The white inner tubes mimic the reflective tape, so you need to use the color threshold to tell the difference. However if you're just doing it in autonomous the lit vs unlit should suffice.
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