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Re: Reflective Tape
That all depends on how you're detecting the retro-reflective tape. This tape is like like what you see on road signs at night - it reflects light back towards the source (on the road, that means reflecting your headlights back towards your car so you can see the signs, instead of up into the sky). In order to get it to work the best, you'll need to shine some sort of light up at the target for the camera to be able to more easily pick it out.
If you're shining a blue light at the target, then your blue background could cause a problem. If you're shining a red light at the target, I wouldn't worry about it.
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