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Unread 26-04-2005, 16:07
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Re: So close yet so far.

Since lighting is inconsistent by nature, and the calibration numbers given never really worked, I have a little suggestion. If the camera system is used next year, I hate to say this, but let's try and go analog on some of the components used in the camera. Perhaps some knobs to configure and calibrate RGB or YGR (whatever cam config FIRST decides on) intensity, so that when the robot is placed on the field, calibration can be done match by match. How? Turn the knob, and when the camera gets a good reading on that particular color in its opinion, it will signal with a green light, otherwise it would stay red and request calibration. Do that for each color.

In programming, it would just return a 1 for something or 0 for nothing, and the calibration wouldn't have to be handled by the computer. (How many times did our team have to reload the program due to just a simple change in calibration?) Quite frankly, the Java application provided was too slow, and not very dependable in my opinion. This way I suggested, turn knobs, and you're on the way, that's it. Not saying that I want the easy way out, I just want a more logical and practical way to handle calibration.

-Joe
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Joeseph P. Smith
jpthesmithe.com
University of Michigan - Informatics (B. Sci. 2012)
General Purpose Programmer - Cooperative Institute for Limnology and Ecosystems Research (CILER) at NOAA-GLERL