Quote:
Originally Posted by faust1706
you might as well threshold the other two channels as well since it is already split, it doesn't hurt.
I only use this as a fail safe. Regular thresholding works, and differentiating based off the characteristics off the remaining pixel clusters.
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Ideally, from a memory and processing time perspective, in this case you would get the camera to send you a pure grey image.
If you get the camera image in RGB format, you can discard 2 of the channels and just treat that as your grey image. If you get it as a Y??? image, you can just keep the Y channel.
Converting to an HSV image for thresholding is a bit of a waste in this case.