Re: Good, but not good enough
I'd be surprised if detecting missing clips visually at that kind of speed is that easy
It's not too tricky.
The very first linescan camera I found on Google gives a rate of up to 80k lines/second. At 125mph, that gives you a peak resolution of ~700um without magnification (how's that for mixed units?).
Given the fairly repeatable nature of clip positioning, and the fact that they are bounded by the sleeper image, it shouldn't be a big job to detect missing clips.
Vic.