Quote:
Originally Posted by SebC
No it wouldn't. It would just need to be more accurate than the current system.
The non-sphere problem is also not that hard to solve - triangulate 3 sensors in the puck that, and you know its orientation.
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You say that like it's the easiest thing in the world.
For any automated system to ever get approved, it would need to be extremely accurate. No one is going to accept a system that tells you the puck was within 6 inches of the goal line, or even 2 inches, or 1 inch. The current system can already tell us whether or not the puck may have crossed the line. If the league is going to invest the money in an automated system, they're going to want to know definitively that the puck completely crossed the line and they're going to want a system that is 100% accurate, 100% of the time.
Last season, there was a proposal to paint a "confirmation line" three inches behind the goal line so that if the puck was touching this line, it was confirmed to be completely across the goal line. The proposal was rejected by the league because the thickness of the ice was enough to distort the ability to accurately judge if the puck was touching the confirmation line or not depending on the viewing angle. If something as simple as that was rejected, you know the league is going to be extra-skeptical of an automated system.
Of course, the solution to the non-sphere problem is to use a minimum of three sensors and triangulate them. I would consider that considerably more difficult than just tracking one sensor. Once you've figured out how to accurately track one sensor, tracking two more probably won't be that hard, but doing the triangulation to position the puck in 3D space isn't trivial.
If it was as easy as "just put a sensor in the puck", I'm sure someone would have already just put a sensor in the puck.