Hacker News new | ask | show | jobs
by TwiztidK 740 days ago
I'm really curious how this would've looked if he'd taken a mid-range budget approach to vision instead of being able to throw (tens of?) thousands of dollars of industrial motion capture cameras at it. Something like 2-4 global shutter cameras, all running a similar vision filter to what he first demo'd, feeding a kalman filter/state estimator to determine the ball's position. I can't blame hime for following the mantra of "don't build what you can buy (or get from a sponsor)" but it would be cool to see some affordable solutions (or attempted solutions) to this problem.
2 comments

(I'm the person who made it) Yeah that's fair, but at least for me I wanted to focus on the interesting part of "making a foosball robot" which is the "foosball" part, not the "fiddle with a home built vision system that doesn't actually work" part. I realize this is a bit ironic given my channel name though haha (From Scratch).
There was a post on HN where someone did positional tracking with cheap $5 Playstation Eye cameras and some infrared LEDs, so its definitely do-able.