Comment on How Hyper built a 1M-accurate indoor GPSparentComments−thijson1yThere's something called a Kalman filter:https://en.wikipedia.org/wiki/Kalman_filterIt can combine several inaccurate sources and output a result that is more accurate than any one of them.I was at an Amazon Fresh grocery store, and saw squares in the ceiling that look like QR codes. I guess that's how they are mapping the store.
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There's something called a Kalman filter:
https://en.wikipedia.org/wiki/Kalman_filter
It can combine several inaccurate sources and output a result that is more accurate than any one of them.
I was at an Amazon Fresh grocery store, and saw squares in the ceiling that look like QR codes. I guess that's how they are mapping the store.