Amazon’s Just Walk Out technology is both extremely cool — just grab what you want and walk out the door, no checking out or paying necessary — and extremely complicated. Amazon’s system uses computer vision, which requires a complex system of cameras and sensors just to make the whole thing work.
The system is pretty straightforward: each item, in this case mostly clothing, gets an RFID tag that looks like a normal clothing tag. Customers come into the store, pick out what they…
