ANAnita Neupaneintech-decoded.hashnode.dev·3d ago · 5 min readHow ARKit Knows Where Your Phone Is: A Beginner's Guide to Visual-Inertial Odometry (VIO)Imagine opening an AR app and placing a virtual chair in your living room. As you walk around it, the chair stays exactly where you placed it. How does the phone know where you moved? GPS isn't accura00