Didi Tech

Sep 20, 2019 · Mobile Development

How Didi Maps Engineered Scalable AR Navigation for Airports and Malls

Didi Maps' chief engineer explains how the team tackled weak GPS signals in large indoor venues by building a 60,000‑square‑meter 3D map, achieving sub‑0.5 m monocular visual localization, and fusing inertial data with Google ARCore to deliver real‑time AR navigation on Android devices.