Amap Tech
Aug 13, 2019 · Artificial Intelligence
Multi‑Sensor Fusion Positioning for Vehicle Navigation: GPS/IMU/Map‑Matching Solution
Gaode's solution combines GPS, IMU, odometer, visual sensors with map‑matching using a Kalman filter, addressing yaw drift, loss of fix, and road‑capture errors in vehicle navigation, especially in urban canyons, achieving over 90% road identification and significant error reductions while keeping hardware costs low.
GNSSIMUKalman filter
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