NAVDRIFT ATE
0.38m
Raw IMU ATE
14.62m
Uncertainty σ
0.45m
Latency
2.3ms
NavIC L5 / S-Band
7 Satellites locked
Steps Processed
1,240
Outages Handled
4
📍 City: Delhi (Connaught Grid)
🛰 GNSS Mode: NavIC Locked
28.6315° N, 77.2167° E · 48 km/h
Covariance Uncertainty Radius
0.45m
Algorithm Performance Benchmark
| Method |
Mean ATE |
Max Drift |
| NAVDRIFT-0 |
0.38 m |
0.94 m |
| EKF Baseline |
4.12 m |
9.80 m |
| Raw IMU DR |
14.62 m |
38.40 m |
01
IMU Preprocessor
6-DOF Denoising & Calib
➔
02
DRIFT-Former
Causal Transformer RoPE
➔
03
NavIC VAE
Visual-Spatial Constraints
➔
04
SNAP Corrector
Differentiable Recoil Fix
➔
05
EKF Fusion
Uncertainty Covariance