Table 4 Variance estimates and localization errors, linear model with outliers, \(n=20\)
From: Robust error estimation based on factor-graph models for non-line-of-sight localization
Method | \(\alpha\) | \(\sigma ^2_R\) | \(\sigma ^2_{Q1}\) | \(\sigma ^2_{Q2}\) | C | G |
|---|---|---|---|---|---|---|
Proposed method | 0.10 | 1.69 | 0.39 | 0.15 | 0.05 | 55.87 |
with M-estimator | 0.25 | 3.57 | 0.39 | 0.15 | 4.31 | 47.98 |
| Â | Truth | 1.50 | 0.50 | 0.20 | NA | NA |
Proposed method | 0.10 | 11.19 | 1.04 | 0.59 | 94.28 | 56.00 |
without M-estimator | 0.25 | 25.37 | 0.96 | 0.73 | 570.28 | 59.37 |
| Â | Truth | 1.50 | 0.50 | 0.20 | NA | NA |