Table 9 Effect of clutter density on centroid estimates RMSE and PCRLB in the second scenario
From: Gaussian processes based extended target tracking in polar coordinates with input uncertainty
\(\lambda _{c}\) \(({\text {m}}\cdot {\text {rad}})^{-1}\) | RMSE (m) | PCRLB (s) | ||||||
|---|---|---|---|---|---|---|---|---|
GP-PDA | IGP-PDA TS | IGP-PDA SS | IGP-PDA MC | GP-PDA | IGP-PDA TS | IGP-PDA SS | IGP-PDA MC | |
\(4\times 10^{-4}\) | 3.1906 | 2.8922 | 2.6846 | 2.0780 | 0.2486 | 0.3162 | 0.3031 | 0.2690 |
\(6\times 10^{-4}\) | 3.7027 | 2.9171 | 3.0777 | 2.3545 | 0.2983 | 0.3454 | 0.3225 | 0.3029 |
\(8\times 10^{-4}\) | 4.1441 | 3.1472 | 3.9250 | 3.1587 | 0.3596 | 0.3670 | 0.3375 | 0.3126 |