Table 8 Effect of clutter density on contour 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 | |
\(4\times 10^{-4}\) | 1.4481 | 1.3966 | 1.3109 | 1.3026 | 0.2896 | 0.3659 | 0.3464 | 0.3239 |
\(6\times 10^{-4}\) | 1.5706 | 1.5633 | 1.4267 | 1.3773 | 0.2944 | 0.3931 | 0.3647 | 0.3298 |
\(8\times 10^{-4}\) | 1.7354 | 1.6669 | 1.4919 | 1.3963 | 0.3078 | 0.4047 | 0.3973 | 0.3379 |