Research Article
Improved Vessel Trajectory Prediction Model Based on Stacked-BiGRUs
Algorithm 1
Anchor Trajectory Elimination.
| (i) | Input: trajectory to be processed , number of trajectory point , anchoring speed threshold , sailing speed threshold , Detection length | | (ii) | Output: processed trajectory | | (1) | | | (2) | For in do//Start identifying anchoring point | | (3) | If < and all in meet | | (4) | Mark as an anchor point | | (5) | For in do//Start identifying sailing point | | (6) | If > and all in meet | | (7) | Mark as an sailing point | | (8) | Delete the trajectory between and //Eliminate anchor trajectory | | (9) | Break | | (10) | End If | | (11) | End For | | (12) | End If | | (13) | End For | | (14) | Return |
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