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Table 2 Collision risk correlation index change

From: A second-order dynamic and static ship path planning model based on reinforcement learning and heuristic search algorithms

Index

Step1

Step2

Step3

Step4

Step5

Step6

DCPA

1.990

0.533

0.145

0.479

1.212

1.521

TCPA

17.39

10.21

6.89

13.84

16.33

19.92

CRI

0.174

0.512

0.801

0.455

0.244

0.169