Risk Prediction for Ship Encounter Situation Awareness Using Long Short-Term Memory Based Deep Learning on Intership Behaviors

Table 5

Confusion matrix under a prediction horizon of 40 seconds.

Risk level	L	LM	M	MH	H
L	893	6	13	21	15
LM	135	118	58	24	27
M	49	19	456	37	59
MH	13	16	72	431	83
H	10	13	34	102	1121
SUM	1100	172	633	615	1305
ACCURACY (%)	81	69	72	70	86