Table 3. Result for the purse seiner filtering approach.

The seven vessels were randomly chosen from multiple parts of the world. NF stands for probable non-fishing and F for probable fishing events. Sensitivity is related with non-fishing detection, and specificity with fishing detection.

Track ID	Track Size	Accuracy	Prediction (NF)	Prediction (F)	Sensitivity	Specificity	AUC	% of Fish Activity
1	43457	0.95	1.00	0.02	0.95	0.82	0.89	0.05
2	170972	0.98	0.98	0.94	1.00	0.71	0.85	0.05
3	43369	0.96	0.96	0.95	1.00	0.36	0.68	0.02
4	18122	0.94	0.97	0.76	0.96	0.79	0.88	0.13
5	38596	0.99	1.00	0.91	1.00	0.89	0.94	0.03
6	51545	0.97	0.97	0.97	1.00	0.65	0.83	0.05
7	33484	0.97	0.97	0.96	1.00	0.64	0.82	0.05
Median±SD		0.97±0.01	0.97±0.01	0.94±0.34	0.99±0.01	0.71±0.17