Table 4.

The evaluation indicators under different IoUs.

IoU	TPR (%)	PPV (%)	AP (%)	F1 (%)
≥0.2	88.73	99.82	95.64	93.95
≥0.3	87.75	98.71	92.38	92.91
≥0.4	85.95	96.69	89.31	91.00
≥0.5	80.72	90.81	80.88	85.47
≥0.6	72.22	81.25	68.73	76.47
≥0.7	52.29	58.82	36.97	55.36

These evaluation indicators are calculated based on 600 positive data items in the test dataset.