Table 3. Performance of the features.
| TP | Screams (TP+FN) | Others (TN+FP) | |
|---|---|---|---|
| Event Power | 93.50% | 85.40% | 24.50% |
| High frequency content 2 | 74.50% | 59.60% | 13.40% |
| High frequency content 3 | 85.60% | 78.40% | 32.30% |
| Formant structure 4 | 30.10% | 21.60% | 3.70% |
| Formant structure 5 | 86.90% | 66.20% | 10.60% |
| Formant structure 6 | 93.50% | 79.80% | 44.30% |
| Formant structure 7 | 93.50% | 82.20% | 45.10% |
| Formant structure 8 | 86.90% | 69.50% | 25.10% |
| Event variability | 75.20% | 57.30% | 12.60% |
| Event duration | 91.50% | 85.40% | 52.00% |
The percentage of True Positives (TP), all screams and other sounds that satisfy each feature’s threshold. Or in other words the percentage of TPs that receive a vote from each threshold.