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The number and average precision of correctly recognized facial expressions under two kernel functions.
| Emotion | Test set | SVM | WF-SVM |
|---|---|---|---|
| Anger | 32 | 24 | 28 |
| Contempt | 5 | 2 | 4 |
| Disgust | 46 | 40 | 42 |
| Fear | 12 | 9 | 11 |
| Happiness | 56 | 50 | 54 |
| Sadness | 15 | 10 | 12 |
| Surprise | 70 | 62 | 69 |
| Average precision | — | 83% | 93% |
