Table A3.
Confusion matrix of ICA and HMM using Cohn-Kanade (CK), JAFFE (JA), and AT&T (AT) databases of facial expressions (Unit: %).
| Happiness | Sadness | Anger | Disgust | Surprise | Fear | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CK | JA | AT | CK | JA | AT | CK | JA | AT | CK | JA | AT | CK | JA | AT | CK | JA | AT | |
| Happiness | 69.2 | 65.7 | 63 | 6.2 | 9.5 | 10 | 5.4 | 4.6 | 6.8 | 5.1 | 6.9 | 7.9 | 6.0 | 5.7 | 5.9 | 8.1 | 7.6 | 6.4 |
| Sadness | 2.8 | 9.6 | 9 | 71.3 | 69 | 71.7 | 8.6 | 3.7 | 5.1 | 5.8 | 4.8 | 3.8 | 7.7 | 6.9 | 6.1 | 3.8 | 6 | 4.3 |
| Anger | 4.7 | 3.6 | 4.3 | 8.7 | 4.9 | 5.6 | 73.9 | 77.4 | 73.9 | 5.9 | 3.8 | 4.6 | 0 | 4.3 | 3.7 | 6.8 | 6 | 7.9 |
| Disgust | 4.9 | 4 | 3.7 | 8.7 | 6 | 4.9 | 7.9 | 6.2 | 5.5 | 65.8 | 71.5 | 69.4 | 6.8 | 7.7 | 9.9 | 5.9 | 4.6 | 6.6 |
| Surprise | 3.2 | 5 | 3.6 | 4.7 | 5.9 | 3.4 | 5.3 | 6.4 | 6.1 | 3.9 | 8.9 | 9 | 77.1 | 69 | 75 | 5.8 | 4.8 | 2.9 |
| Fear | 5.8 | 2.6 | 4 | 8.7 | 3.8 | 4.1 | 7.9 | 8 | 7.6 | 6.5 | 4.5 | 5.3 | 6.7 | 5.3 | 6.2 | 64.4 | 75.8 | 72.8 |
| Average | 65.96 | 70.66 | 75.06 | 68.90 | 73.70 | 71.00 | ||||||||||||