Table 4 Confusion matrix (%) of cross-validation testing method for 7-class emotion in CK+ dataset using Improved GLTP
From: Improved gradient local ternary patterns for facial expression recognition
| Â | Joy | Sur | Ang | Fear | Dis | Sad | Neu |
|---|---|---|---|---|---|---|---|
Joy | 100 | 0 | 0 | 0 | 0 | 0 | 0 |
Sur | 0.5 | 98 | 0 | 0 | 0 | 0 | 1.5 |
Ang | 0 | 0.1 | 95.3 | 0 | 0 | 0 | 4.6 |
Fear | 0 | 0.4 | 0 | 99.2 | 0 | 0 | 0.4 |
Dis | 0 | 0 | 0.5 | 0 | 98.6 | 0 | 0.9 |
Sad | 0 | 0 | 0.9 | 0.4 | 0 | 93.9 | 4.8 |
Neu | 0.1 | 0 | 1.8 | 0.1 | 0.5 | 0.9 | 96.6 |