Table 8 Confusion matrix (%) of person independent 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 | 93.7 | 0 | 0.5 | 0 | 1.0 | 0 | 4.8 |
Sur | 0.8 | 94 | 0 | 0.4 | 0 | 0 | 4.8 |
Ang | 0 | 1.5 | 61.5 | 0 | 8.1 | 0 | 28.9 |
Fear | 13.3 | 2.7 | 4 | 56 | 0 | 4 | 20 |
Dis | 2.3 | 0 | 6.2 | 0 | 82.5 | 0 | 9 |
Sad | 0 | 3.6 | 3.6 | 6 | 0 | 48.8 | 38 |
Neu | 0.3 | 1 | 2.5 | 1 | 1.3 | 1.3 | 92.6 |