Table 11. Confusion matrix of the proposed FER system that is trained on IMFDB dataset and tested on CK+, JAFFE, MUG, USTC-NVIE, and AFEW datasets of facial expressions (Unit: %).
Expressions | Happy | Anger | Sad | Surprise | Fear | Disgust |
Happy | 85 | 5 | 3 | 2 | 4 | 1 |
Anger | 3 | 86 | 2 | 3 | 2 | 4 |
Sad | 5 | 2 | 87 | 3 | 2 | 1 |
Surprise | 1 | 3 | 3 | 81 | 2 | 4 |
Fear | 1 | 3 | 2 | 4 | 86 | 4 |
Disgust | 3 | 3 | 4 | 3 | 5 | 82 |
Average | 84.50 |