Table 8 Confusion matrix of 7-class facial expression recognition using proCMF on CK+ dataset with unocclusion and eyes and mouth occlusions (%)
From: Projective complex matrix factorization for facial expression recognition
| Â | Anger | Disgust | Fear | Happiness | Sadness | Surprise | Neutral | Â |
|---|---|---|---|---|---|---|---|---|
Anger | 96.08 | 1.96 | 0 | 1.96 | 0 | 0 | 0 | Unocclusion |
94.12 | 2.94 | 0 | 2.94 | 0 | 0 | 0 | Mouth | |
100 | 0 | 0 | 0 | 0 | 0 | 0 | Eyes | |
Disgust | 0 | 98.25 | 0 | 0 | 1.75 | 0 | 0 | Unocclusion |
2.63 | 92.11 | 0 | 0 | 0 | 5.26 | 0 | Mouth | |
13.16 | 63.16 | 0 | 0 | 23.68 | 0 | 0 | Eyes | |
Fear | 2.22 | 0 | 97.78 | 0 | 0 | 0 | 0 | Unocclusion |
0 | 6.67 | 86.67 | 3.33 | 0 | 3.33 | 0 | Mouth | |
0 | 0 | 100 | 0 | 0 | 0 | 0 | Eyes | |
Happiness | 0 | 0 | 0 | 100 | 0 | 0 | 0 | Unocclusion |
4.00 | 6.00 | 0 | 86.00 | 0 | 4.00 | 0 | Mouth | |
4.00 | 2.00 | 0 | 90.00 | 4.00 | 0 | 0 | Eyes | |
Sadness | 2.08 | 0 | 0 | 0 | 97.92 | 0 | 0 | Unocclusion |
3.13 | 12.50 | 0 | 0 | 71.86 | 9.38 | 3.13 | Mouth | |
9.37 | 0 | 0 | 0 | 90.63 | 0 | 0 | Eyes | |
Surprise | 0 | 0 | 1.28 | 0 | 0 | 98.72 | 0 | Unocclusion |
0 | 0 | 0 | 0 | 1.92 | 98.08 | 0 | Mouth | |
1.92 | 0 | 5.77 | 0 | 9.62 | 82.69 | 0 | Eyes | |
Neutral | 0 | 0 | 0 | 0 | 0 | 0 | 100 | Unocclusion |
0 | 0 | 0 | 0 | 0 | 0 | 100 | Mouth | |
0 | 0 | 0 | 0 | 16.67 | 0 | 83.33 | Eyes |