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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

  Anger Disgust Fear Happiness Sadness Surprise Neutral  
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