A local feature-based facial expression recognition system from depth video - Emerging Trends in Image Processing, Computer Vision, and Pattern Recognition - page 345

Table 1
FER Confusion Matrix Using Depth Faces with PCA

Expression Anger Happy Sad Surprise Fear Disgust

Anger 50% 0 20 0 15 15

Happy 5 50 10 10 20 10

Sad 0 17.5 70 12.50 0 0

Surprise 0 0 0 80 15 5

Fear 0 5 25 10 60 0

Disgust 0 5 30 0 0 65

Average 62.50

Bold values indicate correct expression recognition and others indicate incorrect recognition.

Table 2
FER Confusion Matrix Using Depth Faces with PCA-LDA

Expression Anger Happy Sad Surprise Fear Disgust

Anger 50% 0 20 0 15 15

Happy 0 55 10 10 20 10

Sad 0 15 72.50 12.50 0 0

Surprise 0 0 0 85 10 5

Fear 0 5 25 5 65 0

Disgust 0 2.50 30 0 0 67.50

Average 65.83

Bold values indicate correct expression recognition and others indicate incorrect recognition.