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Table 6 Performance of proposed approach (RFD 7 expressions)

From: Facial expression recognition and histograms of oriented gradients: a comprehensive study

 

An

Co

Di

Fe

Ha

Sa

Su

An

98.4

0

0

0

0

1.6

0

Co

3.0

92.5

0

1.5

0

3.0

0

Di

0

0

97.0

0

0

1.5

1.5

Fe

0

1.5

0

94.0

0

1.5

3.0

Ha

0

0

0

0

100

0

0

Sa

6.0

1.5

1.5

7.4

0

83.6

0

Su

0

1.5

0

0

0

0

98.5

  1. Average performances: recall = 94.9 %, precision = 94.9 %, accuracy = 98.5 %, F-score = 94.8 %. (orientation bins = 7, cell size = 7)
  2. An Anger, Co Contemptous, Di Disgusted, Fe Fearful, Ha Happy, Sa Sad, Su Surprised