Skip to main content

Table 5 Performance of proposed approach (CK+ 7 expressions)

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

  Ne An Di Fe Ha Sa Su
Ne 89.6 1.8 0 0 0 8.6 0
An 4.4 86.8 4.4 0 0 4.4 0
Di 0 5.4 92.9 1.7 0 0 0
Fe 0 0 0 93.9 4.1 0 2.0
Ha 0 0 0 0 100 0 0
Sa 0 0 1.8 0 0 98.2 0
Su 1.3 0 0 1.3 0 0 97.4
  1. Average performances: recall = 94.1 %, precision = 94.3 %, accuracy = 98.5 %, F-score = 94.1 %. (orientation bins = 7, cell size = 7)
  2. Ne Neutral, An Anger, Di Disgusted, Fe Fearful, Ha Happy, Sa Sad, Su Surprised