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Table 4 Performance of proposed approach (CK+ 6 expressions)

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

  An Di Fe Ha Sa Su
An 88.6 4.5 2.4 0 4.5 0
Di 5.6 89.0 1.8 1.8 0 1.8
Fe 0 0 100 0 0 0
Ha 0 0 0 100 0 0
Sa 0 0 0 0 100 0
Su 1.3 0 1.3 0 0 97.4
  1. Average performances: recall = 95.9 %, precision = 95.8 %, accuracy = 98.8 %, F-score = 95.8 %. (orientation bins = 7, cell size = 7)
  2. An Anger, Di Disgusted, Fe Fearful, Ha Happy, Sa Sad, Su Surprised
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