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Table 4 Confusion matrix on CK+ database

From: Facial expression recognition using optimized active regions

  Ha Su Fe An Di Sa
Ha 99.62 0 0 0 0.38 0
Su 0 98.74 0 0.63 0 0.63
Fe 0 1.26 92.41 3.80 0 2.53
An 0 0 0 99.45 0.55 0
Di 0 0 0 0.86 99.14 0
Su 0 0 0 0.83 0 99.17
  1. Italic values indicate the recognition accuracy of each expression