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Table 7 Confusion matrix on NVIE database

From: Facial expression recognition using optimized active regions

  Ha Su Fe An Di Sa Ne
Ha 97.76 0.82 0 0.20 0.82 0 0.41
Su 0.86 98.27 0.22 0 0.65 0 0
Fe 4.26 1.07 92.75 0 0.43 1.07 0.43
An 0.41 0 0 99.19 0 0.20 0.20
Di 1.15 1.83 0 0 96.56 0.23 0.23
Sa 1.01 0.61 1.62 1.42 1.01 94.13 0.20
Ne 0 0 0 0 1.36 0 98.64
  1. Italic values indicate the recognition accuracy of each expression