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Table 7 Facial expression recognition rate (%) using the occluded CK+ with different subspace dimensionalities (case of occluded eyes)

From: Projective complex matrix factorization for facial expression recognition

No. base proCMF NMF proNMF conNMF weiNMF NeNMF PCA GSNMF uRNGE usRNGE sRNGE ssRNGE
20 75.50 58.93 38.00 21.43 50.41 70.43 38.43 76.39 28.93 25.62 25.80 65.58
30 78.02 69.70 47.41 24.09 62.57 65.29 49.17 71.72 24.88 38.10 37.01 71.19
40 77.52 73.88 51.95 28.93 67.00 69.01 54.55 70.48 26.94 42.89 41.15 75.97
50 86.86 72.26 55.32 31.94 67.83 64.76 57.02 73.38 35.45 45.21 42.80 81.88
60 83.26 74.38 51.90 39.43 71.66 65.11 56.20 62.46 39.09 48.51 48.64 85.06
70 84.46 78.29 62.00 39.32 75.62 66.35 56.61 69.54 44.38 51.98 50.41 83.53
80 80.50 75.93 63.67 45.51 78.39 59.15 60.74 73.49 46.61 50.74 53.31 87.60
90 80.41 82.64 63.62 45.69 79.75 44.86 64.88 79.99 49.75 53.97 57.62 90.20
100 84.05 81.17 63.53 45.45 79.75 44.27 66.53 82.05 52.94 59.67 60.33 87.43
Ave. 81.18 74.13 55.27 35.75 70.33 61.03 56.01 73.28 38.77 46.30 46.34 80.94