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Table 5 Facial expression recognition rate (%) using the occluded CK+ with different subspace dimensionalities (case of occluded randomly images)

From: Projective complex matrix factorization for facial expression recognition

No. base proCMF NMF proNMF conNMF weiNMF NeNMF PCA GSNMF uRNGE usRNGE sRNGE ssRNGE
20 66.82 50.62 34.38 20.04 48.60 68.97 53.31 50.50 21.78 45.54 26.9 59.13
30 73.43 58.39 35.87 24.59 58.97 63.88 60.33 75.21 22.93 52.02 32.69 70.7
40 79.42 62.27 43.93 26.16 63.43 61.07 62.81 74.09 28.55 58.93 35.33 72.85
50 80.95 65.29 44.05 27.52 65.00 59.71 66.12 68.22 28.06 62.85 39.21 73.26
60 82.23 70.37 45.91 27.19 67.85 55.54 68.18 59.01 34.17 68.06 40.95 73.47
70 83.51 70.33 46.61 26.82 72.36 52.98 69.01 67.85 34.92 73.18 45.08 76.07
80 83.39 73.31 49.88 27.81 72.40 47.23 73.55 65.62 38.60 75.79 46.61 78.55
90 84.96 73.39 52.64 27.73 73.31 39.09 77.69 72.98 41.78 78.10 48.97 79.71
100 86.03 75.25 51.36 29.34 74.38 37.60 78.51 70.08 40.54 75.58 54.79 80.08
Ave. 80.08 66.58 44.96 26.36 66.26 54.01 67.72 67.06 32.37 65.56 41.17 73.76