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Table 4 Semi-supervised classification results of different algorithms on the ORL dataset

From: Combining graph embedding and sparse regression with structure low-rank representation for semi-supervised learning

Method

P = 1

P = 2

P = 3

Semi (%)

Test (%)

Semi (%)

Test (%)

Semi (%)

Test (%)

GFHF

52.81 ± 4.31

–

63.26 ± 3.78

–

68.97 ± 3.54

–

MFA

–

–

78.22 ± 4.25

79.11 ± 3.76

85.40 ± 3.89

84.78 ± 2.54

SDA

65.29 ± 2.72

65.32 ± 2.83

75.84 ± 3.61

76.92 ± 3.25

82.44 ± 2.54

82.95 ± 2.26

TCA

64.75 ± 2.05

64.61 ± 2.29

77.02 ± 3.15

78.80 ± 2.57

84.49 ± 3.12

84.27 ± 2.67

LapRLS

61.49 ± 3.31

59.88 ± 3.10

78.29 ± 2.54

77.86 ± 2.71

85.83 ± 2.75

85.94 ± 2.39

FME

68.25 ± 2.58

66.69 ± 3.24

80.80 ± 3.25

80.73 ± 2.76

85.92 ± 3.67

84.35 ± 2.64

NNSG

71.86 ± 3.29

67.77 ± 3.73

82.57 ± 2.65

82.91 ± 2.15

86.38 ± 3.83

85.52 ± 2.97

GESR-LR

73.08 ± 3.17

69.29 ± 3.68

85.52 ± 2.14

85.64 ± 2.89

87.45 ± 3.54

86.12 ± 2.99