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Table 3 Comparison with multiple CSP-based feature extraction methods

From: A dynamic directed transfer function for brain functional network-based feature extraction

Reference number

Methods

Subjects

Average accuracies (%)

‘k3b’

‘k6b’

‘l1b’

[7]

AC-CSP

97.80

63.30

94.20

85.10

[7]

AC-RCSP

97.80

72.50

95.00

88.43

[7]

CCS-CSP

98.90

79.20

95.80

91.30

[7]

CCS-RCSP

98.90

80.00

96.70

91.87

[8]

CSSSP

95.50

55.10

95.00

81.87

[8]

BCSP

78.80

63.70

76.60

73.03

[8]

ACSP

76.60

56.80

51.60

61.67

[8]

Pcv

100.00

68.90

96.60

88.50

[8]

Pfix

100.00

67.20

98.30

88.50

[9]

CSP

67.50

70.00

53.30

63.60

[9]

CCSP

95.00

90.00

83.30

89.43

This paper

DDTF

100.00

82.25

99.75

94.00

  1. The bold values reflect the highest classification accuracies among all methods
  2. Pcv and Pfix represent the CCSSP with and without automatic parameter selection, respectively