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Table 3 Classification accuracies of 9-subjects across 6-filters using 2-feature combination for 6-classifiers

From: fNIRS-based Neurorobotic Interface for gait rehabilitation

Feature

Accuracy (%)

S1/S2/S3

S4/S5/S6

S7/S8/S9

KNN

LDA

QDA

NB

SVM

KNN

LDA

QDA

NB

SVM

KNN

LDA

QDA

NB

SVM

SP, SK

56.7

49.2

51.7

62.5

41.7

64.6

56.3

62.1

64.6

62.5

60.4

60.4

69.2

66.3

58.3

SM, SK

57.5

52.1

57.1

62.9

59.2

62.5

66.3

62.1

66.3

65.0

60.4

60.8

60.8

63.8

61.7

SS, SK

57.1

51.7

62.9

66.7

66.7

60.8

57.9

59.2

61.3

52.5

60.8

57.9

60.0

62.5

57.5

KR, SK

57.9

54.6

41.3

62.1

55.0

63.3

61.7

57.9

62.5

63.3

67.1

60.4

60.4

61.7

52.5

VR, SK

57.1

48.3

50.0

62.5

47.5

60.0

53.3

63.3

67.5

62.5

60.8

61.3

67.9

65.0

63.3

SP, KR

52.1

45.4

54.2

62.1

54.2

54.2

66.3

60.0

62.5

74.2

65.0

58.3

61.3

64.2

60.0

SM, KR

52.5

57.1

62.1

63.8

59.2

54.6

68.3

63.3

63.3

70.8

65.0

58.8

59.2

63.8

55.0

SS, KR

52.9

54.6

65.8

67.5

68.3

55.4

63.3

55.4

64.2

68.3

65.0

58.3

63.3

62.9

59.2

VR, KR

52.9

42.5

47.1

62.1

53.3

55.8

62.5

63.8

67.5

74.2

65.0

65.4

62.5

64.6

65.0

SM, SP

57.9

52.1

59.2

62.5

51.7

63.8

64.2

59.2

62.9

72.5

57.9

60.4

60.0

62.9

57.5

SM, VR

61.3

51.7

54.2

61.3

55.8

61.3

60.8

63.8

69.6

71.7

57.1

60.0

59.2

65.0

60.0

SS, SP

60.0

55.4

67.9

66.7

70.0

65.0

43.3

56.3

60.4

62.5

58.8

61.7

62.9

65.0

58.3

SS, VR

57.1

52.9

63.3

66.3

72.5

62.9

40.8

63.8

70.4

65.8

62.1

65.4

64.2

64.6

60.0

VR, SP

52.5

51.3

51.7

62.5

40.0

59.2

50.0

61.3

63.3

67.5

49.6

60.8

67.1

65.0

62.5

SM, SS

61.3

54.6

64.6

68.3

66.7

72.5

56.7

53.8

59.2

61.7

58.8

60.8

59.6

63.3

60.0

SP, SK

58.3

51.7

62.5

63.3

59.2

54.2

47.9

52.1

63.8

65.0

52.5

43.3

40.8

60.8

48.3

SM, SK

58.3

55.4

64.2

67.1

69.2

56.3

45.4

56.3

64.2

60.8

50.0

50.8

46.3

59.2

61.7

SS, SK

57.9

64.2

55.4

68.3

70.8

57.1

62.5

58.8

62.5

64.2

51.3

66.3

65.8

62.9

70.0

KR, SK

67.1

63.3

71.3

62.9

67.5

60.0

57.1

57.1

61.7

55.8

51.3

57.1

58.3

62.1

59.2

VR, SK

57.9

51.3

61.3

63.8

60.8

56.7

50.4

55.4

60.0

63.3

51.7

54.6

58.8

62.1

65.0

SP, KR

55.4

53.3

62.9

62.5

57.5

55.0

50.4

56.7

62.1

55.8

52.1

55.0

59.2

60.8

59.2

SM, KR

54.2

57.5

62.9

68.3

65.8

55.0

51.7

59.6

60.0

63.3

52.1

56.3

56.7

60.8

58.3

SS, KR

54.2

62.1

48.8

63.3

65.8

53.3

59.6

65.0

60.4

69.2

52.9

71.3

68.3

62.1

68.3

VR, KR

54.2

43.8

51.7

61.3

53.3

52.9

56.3

51.3

60.8

59.2

52.9

56.7

62.9

62.1

65.0

SM, SP

67.9

56.7

72.9

64.6

66.7

64.2

42.9

58.8

63.3

61.7

60.8

47.9

59.6

59.2

53.3

SM, VR

65.8

55.8

72.1

65.0

68.3

59.6

44.6

64.2

61.7

65.8

55.4

47.9

62.1

62.9

65.0

SS, SP

53.8

62.1

56.7

64.2

61.7

69.2

57.9

59.2

64.6

63.3

66.7

67.5

67.9

62.5

62.5

SS, VR

59.6

61.7

55.4

62.9

61.7

57.5

62.1

60.8

63.3

64.2

59.6

66.3

67.1

64.6

65.0

VR, SP

49.2

55.0

64.6

62.1

59.2

59.6

53.3

60.8

60.8

62.5

54.6

55.0

65.0

62.9

69.2

SM, SS

60.8

62.9

63.8

66.7

65.8

75.0

58.3

59.2

67.1

67.5

75.0

68.3

68.8

63.3

75.8

SP, SK

59.6

58.8

59.6

61.3

59.2

47.1

57.5

55.8

55.8

52.5

64.2

63.8

71.3

70.4

76.7

SM, SK

59.6

62.1

62.9

64.6

59.2

47.5

53.8

51.7

57.9

50.8

65.8

65.8

72.5

72.9

76.7

SS, SK

59.6

56.7

59.6

63.8

63.3

47.5

55.4

57.1

63.8

63.3

65.8

67.1

73.8

75.8

80.0

KR, SK

62.1

48.3

49.6

62.5

51.7

54.2

52.5

46.3

62.5

50.0

77.5

67.5

65.8

72.1

78.3

VR, SK

59.6

59.6

57.1

60.0

60.8

47.5

60.8

58.8

62.9

55.8

65.8

63.8

75.0

70.4

75.8

SP, KR

56.7

39.6

54.2

62.5

56.7

57.9

58.8

57.9

59.2

56.7

71.3

67.5

74.2

69.2

74.2

SM, KR

55.8

43.8

60.4

60.0

58.3

58.8

53.3

53.8

62.5

55.8

71.3

66.3

74.2

72.9

80.0

SS, KR

55.4

44.2

49.2

62.5

50.0

58.3

56.3

63.8

65.0

62.5

71.3

71.7

73.8

71.3

79.2

VR, KR

55.4

50.8

47.5

51.7

50.8

58.3

60.8

65.4

62.9

54.2

71.3

66.7

73.8

68.8

72.5

SM, SP

57.1

38.3

57.1

58.3

57.5

57.1

55.8

57.1

59.6

53.3

73.8

59.6

67.5

62.1

70.8

SM, VR

64.2

49.2

63.8

56.7

57.5

60.4

58.8

60.0

64.6

57.5

61.7

56.3

63.8

62.1

70.8

SS, SP

52.5

41.7

47.9

61.3

57.5

65.8

62.1

63.3

65.8

63.3

66.3

60.4

72.5

70.8

74.2

SS, VR

62.5

52.1

54.2

52.5

55.8

65.4

63.8

62.1

65.8

70.8

66.3

57.9

68.8

73.3

70.0

VR, SP

54.6

57.5

55.0

48.3

57.5

53.3

62.5

65.0

62.5

52.5

57.9

62.9

74.6

65.4

75.8

SM, SS

66.7

47.5

61.3

58.3

57.5

73.8

57.1

54.6

65.0

63.3

77.5

60.4

77.1

78.8

85.8