Sn1(%)

Sn2(%)

Sn3(%)

Sn4(%)

Sp1(%)

Sp2(%)

Sp3(%)

Sp4(%)

M1

M2

M3

M4

S(%)

Hu’s SVM

78.6

67.5

57.9

73.4

72.8

69.2

65.8

70.7

0.58

0.57

0.53

0.54

71.7

Zou’s IDQD

85.8

74.7

68.5

75.4

79.9

71.0

73.3

69.5

0.61

0.56

0.58

0.55

77.7

Our Classifier

80.2

69.6

63.6

75.4

62.6

78.0

83.0

74.3

0.57

0.63

0.65

0.64

72.64