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Table 1 Classification accuracy of quantitative classifier

From: Quantitative visualization of subcellular lignocellulose revealing the mechanism of alkali pretreatment to promote methane production of rice straw

Algorithm

Input feature

Raw

A8

D1

D2

D3

D4

D5

D6

D7

D8

LDA

Full-range spectra

80.56

47.92

75.00

79.17

84.72

76.39

88.19

79.86

78.47

57.64

Two bands (1620 + 1089 cm−1)

87.22

90.28

85.42

84.06

85.42

84.72

86.81

88.89

88.89

90.28

KNN

Full-range spectra

79.86

84.72

84.03

85.42

86.81

84.03

93.75

95.14

96.53

87.5

Two bands (1620 + 1089 cm−1)

82.64

86.11

85.42

86.11

85.42

83.33

88.89

95.14

93.75

90.28