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Table 2 Percentage estimation error statistics, mean (μ), standard deviation (σ), and the correlation coefficient (r) of the observed and estimated VI of each model

From: Estimation of vegetation indices for high-throughput phenotyping of wheat using aerial imaging

DaS

Model

\(\mu \pm \sigma\)

r

93

DNN-RGB

− 1.78 ± 4.03

0.97

DNN-GRAY

0.00 ± 7.40

0.86

DNN-T

− 5.34 ± 4.30

0.98

LR-RGB

− 1.68 ± 6.92

0.89

113

DNN-RGB

− 0.61 ± 2.38

0.98

DNN-GRAY

1.41 ± 5.67

0.68

DNN-T

− 0.56 ± 2.32

0.99

LR-RGB

1.91 ± 5.66

0.70

135

DNN-RGB

0.50 ± 1.73

0.96

DNN-GRAY

0.70 ± 3.22

0.84

DNN-T

1.27 ± 1.62

0.97

LR-RGB

− 1.57 ± 2.90

0.89

141

DNN-RGB

0.87 ± 1.82

0.97

DNN-GRAY

− 2.07 ± 3.14

0.90

DNN-T

2.53 ± 1.74

0.97

LR-RGB

− 1.97 ± 2.98

0.91

156

DNN-RGB

1.09 ± 2.51

0.96

DNN-GRAY

2.08 ± 6.89

0.88

DNN-T

3.46 ± 2.18

0.97

LR-RGB

4.07 ± 5.91

0.93

170

DNN-RGB

1.45 ± 4.42

0.95

DNN-GRAY

6.78 ±14.78

0.80

DNN-T

6.62 ± 4.02

0.96

LR-RGB

9.14 ±17.84

0.81

182

DNN-RGB

− 1.81 ± 9.56

0.83

DNN-GRAY

− 8.13 ±23.21

0.73

DNN-T

− 28.83 ± 7.13

0.86

LR-RGB

− 11.46 ±26.03

0.87