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Table 4 Evaluation of counting accuracy of wheat spike grain

From: Segmentation and counting of wheat spike grains based on deep learning and textural feature

Wheat varieties

Nitrogen fertilizer treatment

Counting accuracy of method I

Counting accuracy of method II

Mean absolute error

Mean relative error/%

RMSE

R2

Mean absolute error

Mean relative error/%

RMSE

R2

Bainong 307

N15

1.42

2.52

1.66

0.85

0.80

1.35

1.18

0.95

N19

1.25

2.36

1.48

0.88

1.15

1.70

1.23

0.94

Xinmai 26

N15

1.75

3.25

2.16

0.84

1.20

2.17

1.26

0.92

N19

1.20

2.29

1.55

0.87

1.10

2.16

1.32

0.93

Jimai 336

N15

1.80

3.59

2.19

0.81

1.40

2.88

1.73

0.89

N19

1.75

3.47

2.31

0.82

1.23

2.26

1.74

0.91

  1. The counting accuracy of Method II is higher than Method