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Table 1 Collection date and numbers of samples in this study

From: Hyperspectral imaging-based classification of rice leaf blast severity over multiple growth stages

Year

Growth stage

Collection date

Samples

Quantity

2019

Jointing stage

July 8 and

Level 0

15

  

15-Jul

Level 1

16

   

Level 2

36

   

Level 3

32

   

Level 4

21

   

Total

120

 

Booting stage

July 25 and

Level 0

18

  

2-Aug

Level 1

19

   

Level 2

32

   

Level 3

18

   

Level 4

18

   

Total

105

 

Heading stage

10-Aug

Level 0

19

   

Level 1

11

   

Level 2

28

   

Level 3

21

   

Level 4

26

   

Total

105

2021

Jointing stage

13-Jul

Level 0

10

   

Level 1

20

   

Level 2

15

   

Level 3

9

   

Level 4

1*

   

Total

55

 

Booting stage

27-Jul

Level 0

18

   

Level 1

49

   

Level 2

14

   

Level 3

28

   

Level 4

18

   

Total

127

 

Heading stage

12-Aug

Level 0

15

   

Level 1

45

   

Level 2

20

   

Level 3

34

   

Level 4

23

   

Total

137

  1. *There was only one sample of level 4, so it acted as the training set and the testing set simultaneously