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Table 8 Estimation of PWD infection stages using Cab estimated by RF based on the REPs derived from ground data

From: Early detection of pine wilt disease in Pinus tabuliformis in North China using a field portable spectrometer and UAV-based hyperspectral imagery

Stage

H

E

M

S

Total

H

25

11

0

0

36

E

12

4

6

0

22

M

1

12

14

12

39

S

1

0

9

14

24

Total

39

27

29

26

121

    

OA (%)

47.11

    

Kappa

0.29