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. 2019 Apr 16;10:383. doi: 10.3389/fpls.2019.00383

Table 3.

Prediction performances of final NDSI features for shoot and root hyperspectral images within and across lentil panels.

Region of interest Training set Test set R2 RMSE
GH_LSP (100%) GH_RIL (100%) <0.01 3.09
Shoot GH_LSP (80%) GH_LSP (20%) 0.27 1.08
GH_RIL (80%) GH_RIL (20%) 0.01 1.38
GH_RIL (100%) GH_LSP (100%) <0.01 1.57

GH_LSP (100%) GH_RIL (100%) 0.25 1.64
Root GH_LSP (80%) GH_LSP (20%) 0.54 0.86
GH_RIL (80%) GH_RIL (20%) 0.02 1.50
GH_RIL (100%) GH_LSP (100%) 0.15 3.34