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

Table 2.

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

Region of interest Training set Test set R2 RMSE
GH_LSP (100%) GH_RIL (100%) 0.23 1.34
Shoot GH_LSP (80%) GH_LSP (20%) 0.53 0.88
(p = 11) GH_RIL (80%) GH_RIL (20%) 0.32 1.21
GH_RIL (100%) GH_LSP (100%) 0.42 0.99

GH_LSP (100%) GH_RIL (100%) 0.67 0.85
Root GH_LSP (80%) GH_LSP (20%) 0.73 0.66
(p = 3) GH_RIL (80%) GH_RIL (20%) 0.67 0.84
GH_RIL (100%) GH_LSP (100%) 0.45 1.00