Research Article

Detecting the Early Stage of Phaeosphaeria Leaf Spot Infestations in Maize Crop Using In Situ Hyperspectral Data and Guided Regularized Random Forest Algorithm

Figure 1

The sample plots of 2013 and 2014 with the mean reflectance of healthy and early stage of PLS using data collected in 2013. The grey areas indicate the spectral ranges excluded from the analysis due to the external effects.