Figure 5From: Unmanned aerial platform-based multi-spectral imaging for field phenotyping of maizeDistribution of NDVI data collected using a ground-based spectroradiometer (a) and the UAP (b) at two different dates. c Correlation between NDVI-Ground and NDVI-UAP. The dashed lines represent the 95% confidence intervals (**P ≤ 0.01).Back to article page