Fig. 2 (IMAGE)

Plant Phenomics

Fig. 2

Caption

The workflow for high-throughput estimation of canopy height differences between soybean strip and the adjacent maize strips, including UAV image acquisition and processing (1), the establishment of canopy height model (CHM) (2), and the calculation of Hms (3). UAV image acquisition and processing were composed of UAV campaigns (A) and strip segmentations on UAV-derived digital ortho-mosaic (B) and digital surface model (DSM; C). The establishment of a CHM included the calculation of the difference between DSM and the reference ground (D) and the removal of soil and vegetative pixels of the other adjacent crop (E) from the CHM. Lastly, the strips of maize (G) and soybean (H) were separated by the threshold (F), and the canopy heights were then estimated from the corresponding CHMs, followed by the calculation of Hms.

Credit

Plant Phenomics

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