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Table 2 The six morphological features calculated for each minimum area bounding box

From: The estimation of crop emergence in potatoes by UAV RGB imagery

Name Meaning Unit
Length The length of the long side of the bounding box cm
Length–width ratio The ratio between the length and the width of the bounding box Scalar
Area Total area of the plant canopies within the bounding box cm2
Perimeter The perimeter of the connected contour of the canopy within the bounding box cm
Convex area Total area of the convex hull containing the connected contour of the canopy cm2
Solidity The ratio between the area of canopy and convex hull Scalar