Semiautomated 3D Root Segmentation and Evaluation Based on X-Ray CT Imagery
(a) Segmentation of a cassava plant. The green line represents the 3D soil-air interface, which indicates the entry point of the plant in the soil. (b) In red, the 3D convex hull of the segmentation is depicted with as the minimum and as the maximum root angle between the convex hull faces and the green soil slice.
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