Figure 3: Segmentation of holes in 3D reconstructed images of soybeans.
From: Selection for Oil Content During Soybean Domestication Revealed by X-Ray Tomography of Ancient Beans

(a,d,g) are the volume rendering results of archaeological soybean, modern cultivated soybean and modern wild soybean, respectively, of the same seeds illustrated in Fig. 2. (b,e,h) are the transparent images showing holes in the soybeans. (c,f,i) are the surface results of the extracted holes.