Table 3.

Computational performance achieved by the implemented methods in terms of processing times and memory consumption for the HGSOC CT scan (considering a large POD lesion) selected as a practical use case.

Method	Processing time [s]	Memory [GB]
Fixed thresholding	0.1345	1.0185
Two-stage Otsu	1.8046	1.0170
Silhouette ＋ $K$-means	$1.4200\times 10^3$ ($=23.667$ mins)	1.0498
CH ＋ $K$-means	17.9152	1.0498
DB ＋ $K$-means	18.1542	1.5718
Gap ＋ $K$-means	$2.0796\times 10^3$ ($=34.66$ mins)	1.0478
sFCM${}_{1,0}$	18.4728	1.0246
sFCM${}_{1,1}$	25.3067	1.0246
sFCM${}_{1,2}$	24.7146	1.0246
ksFCM${}_{1,0}$	31.4829	1.0246
ksFCM${}_{1,1}$	52.5809	1.0246
ksFCM${}_{1,2}$	51.1077	1.0246