Table 6.

Replacing HNN part pipeline with 2-D U-Net and comparing prostate segmentation results between 2-D U-Net and HNN on axial image using the NIH 145 dataset. Four metrics: DSC (%), Jaccard index IOU (%), HD (mm), and AD (mm).

Mean	2-D U-Net	HNN	HNNsc
$\mathrm{DSC}\pm \mathrm{std}\%$	$73.95\pm 4.59\%$	$90.01\pm 2.99\%$	$92.35\pm 3.00\%$
$\mathrm{Jaccard}\mathrm{IoU}\pm \mathrm{std}\%$	$58.87\pm 5.61\%$	$81.97\pm 4.82\%$	$85.92\pm 5.01\%$
$\mathrm{HD}\pm \mathrm{std}$ (mm)	$19.42\pm 16.01$	$11.95\pm 8.73$	$8.49\pm 2.99$
$\mathrm{AD}\pm \mathrm{std}$ (mm)	$0.63\pm 0.33$	$0.14\pm 0.97$	$0.11\pm 0.06$