Table 4. Segmentation results for the cells test dataset in terms of AP.

IoU threshold	0.5	0.55	0.6	0.65	0.7	0.75	0.8	0.85	0.9	mean AP
U-Net	0.538	0.471	0.414	0.354	0.295	0.224	0.155	0.077	-	0.283
Stardist	0.869	0.843	0.813	0.773	0.698	0.632	0.504	0.322	0.094	0.616
no nucleus	0.898	0.870	0.858	0.838	0.811	0.751	0.657	0.499	0.226	0.712
nucleus input	0.931	0.909	0.908	0.881	0.866	0.807	0.733	0.585	0.236	0.762
FPF ⊙	0.943	0.943	0.920	0.905	0.885	0.830	0.746	0.600	0.284	0.784
FPF ⊕	0.935	0.935	0.909	0.908	0.896	0.840	0.762	0.592	0.246	0.780
FPF ⊙ weighted loss	0.946	0.934	0.921	0.890	0.876	0.835	0.753	0.605	0.253	0.779
FPF ⊕ weighted loss	0.941	0.930	0.930	0.911	0.890	0.849	0.764	0.603	0.247	0.785