Table 5.

Ablation studies.

Configuration of PSNet without:	Kvasir-SEG		CVC-ClinicDB
	mDice	mIoU	mDice	mIoU
Transformer encoder	0.662	0.544	0.630	0.530
Dual decoder	0.817	0.729	0.867	0.787
Merge modules	0.876	0.815	0.890	0.839
PS encoder	0.908	0.854	0.908	0.864
CCM	0.916	0.865	0.916	0.867
PSNet (final)	0.929	0.879	0.928	0.879