Table 10.

Training speed (second per epoch) of different methods on four datasets

Method	Unet	R2U-Net	Attention Unet	BCDU	Unet++	DeeplabV3+	Ours
COVID-19	213	–	241	323	134	436	210
CVC-clinicDB	60	–	38	39	38	65	58
Lung	154	182	96	149	80	116	135
ISIC	154	228	172	195	120	184	211

Bold values indicate the best result of each metric