Table 7.

Comparison between UNet, UNet++, and UNet3+ in four samples.

	Dataset 1			Dataset 2
Samples	Unet	Unet++	Unet3+	Unet	Unet++	Unet3+
A	$0.6913\pm 0.003$	$0.5670\pm 0.011$	$0.7235\pm 0.050$	$0.8144\pm 0.005$	$0.5915\pm 0.015$	$0.8141\pm 0.003$
B	$0.6545\pm 0.013$	$0.6292\pm 0.016$	$0.6589\pm 0.005$	$0.7462\pm 0.004$	$0.6393\pm 0.008$	$0.7567\pm 0.003$
C	$0.7068\pm 0.005$	$0.5835\pm 0.087$	$0.7194\pm 0.004$	$0.8562\pm 0.007$	$0.6672\pm 0.017$	$0.8560\pm 0.006$
D	$0.6886\pm 0.005$	$0.5189\pm 0.091$	$0.6997\pm 0.002$	$0.7500\pm 0.003$	$0.6315\pm 0.008$	$0.7503\pm 0.005$