Table 2.

Comparison of sensitivity according to the location of the attention modules.

Configurations	Datasets
	Montgomery	JSRT	Shenzhen
$\mathrm{U}-\mathrm{Net}+X\left(1\right)$	0.971 ± 0.001	0.961 ± 0.001	0.949 ± 0.001
$\mathrm{U}-\mathrm{Net}+X\left(2\right)$	0.969 ± 0.001	0.960 ± 0.001	0.948 ± 0.001
$\mathrm{U}-\mathrm{Net}+X\left(3\right)$	0.966 ± 0.002	0.959 ± 0.001	0.948 ± 0.001
$\mathrm{U}-\mathrm{Net}+X\left(4\right)$	0.986 ± 0.001	0.958 ± 0.002	0.947 ± 0.001
$\mathrm{U}-\mathrm{Net}+Y\left(1\right)$	0.968 ± 0.001	0.959 ± 0.001	0.949 ± 0.001
$\mathrm{U}-\mathrm{Net}+Y\left(2\right)$	0.968 ± 0.001	0.959 ± 0.001	0.949 ± 0.001
$\mathrm{U}-\mathrm{Net}+Y\left(3\right)$	0.967 ± 0.001	0.959 ± 0.001	0.947 ± 0.001
$\mathrm{U}-\mathrm{Net}+Y\left(4\right)$	0.964 ± 0.002	0.958 ± 0.001	0.946 ± 0.001
$\mathrm{U}-\mathrm{Net}+X\left(1\right)$ $+X\left(2\right)$	0.969 ± 0.002	0.960 ± 0.001	0.948 ± 0.001
$\mathrm{U}-\mathrm{Net}+X\left(3\right)$ $+X\left(4\right)$	0.966 ± 0.001	0.959 ± 0.001	0.947 ± 0.001
$\mathrm{U}-\mathrm{Net}+X\left(1\right)+X\left(2\right)+X\left(3\right)+X\left(4\right)$	0.969 ± 0.002	0.961 ± 0.002	0.947 ± 0.001
$\mathrm{U}-\mathrm{Net}+Y\left(1\right)$ $+Y\left(2\right)$	0.971 ± 0.001	0.962 ± 0.001	0.949 ± 0.001
$\mathrm{U}-\mathrm{Net}+Y\left(3\right)$ $+Y\left(4\right)$	0.966 ± 0.002	0.958 ± 0.001	0.948 ± 0.001
$\mathrm{U}-\mathrm{Net}+Y\left(1\right)$ $+Y\left(2\right)+Y\left(3\right)$ $+Y\left(4\right)$	0.969 ± 0.002	0.959 ± 0.001	0.949 ± 0.001
$\mathrm{U}-\mathrm{Net}+X\left(1\right)$ $+X\left(2\right)+Y\left(1\right)$ $+Y\left(2\right)$	0.973 ± 0.001	0.963 ± 0.001	0.952 ± 0.001
$\mathrm{U}-\mathrm{Net}+X\left(3\right)$ $+X\left(4\right)+Y\left(3\right)$ $+Y\left(4\right)$	0.969 ± 0.001	0.959 ± 0.001	0.949 ± 0.001