Table 4: Experimental results comparing ResNet50 with the other three attention methods.

Model	Position of Self-Attention(conv_2, conv_3, conv_4, conv_5)	MRE (mm)	SD (mm)	(2mm)	SDR (%) (4mm)	(6mm)
Plain ResNet50	-	3.5367	3.7111	30.9288	73.6024	89.9653
ResNet50 + SE-block	-	2.6965	3.4437	51.2326	83.2118	93.5938
ResNet50 + CBAM	-	3.9340	6.0625	43.9410	72.0486	83.0295
ResNet50 + Self-Attention	T, T, T, F	2.9997	3.8673	40.7986	81.4063	94.6788

* MRE: Mean Radial Error, SD: Standard Deviation, SDR: Successful Detection Rate