A Robust and Lightweight Detector for Ship Target with Complex Background in SAR Image

Table 9

Ablation experiment.

Algorithm	Network reconfiguration	Varifocal-EIoU	Prune	SSDD			HRSID
				/%	/%	mAP/%	/%	/%	mAP/%
YOLOv5s				93.9	92.8	97.2	91.5	85.0	92.8
A	√			97.2	95.7	98.9	94.4	88.9	94.5
B		√		96.7	96.9	98.9	93.8	89.7	94.1
C	√	√		98.1	97.1	99.2	94.2	91.5	95.67
D	√		50%	96.1	94.0	97.5	91.7	85.9	92.7
E	√	√	50%	95.9	94.1	97.9	92.9	86.4	93.3
F	√		90%	92.8	82.4	92.4	86.0	72.9	82.1
G	√	√	90%	93.3	87.7	95.5	89.4	76.0	85.1