Method | SSDD | SAR-Ship | Params (M) | Memory (Byte) | ||||||||
mAP | R | mAP | R | |||||||||
P | AP_0.5:0.95 | AP_0.5 | P | AP_0.5:0.95 | AP_0.5 | |||||||
Anchor-free | ||||||||||||
FCOS Net [33] | 0.834 | 0.363 | 0.742 | 0.861 | 0.846 | 0.452 | 0.893 | 0.860 | 31.84 | 3002 | ||
CP FCOS [16] | 0.900 | - | 0.911 | 0.858 | 0.889 | - | 0.923 | 0.882 | - | - | ||
Corner Net [34] | 0.816 | 0.375 | 0.839 | 0.905 | 0.850 | 0.420 | 0.878 | 0.834 | 200.95 | 6851 | ||
LPEDet [35] | 0.930 | 0.644 | 0.897 | 0.92 | - | - | - | - | - | - | ||
Two stage | ||||||||||||
Faster Rcnn [36] | 0.940 | 0.61 | 0.971 | 0.931 | 0.949 | 0.613 | 0.972 | 0.904 | 41.12 | 3788 | ||
Cascade Rcnn [37] | 0.928 | 0.625 | 0.971 | 0.941 | 0.931 | 0.624 | 0.973 | 0.924 | 68.93 | 4104 | ||
CRTransSAR [38] | - | 0.632 | 0.97 | 0.937 | - | - | - | - | 96 | - | ||
PVT SAR [39] | - | - | 0.935 | - | - | - | 0.908 | - | 121 | - | ||
One stage | ||||||||||||
CRAS YOLO [40] | 0.931 | 0.611 | 0.987 | - | 0.934 | 0.618 | 0.921 | - | - | - | ||
SSD [41] | 0.887 | 0.512 | 0.89 | 0.922 | 0.903 | 0.524 | 0.928 | 0.877 | 141 | 4123 | ||
FASC Net [42] | 0.911 | 0.61 | 0.873 | 0.933 | - | - | 0.961 | - | 64 | 2505 | ||
TWC Net [43] | - | 0.603 | - | - | - | - | - | - | - | - | ||
FEPS Net [44] | - | 0.599 | 0.96 | - | - | - | - | - | - | - | ||
SSE-Ship (ours) | 0.944 | 0.647 | 0.964 | 0.940 | 0.950 | 0.656 | 0.968 | 0.946 | 54 | 3275 | ||