A Small Object Detection Network Based on Multiple Feature Enhancement and Feature Fusion

Table 4

Ablation studies of SCEM on COCO val-2017.

R + B + M	SubD	GE-B	AP	AP50	AP75	APS	APM	APL
√	×	×	34.1	52.1	36.7	15.9	36.9	47.4
√	√	×	34.6	52.5	37.2	16.5	37.2	47.6
√	√	√	34.8	52.8	37.4	16.8	37.3	47.9

Note: SubD: sub-pixel convolutional dimension reduction and GE-B: GE block. R + B + M: retinaNet + BidiFPN + MCEM.