Table 4.

Ablation studies of BN method on COCO val2017.

Type	AP	${\mathit{AP}}_{50}$	${\mathit{AP}}_{75}$	${\mathit{AP}}_{\mathit{S}}$	${\mathit{AP}}_{\mathit{M}}$	${\mathit{AP}}_{\mathit{L}}$
None	37.0	57.5	39.2	21.2	40.9	47.1
BN_pre	36.1	57.2	38.0	21.0	40.3	46.3
BN_post	37.3	58.0	39.6	22.0	41.0	47.7