mmdetection-2.26.0/configs/foveabox/fovea_r50_fpn_4x4_2x_coco.py

_base_ = './fovea_r50_fpn_4x4_1x_coco.py'
# learning policy
lr_config = dict(step=[16, 22])
runner = dict(type='EpochBasedRunner', max_epochs=24)