_base_ = [ '../_base_/models/cascade_rcnn_r50_fpn.py', '../_base_/datasets/coco_detection.py', '../_base_/schedules/schedule_1x.py', '../_base_/default_runtime.py' ] model = dict( backbone=dict( type='DetectoRS_ResNet', conv_cfg=dict(type='ConvAWS'), sac=dict(type='SAC', use_deform=True), stage_with_sac=(False, True, True, True)))