_BASE_: [
  '../datasets/coco_detection.yml',
  '../runtime.yml',
  '../cascade_rcnn/_base_/optimizer_1x.yml',
  '../cascade_rcnn/_base_/cascade_rcnn_r50_fpn.yml',
  '../cascade_rcnn/_base_/cascade_fpn_reader.yml',
]
weights: output/cascade_rcnn_dcn_r50_fpn_1x_coco/model_final

ResNet:
  depth: 50
  norm_type: bn
  freeze_at: 0
  return_idx: [0,1,2,3]
  num_stages: 4
  dcn_v2_stages: [1,2,3]