_BASE_: [
  '../datasets/sniper_coco_detection.yml',
  '../runtime.yml',
  '../faster_rcnn/_base_/optimizer_1x.yml',
  '../faster_rcnn/_base_/faster_rcnn_r50.yml',
  '_base_/faster_reader.yml',
]

pretrain_weights: https://paddledet.bj.bcebos.com/models/faster_rcnn_r50_vd_1x_coco.pdparams
weights: output/faster_rcnn_r50_vd_1x_coco/model_final

ResNet:
  # index 0 stands for res2
  depth: 50
  variant: d
  norm_type: bn
  freeze_at: 0
  return_idx: [2]
  num_stages: 3