_BASE_: [ 'mask_rcnn_r50_fpn_1x_coco.yml', ]
pretrain_weights: https://paddledet.bj.bcebos.com/models/pretrained/ResNet101_pretrained.pdparams
weights: output/mask_rcnn_r101_fpn_1x_coco/model_final
ResNet: # index 0 stands for res2 depth: 101 norm_type: bn freeze_at: 0 return_idx: [0,1,2,3] num_stages: 4