_BASE_: [
  '../datasets/roadsign_voc.yml',
  '../runtime.yml',
  '_base_/yolov3_mobilenet_v1.yml',
  '_base_/yolov3_reader.yml',
]
pretrain_weights: https://paddledet.bj.bcebos.com/models/yolov3_mobilenet_v1_270e_coco.pdparams
weights: output/yolov3_mobilenet_v1_roadsign/model_final

YOLOv3Loss:
  ignore_thresh: 0.7
  label_smooth: true

snapshot_epoch: 2
epoch: 40

LearningRate:
  base_lr: 0.0001
  schedulers:
  - !PiecewiseDecay
    gamma: 0.1
    milestones: [32, 36]
  - !LinearWarmup
    start_factor: 0.3333333333333333
    steps: 100

OptimizerBuilder:
  optimizer:
    momentum: 0.9
    type: Momentum
  regularizer:
    factor: 0.0005
    type: L2