train_dataset:
  type: PPHumanSeg14K
  dataset_root: data/PP-HumanSeg14K
  transforms:
    - type: ResizeStepScaling
      min_scale_factor: 0.5
      max_scale_factor: 2.0
      scale_step_size: 0.25
    - type: RandomPaddingCrop
      crop_size: [398, 224]
    - type: RandomHorizontalFlip
    - type: RandomDistort
      brightness_range: 0.4
      contrast_range: 0.4
      saturation_range: 0.4
    - type: Normalize
  mode: train

val_dataset:
  type: PPHumanSeg14K
  dataset_root: data/PP-HumanSeg14K
  transforms:
    - type: Normalize
  mode: val

model:
  type: FCN
  backbone:
    type: HRNet_W18
    align_corners: False
    pretrained: https://bj.bcebos.com/paddleseg/dygraph/hrnet_w18_ssld.tar.gz
  num_classes: 2
  pretrained: Null
  backbone_indices: [-1]

optimizer:
  type: sgd
  momentum: 0.9
  weight_decay: 0.0005

lr_scheduler:
  type: PolynomialDecay
  learning_rate: 0.05
  end_lr: 0
  power: 0.9

loss:
  types:
    - type: CrossEntropyLoss
  coef: [1]

iters: 10000
batch_size: 64