Global:
  device: gpu
  epoch_num: 10
  log_smooth_window: 20
  print_batch_step: 10
  output_dir: ./output/rec/u14m_filter/vit_busnet/
  eval_epoch_step: [0, 1]
  eval_batch_step: [0, 500]
  cal_metric_during_train: True
  pretrained_model:
  checkpoints:
  use_tensorboard: false
  infer_img:
  # for data or label process
  character_dict_path: ./tools/utils/EN_symbol_dict.txt
  max_text_length: 25
  use_space_char: False
  save_res_path: ./output/rec/u14m_filter/predicts_vit_busnet.txt
  grad_clip_val: 20
  use_amp: True

Optimizer:
  name: Adam
  lr: 0.00053 # 4gpus bs256/gpu
  weight_decay: 0.0
  filter_bias_and_bn: False

LRScheduler:
  name: MultiStepLR
  milestones: [6]
  gamma: 0.1

Architecture:
  model_type: rec
  algorithm: BUSBet
  Transform:
  Encoder:
    name: ViT
    img_size: [32,128]
    patch_size: [4, 8]
    embed_dim: 384
    depth: 12
    num_heads: 6
    mlp_ratio: 4
    qkv_bias: True
  Decoder:
    name: BUSDecoder
    nhead: 6
    num_layers: 6
    dim_feedforward: 1536
    ignore_index: &ignore_index 100
    pretraining: False
Loss:
  name: ABINetLoss
  ignore_index: *ignore_index

PostProcess:
  name: ABINetLabelDecode

Metric:
  name: RecMetric
  main_indicator: acc
  is_filter: True

Train:
  dataset:
    name: LMDBDataSet
    data_dir: ../Union14M-L-LMDB-Filtered
    transforms:
      - DecodeImagePIL: # load image
          img_mode: RGB
      - PARSeqAugPIL:
      - ABINetLabelEncode:
          ignore_index: *ignore_index
      - RecTVResize:
          image_shape: [32, 128]
          padding: False
      - KeepKeys:
          keep_keys: ['image', 'label', 'length'] # dataloader will return list in this order
  loader:
    shuffle: True
    batch_size_per_card: 256
    drop_last: True
    num_workers: 4

Eval:
  dataset:
    name: LMDBDataSet
    data_dir: ../evaluation
    transforms:
      - DecodeImagePIL: # load image
          img_mode: RGB
      - ABINetLabelEncode:
          ignore_index: *ignore_index
      - RecTVResize:
          image_shape: [32, 128]
          padding: False
      - KeepKeys:
          keep_keys: ['image', 'label', 'length'] # dataloader will return list in this order
  loader:
    shuffle: False
    drop_last: False
    batch_size_per_card: 256
    num_workers: 2