SLANet.yml

Global:
  use_gpu: true
  epoch_num: 100
  log_smooth_window: 20
  print_batch_step: 20
  save_model_dir: ./output/SLANet
  save_epoch_step: 400
  # evaluation is run every 1000 iterations after the 0th iteration
  eval_batch_step: [0, 1000]
  cal_metric_during_train: True
  pretrained_model:
  checkpoints:
  save_inference_dir: ./output/SLANet/infer
  use_visualdl: False
  infer_img: ppstructure/docs/table/table.jpg
  # for data or label process
  character_dict_path: ppocr/utils/dict/table_structure_dict.txt
  character_type: en
  max_text_length: &max_text_length 500
  box_format: &box_format 'xyxy' # 'xywh', 'xyxy', 'xyxyxyxy'
  infer_mode: False
  use_sync_bn: True
  save_res_path: 'output/infer'

Optimizer:
  name: Adam
  beta1: 0.9
  beta2: 0.999
  clip_norm: 5.0
  lr:
    name: Piecewise
    learning_rate: 0.001
    decay_epochs : [40, 50]
    values : [0.001, 0.0001, 0.00005]
  regularizer:
    name: 'L2'
    factor: 0.00000

Architecture:
  model_type: table
  algorithm: SLANet
  Backbone:
    name: PPLCNet
    scale: 1.0
    pretrained: true
    use_ssld: true
  Neck:
    name: CSPPAN
    out_channels: 96
  Head:
    name: SLAHead
    hidden_size: 256
    max_text_length: *max_text_length
    loc_reg_num: &loc_reg_num 4

Loss:
  name: SLALoss
  structure_weight: 1.0
  loc_weight: 2.0
  loc_loss: smooth_l1

PostProcess:
  name: TableLabelDecode
  merge_no_span_structure: &merge_no_span_structure True

Metric:
  name: TableMetric
  main_indicator: acc
  compute_bbox_metric: False
  loc_reg_num: *loc_reg_num
  box_format: *box_format

Train:
  dataset:
    name: PubTabDataSet
    data_dir: ./train_data/pubtabnet/train/
    label_file_list: [./train_data/pubtabnet/train.jsonl]
    transforms:
      - DecodeImage: # load image
          img_mode: BGR
          channel_first: False
      - TableLabelEncode:
          learn_empty_box: False
          merge_no_span_structure: *merge_no_span_structure
          replace_empty_cell_token: False
          loc_reg_num: *loc_reg_num
          max_text_length: *max_text_length
      - TableBoxEncode:
          in_box_format: *box_format
          out_box_format: *box_format
      - ResizeTableImage:
          max_len: 488
      - NormalizeImage:
          scale: 1./255.
          mean: [0.485, 0.456, 0.406]
          std: [0.229, 0.224, 0.225]
          order: 'hwc'
      - PaddingTableImage:
          size: [488, 488]
      - ToCHWImage:
      - KeepKeys:
          keep_keys: [ 'image', 'structure', 'bboxes', 'bbox_masks', 'shape' ]
  loader:
    shuffle: True
    batch_size_per_card: 48
    drop_last: True
    num_workers: 1

Eval:
  dataset:
    name: PubTabDataSet
    data_dir: ./train_data/pubtabnet/test/
    label_file_list: [./train_data/pubtabnet/test.jsonl]
    transforms:
      - DecodeImage: # load image
          img_mode: BGR
          channel_first: False
      - TableLabelEncode:
          learn_empty_box: False
          merge_no_span_structure: *merge_no_span_structure
          replace_empty_cell_token: False
          loc_reg_num: *loc_reg_num
          max_text_length: *max_text_length
      - TableBoxEncode:
          in_box_format: *box_format
          out_box_format: *box_format
      - ResizeTableImage:
          max_len: 488
      - NormalizeImage:
          scale: 1./255.
          mean: [0.485, 0.456, 0.406]
          std: [0.229, 0.224, 0.225]
          order: 'hwc'
      - PaddingTableImage:
          size: [488, 488]
      - ToCHWImage:
      - KeepKeys:
          keep_keys: [ 'image', 'structure', 'bboxes', 'bbox_masks', 'shape' ]
  loader:
    shuffle: False
    drop_last: False
    batch_size_per_card: 48
    num_workers: 1