table_master.yml

Global:
  use_gpu: true
  epoch_num: 17
  log_smooth_window: 20
  print_batch_step: 100
  save_model_dir: ./output/table_master/
  save_epoch_step: 17
  eval_batch_step: [0,  6259]
  cal_metric_during_train: true
  pretrained_model: null
  checkpoints:
  save_inference_dir: output/table_master/infer
  use_visualdl: false
  infer_img: ppstructure/docs/table/table.jpg
  save_res_path: ./output/table_master
  character_dict_path: ppocr/utils/dict/table_master_structure_dict.txt
  infer_mode: false
  max_text_length: &max_text_length 500
  box_format: &box_format 'xywh' # 'xywh', 'xyxy', 'xyxyxyxy'


Optimizer:
  name: Adam
  beta1: 0.9
  beta2: 0.999
  lr:
    name: MultiStepDecay
    learning_rate: 0.001
    milestones: [12, 15]
    gamma: 0.1
    warmup_epoch: 0.02
  regularizer:
    name: L2
    factor: 0.0

Architecture:
  model_type: table
  algorithm: TableMaster
  Backbone:
    name: TableResNetExtra
    gcb_config:
      ratio: 0.0625
      headers: 1
      att_scale: False
      fusion_type: channel_add
      layers: [False, True, True, True]
    layers: [1,2,5,3]
  Head:
    name: TableMasterHead
    hidden_size: 512
    headers: 8
    dropout: 0
    d_ff: 2024
    max_text_length: *max_text_length
    loc_reg_num: &loc_reg_num 4

Loss:
  name: TableMasterLoss
  ignore_index: 42 # set to len of dict + 3

PostProcess:
  name: TableMasterLabelDecode
  box_shape: pad
  merge_no_span_structure: &merge_no_span_structure True

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

Train:
  dataset:
    name: PubTabDataSet
    data_dir: train_data/table/pubtabnet/train/
    label_file_list: [train_data/table/pubtabnet/PubTabNet_2.0.0_train.jsonl]
    transforms:
      - DecodeImage:
          img_mode: BGR
          channel_first: False
      - TableMasterLabelEncode:
          learn_empty_box: False
          merge_no_span_structure: *merge_no_span_structure
          replace_empty_cell_token: True
          loc_reg_num: *loc_reg_num
          max_text_length: *max_text_length
      - ResizeTableImage:
          max_len: 480
          resize_bboxes: True
      - PaddingTableImage:
          size: [480, 480]
      - TableBoxEncode:
          box_format: *box_format
      - NormalizeImage:
          scale: 1./255.
          mean: [0.5, 0.5, 0.5]
          std: [0.5, 0.5, 0.5]
          order: hwc
      - ToCHWImage: null
      - KeepKeys:
          keep_keys: [image, structure, bboxes, bbox_masks, shape]
  loader:
    shuffle: True
    batch_size_per_card: 10
    drop_last: True
    num_workers: 8

Eval:
  dataset:
    name: PubTabDataSet
    data_dir: train_data/table/pubtabnet/val/
    label_file_list: [train_data/table/pubtabnet/PubTabNet_2.0.0_val.jsonl]
    transforms:
      - DecodeImage:
          img_mode: BGR
          channel_first: False
      - TableMasterLabelEncode:
          learn_empty_box: False
          merge_no_span_structure: *merge_no_span_structure
          replace_empty_cell_token: True
          loc_reg_num: *loc_reg_num
          max_text_length: *max_text_length
      - ResizeTableImage:
          max_len: 480
          resize_bboxes: True
      - PaddingTableImage:
          size: [480, 480]
      - TableBoxEncode:
          box_format: *box_format
      - NormalizeImage:
          scale: 1./255.
          mean: [0.5, 0.5, 0.5]
          std: [0.5, 0.5, 0.5]
          order: hwc
      - ToCHWImage: null
      - KeepKeys:
          keep_keys: [image, structure, bboxes, bbox_masks, shape]
  loader:
    shuffle: False
    drop_last: False
    batch_size_per_card: 10
    num_workers: 8