{
  "text_height": 48,
  "max_width": 8100,
  "embd_dim": 320,
  "num_heads": 4,
  "encoder_layers": 4,
  "decoder_layers": 5,
  "beam_size_default": 5,
  "max_seq_length_default": 255,
  "pad_token_id": 0,
  "bos_token_id": 1,
  "eos_token_id": 2,
  "space_token": "<SP>",
  "dictionary_file": "alphabet-all-v7.txt"
}