config.json

{
  "embed_size": 256,
  "hidden_size": 512,
  "num_regions": 16,
  "vocab_size": 7673,
  "max_len": 40,
  "dropout": 0.4,
  "beam_width": 5,
  "length_penalty": 0.7,
  "repetition_penalty": 1.2
}