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"""Backbones configurations."""

import dataclasses

from official.modeling import hyperparams
from official.vision.configs import backbones


@dataclasses.dataclass
class Hourglass(hyperparams.Config):
  """Hourglass config."""
  model_id: int = 52
  input_channel_dims: int = 128
  num_hourglasses: int = 2
  initial_downsample: bool = True
  activation: str = 'relu'


@dataclasses.dataclass
class Backbone(backbones.Backbone):
  hourglass: Hourglass = dataclasses.field(default_factory=Hourglass)
