_BASE_: [
  '../datasets/dota_debug.yml',
  '../runtime.yml',
  '_base_/s2anet_optimizer_1x.yml',
  '_base_/s2anet.yml',
  '_base_/s2anet_reader.yml',
]
weights: output/s2anet_1x_dota/model_final
S2ANetHead:
  anchor_strides: [ 8, 16, 32, 64, 128 ]
  anchor_scales: [ 4 ]
  anchor_ratios: [ 1.0 ]
  anchor_assign: RBoxAssigner
  stacked_convs: 2
  feat_in: 256
  feat_out: 256
  num_classes: 15
  align_conv_type: 'Conv'  # AlignConv Conv
  align_conv_size: 3
  use_sigmoid_cls: True