code: def __init__(
      self,
      feature_channels=256,
      offset_ratio=1000.0,
      offset_rescale_factor=512,
  ):
      SimpleDetectionDecoder.__init__(self, feature_channels)
  
      self.offset_ratio = offset_ratio
      self.offset_rescale_factor = offset_rescale_factor
  
imports: import torch
  import torch.nn
  import torch.nn.functional
  from backbones.upsample_head import SimpleUpsampleHead
label_desc: Use image node_id 1 to create a new SimpleMSRDecoder object from inherited base classes: SimpleDetectionDecoder with example: obj = SimpleMSRDecoder(feature_channels, offset_ratio, offset_rescale_factor)