code: def _reset_parameters(self):
      normal_(self.level_embed.weight)
      normal_(self.tgt_embed.weight)
      normal_(self.query_pos_embed.weight)
      xavier_uniform_(self.reference_points.weight)
      constant_(self.reference_points.bias)
      for l in self.input_proj:
          xavier_uniform_(l[0].weight)
          constant_(l[0].bias)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import math
  import paddle
  import paddle.nn
  import paddle.nn.functional
  from paddle import ParamAttr
  from ppdet.core.workspace import register
  from ..layers import MultiHeadAttention
  from .position_encoding import PositionEmbedding
  from .utils import _get_clones, get_valid_ratio
  from ..initializer import linear_init_, constant_, xavier_uniform_, normal_
label_desc: Use image node_id 2 for calling the DeformableTransformer obj's underlying member method code with example usage: obj._reset_parameters() without return types