class_docstr: The quasi-dense track head.
docstr: bool: whether the multi-object tracker has an embed head
docstr_tok: ["bool",":","whether","the","multi-object","tracker","has","an","embed","head"]
code: def with_track(self) -> bool:
      """bool: whether the multi-object tracker has an embed head"""
      return hasattr(self, "embed_head") and self.embed_head is not None
  
file_path: mmdetection/mmdet/models/tracking_heads/quasi_dense_track_head.py
imports: from typing import List, Optional
  from mmengine.model import BaseModule
  from torch import Tensor
  from mmdet.registry import MODELS, TASK_UTILS
  from mmdet.structures import TrackSampleList
  from mmdet.structures.bbox import bbox2roi
  from mmdet.utils import InstanceList
label_desc: Use image node_id 4 for calling the QuasiDenseTrackHead obj's underlying member method code with example usage: obj.with_track() and returns: unknown