class_docstr: Base bounding box coder.
class_docstr_tok: ["Base","bounding","box","coder","."]
docstr: Encode deltas between bboxes and ground truth boxes.
docstr_tok: ["Encode","deltas","between","bboxes","and","ground","truth","boxes","."]
code: def encode(self, bboxes, gt_bboxes):
      """Encode deltas between bboxes and ground truth boxes."""
      pass
  
imports: from abc import ABCMeta, abstractmethod
label_desc: Use image node_id 2 for calling the BaseBBoxCoder obj's underlying member method code with example usage: obj.encode(bboxes, gt_bboxes) without return types