class_docstr: SSD: Single Shot MultiBox Detector
      
class_docstr_tok: ["SSD",":","Single","Shot","MultiBox","Detector"]
code: def get_base_network_checkpoint_vars(self):
      return self.feature_extractor.get_base_network_checkpoint_vars()
  
file_path: luminoth/luminoth/models/ssd/ssd.py
imports: import numpy
  import sonnet
  import tensorflow
  from sonnet.python.modules.conv import Conv2D
  from luminoth.models.ssd.feature_extractor import SSDFeatureExtractor
  from luminoth.models.ssd.proposal import SSDProposal
  from luminoth.models.ssd.target import SSDTarget
  from luminoth.models.ssd.utils import generate_raw_anchors, adjust_bboxes
  from luminoth.utils.losses import smooth_l1_loss
  from luminoth.utils.bbox_transform import clip_boxes
label_desc: Use image node_id 6 for calling the SSD obj's underlying member method code with example usage: obj.get_base_network_checkpoint_vars() and returns: self