code: def _get_image(self):
      img = self.current_sample[self.image_field]
      return self._parse_image(img)
  
imports: import fiftyone.core.labels
  import fiftyone.core.utils
  import fiftyone.types
  import fiftyone.utils.imagenet
  import fiftyone.utils.data
  import fiftyone.zoo.datasets
label_desc: Use image node_id 2 for calling the _TFDSImageDetectionSampleParser obj's underlying member method code with example usage: obj._get_image() and returns: self