class_docstr: Support the OVD models.
  Now support GroundingDINO: https://github.com/IDEA-Research/GroundingDINO
class_docstr_tok: ["Support","the","OVD","models",".","Now","support","GroundingDINO",":","https",":","\/\/github.com\/IDEA-Research\/GroundingDINO"]
code: def image_key(self):
      return f"{self.prefix}_{IMAGE}"
  
file_path: autogluon/multimodal/src/autogluon/multimodal/models/ovd.py
imports: import logging
  import os
  from typing import Optional
  import torch
  from torch import nn
  from ..constants import AUTOMM, BBOX, COLUMN, COLUMN_FEATURES, FEATURES, IMAGE, IMAGE_META, IMAGE_VALID_NUM, LABEL, LOGIT_SCALE, LOGITS, MASKS, PROMPT, TEXT_TOKEN_IDS, TEXT_VALID_LENGTH
  from .utils import assign_layer_ids, get_column_features, init_weights
label_desc: Use image node_id 2 for calling the OVDModel obj's underlying member method code with example usage: obj.image_key() and returns: self, str, IMAGE