class_docstr: Prepare data for open vocabulary detection models specified by "prefix".
class_docstr_tok: ["Prepare","data","for","open","vocabulary","detection","models","specified","by","``","prefix","''","."]
code: def train_processor(self, image_data):
      raise NotImplementedError(
          "Training mode not implemented for OVD yet."
      )
  
imports: import logging
  import warnings
  from typing import Callable, Dict, List, Optional, Union
  import numpy
  import PIL
  from PIL import ImageFile
  from torch import nn
  from ..constants import COLUMN, IMAGE, IMAGE_META, IMAGE_VALID_NUM, PROMPT, TEXT
  from .collator import ListCollator, PadCollator
  from .utils import is_rois_input
label_desc: Use image node_id 9 for calling the OVDProcessor obj's underlying member method code with example usage: obj.train_processor(image_data) without return types