docstr: initialize with the necessary elements
docstr_tok: ["initialize","with","the","necessary","elements"]
code: def __init__(self, enable_mkldnn=False):
      """
      initialize with the necessary elements
      """
      self.pretrained_model_path = os.path.join(
          self.directory, "inference_model", "ppocrv3_det"
      )
      self.enable_mkldnn = enable_mkldnn
  
      self._set_config()
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import argparse
  import ast
  import base64
  import os
  import time
  from io import BytesIO
  import cv2
  import numpy
  import paddle.inference
  from PIL import Image
  from paddlehub.module.module import moduleinfo
  from paddlehub.module.module import runnable
  from paddlehub.module.module import serving
  from paddlehub.utils.utils import logger
label_desc: Use image node_id 1 to create a new ChPPOCRv3Det object  with example: obj = ChPPOCRv3Det(enable_mkldnn)