code: def get_itk_image_center(image):
      """
      Calculates the center of the ITK image based on its origin, size, and spacing.
      This center is equivalent to the implicit image center that MONAI uses.
  
      Args:
          image: The ITK image.
  
      Returns:
          The center of the image as a list of coordinates.
      """
      image_size = np.asarray(
          image.GetLargestPossibleRegion().GetSize(), np.float32
      )
      spacing = np.asarray(image.GetSpacing())
      origin = np.asarray(image.GetOrigin())
      center = (
          image.GetDirection() @ ((image_size / 2 - 0.5) * spacing)
          + origin
      )
  
      return center.tolist()
  
imports: from __future__ import annotations
  from typing import TYPE_CHECKING, cast
  import numpy
  import torch
  from monai.config.type_definitions import DtypeLike
  from monai.data import ITKReader, ITKWriter
  from monai.data.meta_tensor import MetaTensor
  from monai.data.utils import orientation_ras_lps
  from monai.transforms import EnsureChannelFirst
  from monai.utils import MetaKeys, SpaceKeys, convert_to_dst_type, optional_import
label_desc: Use image node_id 5 for calling a global function with example usage: get_itk_image_center(image) and returns: center