code: def pixels(self: DcmDataset):
      "`pixel_array` as a tensor"
      return tensor(self.pixel_array.astype(np.float32))
  
imports: from __future__ import annotations
  from ..basics import *
  from ..vision.all import *
  from ..data.transforms import *
  import pydicom, kornia, skimage
  from pydicom.dataset import Dataset
  from pydicom.tag import BaseTag
  from pydicom.multival import MultiValue
  from PIL import Image
label_desc: Use image node_id 4 for calling a global function with example usage: pixels() and returns: tensor