class_docstr: Prepare sample for usage as network input.
      
code: def __init__(self):
      pass
  
file_path: PaddleHub/modules/image/depth_estimation/MiDaS_Large/transforms.py
imports: import numpy
  import cv2
label_desc: Use image node_id 1 to create a new PrepareForNet object from inherited base classes: object with example: obj = PrepareForNet()