class_docstr: Crop a subimage from an image.
class_docstr_tok: ["Crop","a","subimage","from","an","image","."]
code: def __init__(self, y0, x0, h, w):
      super(CropTransform, self).__init__()
      self._init(locals())
  
imports: import numpy
  import cv2
  from ...utils.argtools import log_once
  from .base import ImageAugmentor, _default_repr
label_desc: Use image node_id 1 to create a new CropTransform object from inherited base classes: Transform with example: obj = CropTransform(y0, x0, h, w)