class_docstr: Crop a subimage from an image.
class_docstr_tok: ["Crop","a","subimage","from","an","image","."]
code: def apply_coords(self, coords):
      coords[:, 0] -= self.x0
      coords[:, 1] -= self.y0
      return coords
  
imports: import numpy
  import cv2
  from ...utils.argtools import log_once
  from .base import ImageAugmentor, _default_repr
label_desc: Use image node_id 3 for calling the CropTransform obj's underlying member method code with example usage: obj.apply_coords(coords) and returns: coords