code: def __init__(self, size, stride=64):
      super(EvalAffine, self).__init__()
      self.size = size
      self.stride = stride
  
file_path: PaddleDetection/deploy/python/keypoint_preprocess.py
imports: import cv2
  import numpy
label_desc: Use image node_id 1 to create a new EvalAffine object from inherited base classes: object with example: obj = EvalAffine(size, stride)