code: def __call__(self, image, im_info):
      s = self.size
      h, w, _ = image.shape
      trans, size_resized = get_affine_mat_kernel(h, w, s, inv=False)
      image_resized = cv2.warpAffine(image, trans, size_resized)
      return image_resized, im_info
  
file_path: PaddleDetection/deploy/python/keypoint_preprocess.py
imports: import cv2
  import numpy
label_desc: Use image node_id 2 for calling the EvalAffine obj's underlying member method code with example usage: obj.__call__(image, im_info) and returns: image_resized,  im_info