code: def postprocess(self, tensor):
      img = tensor.numpy()[0]
      img = img.transpose((1, 2, 0))
      img = (img * self.std + self.mean) / self.scale
      img = np.maximum(img, 0.0)
      img = np.minimum(img, 255.0)
      img = img.astype("uint8")
      return img
  
file_path: PaddleOCR/StyleText/engine/predictors.py
imports: import numpy
  import cv2
  import math
  import paddle
  from arch import style_text_rec
  from utils.sys_funcs import check_gpu
  from utils.logging import get_logger
label_desc: Use image node_id 6 for calling the StyleTextRecPredictor obj's underlying member method code with example usage: obj.postprocess(tensor) and returns: img