code: def __call__(self, output, center, scale):
      preds, maxvals = self.get_final_preds(output, center, scale)
      outputs = [
          [
              np.concatenate((preds, maxvals), axis=-1),
              np.mean(maxvals, axis=1),
          ]
      ]
      return outputs
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import paddle
  import numpy
  import math
  import cv2
  from ppdet.core.workspace import register, create, serializable
  from .meta_arch import BaseArch
  from ..keypoint_utils import transform_preds
  from ..None import layers
label_desc: Use image node_id 6 for calling the VitPosePostProcess obj's underlying member method code with example usage: obj.__call__(output, center, scale) and returns: outputs