code: def init_stats():
      """Initialize evaluation stats."""
      stats = {}
      for k in SYSNET_CLASSES:
          stats[k] = {
              "cnt": 0,
              "iou": 0.0,
              "chamfer": 0.0,
              "fscore": 0.0,
          }
      return stats
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  from os import path
  import numpy
  import scipy
  from skimage import measure
  import tensorflow.compat.v1
  from tensorflow_graphics.projects.cvxnet.lib import datasets
  from tensorflow_graphics.projects.cvxnet.lib import models
  from tensorflow_graphics.projects.cvxnet.lib.libmise import mise
  import trimesh
label_desc: Use image node_id 8 for calling a global function with example usage: init_stats() and returns: stats