code: def optimaize(self):
      return
  
imports: import torch
  import torch.nn
  import numpy
  import trimesh
  import os
  from utils import rend_util
  from model.embedder import *
  from model.ray_tracing import RayTracing
  from model.sample_network import SampleNetwork
label_desc: Use image node_id 3 for calling the SpecularNetwork obj's underlying member method code with example usage: obj.optimaize() without return types