code: def params_to_vertices(self, params, H, W):
      fitted_sp, fitted_ep, fitted_s, fitted_angles, fitted_t = params
      fitted_vertices = self.bfm.generate_vertices(fitted_sp, fitted_ep)
      transformed_vertices = self.bfm.transform(
          fitted_vertices, fitted_s, fitted_angles, fitted_t
      )
      transformed_vertices = self.preprocess(
          transformed_vertices.T, W, H
      )
      image_vertices = face3d.mesh.transform.to_image(
          transformed_vertices, H, W
      )
      return image_vertices
  
imports: import os, sys, datetime
  import numpy
  import os.path
  import albumentations
  from albumentations.core.transforms_interface import ImageOnlyTransform
  from .face_analysis import FaceAnalysis
  from ..utils import get_model_dir
  from ..thirdparty import face3d
  from ..data import get_image
  from ..utils import DEFAULT_MP_NAME
  import cv2
label_desc: Use image node_id 6 for calling the MaskRenderer obj's underlying member method code with example usage: obj.params_to_vertices(params, H, W) and returns: image_vertices