code: def identify_by_ssim(
      self, query_sprite, score_threshold=0, debug=False
  ):
      top_sprite_score = 0
      top_sprite_match = None
  
      for sprite_name, sprite in self.sprites.items():
          if (
              sprite.image_data[..., 0].shape[:2]
              == query_sprite.image_data[..., 0].shape[:2]
          ):
              for i in range(sprite.image_data.shape[3]):
                  for ii in range(query_sprite.image_data.shape[3]):
                      sprite_image = sprite.image_data[..., :3, i]
                      query_sprite_image = query_sprite.image_data[
                          ..., :3, ii
                      ]
  
                      ssim_score = int(
                          skimage.measure.compare_ssim(
                              query_sprite_image,
                              sprite_image,
                              multichannel=True,
                          )
                          * 100
                      )
  
                      if debug:
                          print(sprite_name, ssim_score)
  
                      if ssim_score > top_sprite_score:
                          top_sprite_score = ssim_score
                          top_sprite_match = sprite_name
          else:
              if debug:
                  print(
                      f"The shape of '{sprite_name}' does not match the query sprite's shape. Skipping!"
                  )
  
      return (
          top_sprite_match
          if top_sprite_score >= score_threshold
          else "UNKNOWN"
      )
  
imports: import skimage.measure
label_desc: Use image node_id 5 for calling the SpriteIdentifier obj's underlying member method code with example usage: obj.identify_by_ssim(query_sprite, score_threshold, debug) and returns: unknown