{
  "accuracy": 0.8425,
  "f1_macro": 0.735462542106115,
  "per_class_f1": {
    "asphalt": 0.7906976744186046,
    "concrete": 0.7794117647058824,
    "metal": 0.5490196078431373,
    "other": 0.9070208728652751,
    "wood": 0.6511627906976745
  }
}