{
  "execution_date": "2025-11-25 09:41:48",
  "total_images": 616,
  "num_clusters_optimal": 4,
  "clustering_methods": [
    "kmeans",
    "hierarchical"
  ],
  "evaluation": {
    "kmeans": {
      "silhouette": 0.0813688412308693,
      "calinski_harabasz": 45.59890965532212,
      "davies_bouldin": 3.009361990964972
    },
    "hierarchical": {
      "silhouette": 0.050084203481674194,
      "calinski_harabasz": 37.75980802189871,
      "davies_bouldin": 3.217781425643781
    }
  },
  "split_distribution": {
    "train": 431,
    "val": 92,
    "test": 93
  }
}