{
  "execution_date": "2025-11-22 10:01:00",
  "total_images": 960,
  "num_clusters_optimal": 12,
  "clustering_methods": [
    "kmeans",
    "hierarchical"
  ],
  "evaluation": {
    "kmeans": {
      "silhouette": 0.22890536487102509,
      "calinski_harabasz": 127.44515002617231,
      "davies_bouldin": 1.5800021873810774
    },
    "hierarchical": {
      "silhouette": 0.19504642486572266,
      "calinski_harabasz": 122.06407547616637,
      "davies_bouldin": 1.7087887339867935
    }
  },
  "split_distribution": {
    "train": 672,
    "val": 144,
    "test": 144
  }
}