{
  "execution_date": "2025-11-22 09:43:01",
  "total_images": 960,
  "num_clusters_optimal": 5,
  "clustering_methods": [
    "kmeans",
    "hierarchical"
  ],
  "evaluation": {
    "kmeans": {
      "silhouette": 0.25664860010147095,
      "calinski_harabasz": 188.2821006700769,
      "davies_bouldin": 1.4328639029254886
    },
    "hierarchical": {
      "silhouette": 0.2541407346725464,
      "calinski_harabasz": 185.88993680190046,
      "davies_bouldin": 1.4600066454845515
    }
  },
  "split_distribution": {
    "train": 672,
    "val": 144,
    "test": 144
  }
}