{
  "execution_date": "2025-11-25 09:30:17",
  "total_images": 835,
  "num_clusters_optimal": 9,
  "clustering_methods": [
    "kmeans",
    "hierarchical"
  ],
  "evaluation": {
    "kmeans": {
      "silhouette": 0.06786604225635529,
      "calinski_harabasz": 46.468151482533365,
      "davies_bouldin": 2.6285998755984106
    },
    "hierarchical": {
      "silhouette": 0.020183328539133072,
      "calinski_harabasz": 40.86558210361072,
      "davies_bouldin": 2.6687407704705866
    }
  },
  "split_distribution": {
    "train": 584,
    "val": 125,
    "test": 126
  }
}