{
  "execution_date": "2025-11-25 09:34:25",
  "total_images": 835,
  "num_clusters_optimal": 4,
  "clustering_methods": [
    "kmeans",
    "hierarchical"
  ],
  "evaluation": {
    "kmeans": {
      "silhouette": 0.1397116631269455,
      "calinski_harabasz": 75.12685146722042,
      "davies_bouldin": 2.627410637580935
    },
    "hierarchical": {
      "silhouette": 0.13697390258312225,
      "calinski_harabasz": 64.95044036434278,
      "davies_bouldin": 2.7714169597793563
    }
  },
  "split_distribution": {
    "train": 584,
    "val": 125,
    "test": 126
  }
}