{
  "feature_size": 165,
  "swatch_size": 64,
  "model_type": "KNN+RF+SVM_ensemble",
  "n_classes": 420,
  "ensemble_weights": {
    "knn": 0.25,
    "rf": 0.35,
    "svm": 0.4
  },
  "knn_neighbors": 7,
  "improvements": [
    "32-bin histograms",
    "Gabor texture",
    "Delta-E normalization",
    "SVM C=20",
    "Real KNN k=7 distance-weighted"
  ]
}