{
  "system_name": "AP3X-Inspired QR Detection",
  "approach": "Johns Hopkins 4-Model Ensemble",
  "features": 50,
  "unusual_pattern_features": 20,
  "standard_features": 30,
  "ensemble_accuracy": 0.7762762762762763,
  "ensemble_auc": 0.8457490353177415,
  "individual_accuracies": {
    "XGBoost": 0.7652652652652653,
    "LightGBM": 0.7692692692692693,
    "RandomForest": 0.7777777777777778,
    "GradientBoosting": 0.7782782782782782
  },
  "target_achieved": false
}