{ "reconstruction_thresholds": { "description": "Calibrated MSE reconstruction error thresholds", "dataset_real": "CIFAR-10 test set", "dataset_fake": "Random Noise test set", "image_size": [ 128, 128 ], "normalization": "mean=0.5, std=0.5 (range [-1, 1])", "thresholds": { "strict": { "value": 0.012767740525305271, "description": "High confidence - 99th percentile of real images", "expected_tpr": 1.0, "expected_fpr": 0.01 }, "balanced": { "value": 0.009065581485629082, "description": "Balanced - 95th percentile of real images", "expected_tpr": 1.0, "expected_fpr": 0.05 }, "sensitive": { "value": 0.00931915920227766, "description": "Sensitive - mean + 2*std of real images", "expected_tpr": 1.0, "expected_fpr": 0.0448 }, "optimal": { "value": 0.20403903722763062, "description": "Optimal separation between distributions", "expected_tpr": 1.0, "expected_fpr": 0.0 } }, "statistics": { "real_images": { "mean": 0.004293377045542002, "std": 0.0025128910783678293, "median": 0.003766049398109317, "min": 0.00019204482669010758, "max": 0.02400028333067894, "percentile_95": 0.009065581485629082, "percentile_99": 0.012767740525305271 }, "fake_images": { "mean": 0.40168634057044983, "median": 0.4016798138618469, "min": 0.3955906331539154, "max": 0.4081667363643646, "percentile_5": 0.3990125060081482 }, "separation": { "mean_difference": 0.39739295840263367, "ratio": 93.55953216552734 } }, "note": "These thresholds are calibrated on CIFAR-10 vs Random Noise. For real deepfake detection, recalibrate on actual fake images." } }