Table 4.

Anomaly detection metrics across methods and modalities.

Model	Precision	Recall	F1-score	ROC-AUC
Isolation forest	0.81	0.76	0.78	0.82
One-class SVM	0.79	0.72	0.75	0.8
Autoencoder (AE)	0.86	0.82	0.84	0.88
Proposed VAE framework	0.91	0.89	0.9	0.93