FreeUp decomposes encrypted traffic into frequency-specific branches with dedicated training and uses uncertainty-inspired fusion to produce more reliable anomaly scores than standard reconstruction methods.
Facing Anomalies Head-On: Network traffic anomaly detection via uncertainty-inspired inter-sample differences
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Decompose to Understand, Fuse to Detect: Frequency-Decoupled Anomaly Detection for Encrypted Network Traffic
FreeUp decomposes encrypted traffic into frequency-specific branches with dedicated training and uses uncertainty-inspired fusion to produce more reliable anomaly scores than standard reconstruction methods.