AI RESEARCH
SphereVAD: Training-Free Video Anomaly Detection via Geodesic Inference on the Unit Hypersphere
arXiv CS.CV
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ArXi:2605.08003v1 Announce Type: new Video anomaly detection (VAD) aims to automatically identify events that deviate from normal patterns in untrimmed surveillance videos. Existing methods universally depend on large-scale annotations or task-specific