Unsupervised & Semi-Supervised From survey PDF — verify links
HyCoVAD
HyCoVAD — Detect-then-Validate
arXiv · 2025Human-reviewed summary status
Survey summary
Hybrid SSL-LLM model for complex interaction anomalies: a self-supervised detector selects suspicious frames, then a VLM/LLM validation stage uses refined captions and environment rules to decide whether the event is anomalous.
Taxonomy placement
Unsupervised & Semi-Supervised
Unsupervised & Semi-SupervisedDetect-then-Validate
Method characteristics
Unsupervised & Semi-SupervisedHybrid SSL-LLMInteraction anomaliesRule validation