Unsupervised & Semi-Supervised From survey PDF — verify links
MLLM-EVAD
MLLM-EVAD — Semantic Normality Exemplars
arXiv · 2025Human-reviewed summary status
Survey summary
Uses MLLM-generated descriptions of single-object activities and object-pair interactions as scene-specific normality exemplars; at inference, new descriptions are compared to compact nominal exemplar sets, yielding anomaly scores plus textual evidence.
Taxonomy placement
Unsupervised & Semi-Supervised
Unsupervised & Semi-SupervisedSemantic Normality Exemplars
Method characteristics
Unsupervised & Semi-SupervisedObject-centricMLLM descriptionsExemplar matching