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Structural Teacher-Student Normality Learning for Multi-Class Anomaly Detection and Localization
Feb. 28, 2024, 5:46 a.m. | Hanqiu Deng, Xingyu Li
cs.CV updates on arXiv.org arxiv.org
Abstract: Visual anomaly detection is a challenging open-set task aimed at identifying unknown anomalous patterns while modeling normal data. The knowledge distillation paradigm has shown remarkable performance in one-class anomaly detection by leveraging teacher-student network feature comparisons. However, extending this paradigm to multi-class anomaly detection introduces novel scalability challenges. In this study, we address the significant performance degradation observed in previous teacher-student models when applied to multi-class anomaly detection, which we identify as resulting from cross-class …
abstract anomaly anomaly detection arxiv class cs.cv data detection distillation feature knowledge localization modeling network normal normality paradigm patterns performance set type visual
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