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Multi-class Anomaly Detection

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Benchmarks

MVTec AD

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ITDD

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Papers

XMatchAD: A Cross-Modal Matching Perspective on Reconstruction-based Anomaly Detection

2026-07-26 · Mingxiu Cai, Zhe Zhang, Gaochang Wu, Tianyou Chai arxiv

The remarkable success of reconstruction-based methods in Unsupervised Anomaly Detection (UAD) lies in their ability to identify and localize anomalies by modeling discrepancies between input images and their reconstruct…

Unsupervised Anomaly DetectionMulti-class Anomaly Detection

BoRAD: Bootstrap your Own Representations for Multi-class Anomaly Detection

2026-06-12 · Duy Hoang Khuong, Tri Nguyen Minh, Ngu Huynh Cong Viet arxiv

Reconstruction-based anomaly detection is attractive for industrial inspection, but scaling it from category-specific training to a one-for-all setting is challenging. A single model must reconstruct diverse normal appea…

Multi-class Anomaly Detection

Uni-RCM: Unified Reference-guided Cross-modal Mapping for Multi-Class Anomaly Detection

2026-05-28 · Yangchen Wu, Huiqiang Xie arxiv

Multi-modal industrial anomaly detection typically relies on separate models for each product category, fundamentally limiting practical scalability. When shifting to a unified paradigm that handles diverse classes simul…

Multi-class Anomaly Detection

Dual Prototype-Conditioned Diffusion Model for Scalable Multi-Class Unsupervised Anomaly Detection in Large Category Spaces

2026-05-23 · Yaoxuan Feng, Yuxin Li, Weijiang Lv, Zixuan Zhao 외 arxiv

Multi-class anomaly detection aims to build unified models across diverse product categories. However, as the number of categories grows, its performance often degrades due to increasingly complex and heterogeneous norma…

Unsupervised Anomaly DetectionMulti-class Anomaly Detection

Large-Scale Universal Defect Generation: Foundation Models and Datasets

2026-04-10 · Yuanting Fan, Jun Liu, Bin-Bin Gao, Xiaochen Chen 외 arxiv

Existing defect/anomaly generation methods often rely on few-shot learning, which overfits to specific defect categories due to the lack of large-scale paired defect editing data. This issue is aggravated by substantial …

Multi-class Anomaly DetectionFew-Shot Learning

AnyAD: Unified Any-Modality Anomaly Detection in Incomplete Multi-Sequence MRI

2025-12-24 · Changwei Wu, Yifei Chen, Yuxin Du, Mingxuan Liu 외 arxiv

Reliable anomaly detection in brain MRI remains challenging due to the scarcity of annotated abnormal cases and the frequent absence of key imaging modalities in real clinical workflows. Existing single-class or multi-cl…

Multi-class Anomaly Detection

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