Search Results for author: Ruoqi Li

Found 3 papers, 2 papers with code

Hierarchical Gaussian Mixture Normalizing Flow Modeling for Unified Anomaly Detection

no code implementations20 Mar 2024 Xincheng Yao, Ruoqi Li, Zefeng Qian, Lu Wang, Chongyang Zhang

In this paper, we propose a novel Hierarchical Gaussian mixture normalizing flow modeling method for accomplishing unified Anomaly Detection, which we call HGAD.

Anomaly Detection

Focus the Discrepancy: Intra- and Inter-Correlation Learning for Image Anomaly Detection

1 code implementation ICCV 2023 Xincheng Yao, Ruoqi Li, Zefeng Qian, Yan Luo, Chongyang Zhang

Humans recognize anomalies through two aspects: larger patch-wise representation discrepancies and weaker patch-to-normal-patch correlations.

Anomaly Detection Self-Supervised Learning

Explicit Boundary Guided Semi-Push-Pull Contrastive Learning for Supervised Anomaly Detection

1 code implementation CVPR 2023 Xincheng Yao, Ruoqi Li, Jing Zhang, Jun Sun, Chongyang Zhang

In this way, our model can form a more explicit and discriminative decision boundary to distinguish known and also unseen anomalies from normal samples more effectively.

Ranked #3 on Supervised Anomaly Detection on MVTec AD (using extra training data)

Contrastive Learning Supervised Anomaly Detection

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