1 code implementation • 17 Mar 2024 • Xiaohao Xu, Yunkang Cao, Yongqi Chen, Weiming Shen, Xiaonan Huang
In addition, we unify the input representation of multi-modality into a 2D image format, enabling multi-modal anomaly detection and reasoning.
no code implementations • 7 Mar 2024 • Yuhu Bai, Jiangning Zhang, Yuhang Dong, Guanzhong Tian, Liang Liu, Yunkang Cao, Yabiao Wang, Chengjie Wang
We consider anomaly detection as a discriminative classification problem, wherefore the dual-path feature discrimination module is employed to detect and locate the image-level and feature-level anomalies in the feature space.
no code implementations • 29 Jan 2024 • Yunkang Cao, Xiaohao Xu, Jiangning Zhang, Yuqi Cheng, Xiaonan Huang, Guansong Pang, Weiming Shen
Visual Anomaly Detection (VAD) endeavors to pinpoint deviations from the concept of normality in visual data, widely applied across diverse domains, e. g., industrial defect inspection, and medical lesion detection.
1 code implementation • 16 Jan 2024 • Zhaoge Liu, Xiaohao Xu, Yunkang Cao, Weiming Shen
Knowledge distillation is the process of transferring knowledge from a more powerful large model (teacher) to a simpler counterpart (student).
1 code implementation • 5 Nov 2023 • Yunkang Cao, Xiaohao Xu, Chen Sun, Xiaonan Huang, Weiming Shen
This study explores the use of GPT-4V(ision), a powerful visual-linguistic model, to address anomaly detection tasks in a generic manner.
1 code implementation • 15 Jun 2023 • Yunkang Cao, Xiaohao Xu, Chen Sun, Yuqi Cheng, Liang Gao, Weiming Shen
This technical report introduces the winning solution of the team Segment Any Anomaly for the CVPR2023 Visual Anomaly and Novelty Detection (VAND) challenge.
2 code implementations • 18 May 2023 • Yunkang Cao, Xiaohao Xu, Chen Sun, Yuqi Cheng, Zongwei Du, Liang Gao, Weiming Shen
We present a novel framework, i. e., Segment Any Anomaly + (SAA+), for zero-shot anomaly segmentation with hybrid prompt regularization to improve the adaptability of modern foundation models.
Ranked #1 on Anomaly Detection on KSDD2
2 code implementations • 23 Mar 2023 • Yunkang Cao, Xiaohao Xu, Weiming Shen
The 3D and 2D modality features are aggregated to obtain the CPMF for PCD anomaly detection.
Ranked #1 on Depth Anomaly Detection and Segmentation on MVTEC 3D-AD (using extra training data)
3D Anomaly Detection and Segmentation Depth Anomaly Detection and Segmentation
1 code implementation • IEEE Transactions on Industrial Informatics 2023 • Yunkang Cao, Xiaohao Xu, Zhaoge Liu, Weiming Shen
CDO introduces a margin optimization module and an overlap optimization module to optimize the two key factors determining the localization performance, i. e., the margin and the overlap between the discrepancy distributions (DDs) of normal and abnormal samples.
Ranked #1 on Anomaly Detection on MVTEC 3D-AD (using extra training data)
1 code implementation • Knowledge-Based Systems 2022 • Yunkang Cao, Qian Wan, Weiming Shen, Liang Gao
However, rare attention has been paid to the overfitting problem caused by the inconsistency between the capacity of the neural network and the amount of knowledge in this scheme.
Ranked #27 on Anomaly Detection on MVTec AD (Segmentation AUPRO metric)
1 code implementation • 2022 IEEE 18th International Conference on Automation Science and Engineering (CASE) 2022 • Qian Wan, Yunkang Cao, Liang Gao, Weiming Shen, Xinyu Li
Image anomaly detection is an important stage for automatic visual inspection in intelligent manufacturing systems.
Ranked #11 on Anomaly Detection on MVTec AD (Segmentation AUPRO metric)