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Video Anomaly Detection (VAD) aims to locate events that deviate from normal patterns in videos. Traditional approaches often rely on extensive labeled data and incur high computational costs. Recent tuning-free methods based on Multimodal…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Zhaolin Cai , Fan Li , Ziwei Zheng , Haixia Bi , Lijun He

Visual inspection, or industrial anomaly detection, is one of the most common quality control types in manufacturing. The task is to identify the presence of an anomaly given an image, e.g., a missing component on an image of a circuit…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Mykhailo Koshil , Tilman Wegener , Detlef Mentrup , Simone Frintrop , Christian Wilms

Weakly-supervised anomaly detection can outperform existing unsupervised methods with the assistance of a very small number of labeled anomalies, which attracts increasing attention from researchers. However, existing weakly-supervised…

Machine Learning · Computer Science 2024-06-14 Xu Tan , Junqi Chen , Sylwan Rahardja , Jiawei Yang , Susanto Rahardja

Anomaly detection plays a key role in industrial manufacturing for product quality control. Traditional methods for anomaly detection are rule-based with limited generalization ability. Recent methods based on supervised deep learning are…

Computer Vision and Pattern Recognition · Computer Science 2021-07-22 Ning Li , Kaitao Jiang , Zhiheng Ma , Xing Wei , Xiaopeng Hong , Yihong Gong

Image anomaly detection (IAD) is an emerging and vital computer vision task in industrial manufacturing (IM). Recently, many advanced algorithms have been reported, but their performance deviates considerably with various IM settings. We…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Guoyang Xie , Jinbao Wang , Jiaqi Liu , Jiayi Lyu , Yong Liu , Chengjie Wang , Feng Zheng , Yaochu Jin

Visual defect detection is critical to ensure the quality of most products. However, the majority of small and medium-sized manufacturing enterprises still rely on tedious and error-prone human manual inspection. The main reasons include:…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Zijian Kuang , Xinran Tie , Lihang Ying , Shi Jin

Video Anomaly Detection(VAD) has been traditionally tackled in two main methodologies: the reconstruction-based approach and the prediction-based one. As the reconstruction-based methods learn to generalize the input image, the model merely…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Joo-Yeon Lee , Woo-Jeoung Nam , Seong-Whan Lee

Most of the data-driven approaches applied to bearing fault diagnosis up to date are established in the supervised learning paradigm, which usually requires a large set of labeled data collected a priori. In practical applications, however,…

Machine Learning · Computer Science 2019-12-10 Shen Zhang , Fei Ye , Bingnan Wang , Thomas G. Habetler

Computer-aided diagnosis for low-dose computed tomography (CT) based on deep learning has recently attracted attention as a first-line automatic testing tool because of its high accuracy and low radiation exposure. However, existing methods…

Image and Video Processing · Electrical Eng. & Systems 2022-06-28 Kyung-Su Kim , Seong Je Oh , Ju Hwan Lee , Myung Jin Chung

Anomaly detection in videos has been attracting an increasing amount of attention. Despite the competitive performance of recent methods on benchmark datasets, they typically lack desirable features such as modularity, cross-domain…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Keval Doshi , Yasin Yilmaz

Video Anomaly Detection (VAD) aims to automatically analyze spatiotemporal patterns in surveillance videos collected from open spaces to detect anomalous events that may cause harm, such as fighting, stealing, and car accidents. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Yang Liu , Siao Liu , Xiaoguang Zhu , Jielin Li , Hao Yang , Liangyu Teng , Juncen Guo , Yan Wang , Dingkang Yang , Jing Liu

Increasing deployment of photovoltaic (PV) plants requires methods for automatic detection of faulty PV modules in modalities, such as infrared (IR) images. Recently, deep learning has become popular for this. However, related works…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Lukas Bommes , Mathis Hoffmann , Claudia Buerhop-Lutz , Tobias Pickel , Jens Hauch , Christoph Brabec , Andreas Maier , Ian Marius Peters

Although continual learning and anomaly detection have separately been well-studied in previous works, their intersection remains rather unexplored. The present work addresses a learning scenario where a model has to incrementally learn a…

Machine Learning · Computer Science 2022-07-15 Ahmed Frikha , Denis Krompaß , Volker Tresp

The essence of unsupervised anomaly detection is to learn the compact distribution of normal samples and detect outliers as anomalies in testing. Meanwhile, the anomalies in real-world are usually subtle and fine-grained in a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Ye Zheng , Xiang Wang , Rui Deng , Tianpeng Bao , Rui Zhao , Liwei Wu

Automated surface inspection is an important task in many manufacturing industries and often requires machine learning driven solutions. Supervised approaches, however, can be challenging, since it is often difficult to obtain large amounts…

Computer Vision and Pattern Recognition · Computer Science 2018-11-19 Matthias Haselmann , Dieter P. Gruber , Paul Tabatabai

With a focus on abnormal events contained within untrimmed videos, there is increasing interest among researchers in video anomaly detection. Among different video anomaly detection scenarios, weakly-supervised video anomaly detection poses…

Computer Vision and Pattern Recognition · Computer Science 2023-09-29 Yidan Fan , Yongxin Yu , Wenhuan Lu , Yahong Han

Unsupervised Continuous Anomaly Detection (UCAD) is gaining attention for effectively addressing the catastrophic forgetting and heavy computational burden issues in traditional Unsupervised Anomaly Detection (UAD). However, existing UCAD…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Mingle Zhou , Jiahui Liu , Jin Wan , Gang Li , Min Li

Die casting plays a crucial role across various industries due to its ability to craft intricate shapes with high precision and smooth surfaces. However, surface defects remain a major issue that impedes die casting quality control.…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Boxiang Zhang , Baijian Yang , Xiaoming Wang , Corey Vian

Video Anomaly Detection (VAD) is an important topic in computer vision. Motivated by the recent advances in self-supervised learning, this paper addresses VAD by solving an intuitive yet challenging pretext task, i.e., spatio-temporal…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Guodong Wang , Yunhong Wang , Jie Qin , Dongming Zhang , Xiuguo Bao , Di Huang

Visual quality inspection in high performance manufacturing can benefit from automation, due to cost savings and improved rigor. Deep learning techniques are the current state of the art for generic computer vision tasks like classification…

Computer Vision and Pattern Recognition · Computer Science 2023-05-17 Ahmad Mohamad Mezher , Andrew E. Marble