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Related papers: Global Information Guided Video Anomaly Detection

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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. This survey…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Yunkang Cao , Xiaohao Xu , Jiangning Zhang , Yuqi Cheng , Xiaonan Huang , Guansong Pang , Weiming Shen

Unlike conventional anomaly detection research that focuses on point anomalies, our goal is to detect anomalous collections of individual data points. In particular, we perform group anomaly detection (GAD) with an emphasis on irregular…

Computer Vision and Pattern Recognition · Computer Science 2018-04-16 Raghavendra Chalapathy , Edward Toth , Sanjay Chawla

Video anomaly detection (VAD) focuses on identifying anomalies in videos. Supervised methods demand substantial in-domain training data and fail to deliver clear explanations for anomalies. In contrast, training-free methods leverage the…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Wenlong Li , Yifei Xu , Yuan Rao , Zhenhua Wang , Shuiguang Deng

In this paper, we propose a new architecture for real-time anomaly detection in video data, inspired by human behavior combining spatial and temporal analyses. This approach uses two distinct models: (i) for temporal analysis, a recurrent…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Fabien Poirier

Event-based vision, characterized by low redundancy, focus on dynamic motion, and inherent privacy-preserving properties, naturally fits the demands of video anomaly detection (VAD). However, the absence of dedicated event-stream anomaly…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Peng Wu , Yuting Yan , Guansong Pang , Yujia Sun , Qingsen Yan , Peng Wang , Yanning Zhang

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

The task of video geolocalization aims to determine the precise GPS coordinates of a video's origin and map its trajectory; with applications in forensics, social media, and exploration. Existing classification-based approaches operate at a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Parth Parag Kulkarni , Rohit Gupta , Prakash Chandra Chhipa , Mubarak Shah

Time-stamp aware anomaly detection in traffic videos is an essential task for the advancement of the intelligent transportation system. Anomaly detection in videos is a challenging problem due to sparse occurrence of anomalous events,…

Computer Vision and Pattern Recognition · Computer Science 2019-06-12 Kuldeep Marotirao Biradar , Ayushi Gupta , Murari Mandal , Santosh Kumar Vipparthi

We present a novel end-to-end partially supervised deep learning approach for video anomaly detection and localization using only normal samples. The insight that motivates this study is that the normal samples can be associated with at…

Computer Vision and Pattern Recognition · Computer Science 2018-05-30 Yaxiang Fan , Gongjian Wen , Deren Li , Shaohua Qiu , Martin D. Levine

Graph anomaly detection (GAD) is widely applied in many areas, such as financial fraud detection and social spammer detection. Anomalous nodes in the graph not only impact their own communities but also create a ripple effect on neighbors…

Machine Learning · Computer Science 2026-01-19 Zhu Wang , Junnan Dong , Shuang Zhou , Chang Yang , Shengjie Zhao , Xiao Huang

Automatic detection of anomalies such as weapons or threat objects in baggage security, or detecting impaired items in industrial production is an important computer vision task demanding high efficiency and accuracy. Most of the available…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Rushikesh Zawar , Krupa Bhayani , Neelanjan Bhowmik , Kamlesh Tiwari , Dhiraj Sangwan

We present a deep learning system for testing graphics units by detecting novel visual corruptions in videos. Unlike previous work in which manual tagging was required to collect labeled training data, our weak supervision method is fully…

Machine Learning · Computer Science 2021-08-10 Adi Szeskin , Lev Faivishevsky , Ashwin K Muppalla , Amitai Armon , Tom Hope

Anomaly detection is a crucial task across different domains and data types. However, existing anomaly detection models are often designed for specific domains and modalities. This study explores the use of GPT-4V(ision), a powerful…

Computer Vision and Pattern Recognition · Computer Science 2023-11-17 Yunkang Cao , Xiaohao Xu , Chen Sun , Xiaonan Huang , Weiming Shen

Deep learning-based industrial anomaly detectors often behave as black boxes, making it hard to justify decisions with physically meaningful defect evidence. We propose ZSG-IAD, a multimodal vision-language framework for zero-shot grounded…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Qiuhui Chen , Jiaxiang Song , Shuai Tan , Weimin Zhong

Video Anomaly Detection (VAD) has been extensively studied under the settings of One-Class Classification (OCC) and Weakly-Supervised learning (WS), which however both require laborious human-annotated normal/abnormal labels. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Yongwei Nie , Hao Huang , Chengjiang Long , Qing Zhang , Pradipta Maji , Hongmin Cai

Learning to detect real-world anomalous events using video-level annotations is a difficult task mainly because of the noise present in labels. An anomalous labelled video may actually contain anomaly only in a short duration while the rest…

Computer Vision and Pattern Recognition · Computer Science 2021-05-03 Muhammad Zaigham Zaheer , Jin-ha Lee , Marcella Astrid , Arif Mahmood , Seung-Ik Lee

Anomaly detection is a significant and hence well-studied problem. However, developing effective anomaly detection methods for complex and high-dimensional data remains a challenge. As Generative Adversarial Networks (GANs) are able to…

Machine Learning · Computer Science 2018-12-07 Houssam Zenati , Manon Romain , Chuan Sheng Foo , Bruno Lecouat , Vijay Ramaseshan Chandrasekhar

Most models for weakly supervised video anomaly detection (WS-VAD) rely on multiple instance learning, aiming to distinguish normal and abnormal snippets without specifying the type of anomaly. However, the ambiguous nature of anomaly…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Chenchen Tao , Xiaohao Peng , Chong Wang , Jiafei Wu , Puning Zhao , Jun Wang , Jiangbo Qian

Video anomaly detection has proved to be a challenging task owing to its unsupervised training procedure and high spatio-temporal complexity existing in real-world scenarios. In the absence of anomalous training samples, state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 Masoud Pourreza , Mohammadreza Salehi , Mohammad Sabokrou

Video Anomaly Detection (VAD) is critical for surveillance and public safety. However, existing benchmarks are limited to either frame-level or video-level tasks, restricting a holistic view of model generalization. This work first…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Seoik Jung , Taekyung Song , Joshua Jordan Daniel , JinYoung Lee , SungJun Lee
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