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Anomaly detection in videos is a problem that has been studied for more than a decade. This area has piqued the interest of researchers due to its wide applicability. Because of this, there has been a wide array of approaches that have been…

计算机视觉与模式识别 · 计算机科学 2020-09-30 Jessie James P. Suarez , Prospero C. Naval

In this paper, we explore a weakly supervised method for anomaly detection. Since annotating videos is time-consuming, we only look at weak video-level labels during training. This means that given a video, we know that it is either normal…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Urvi Gianchandani , Praveen Tirupattur , Mubarak Shah

The goal of anomaly detection is to identify observations that are generated by a distribution that differs from the reference distribution that qualifies normal behavior. When examining a time series, the reference distribution may evolve…

统计方法学 · 统计学 2024-07-23 Etienne Krönert , Dalila Hattab , Alain Celisse

Detecting anomaly patterns from images is a crucial artificial intelligence technique in industrial applications. Recent research in this domain has emphasized the necessity of a large volume of training data, overlooking the practical…

计算机视觉与模式识别 · 计算机科学 2025-07-30 Shenxing Wei , Xing Wei , Zhiheng Ma , Songlin Dong , Shaochen Zhang , Yihong Gong

Anomaly detection in videos is an important computer vision problem with various applications including automated video surveillance. Although adversarial attacks on image understanding models have been heavily investigated, there is not…

计算机视觉与模式识别 · 计算机科学 2022-04-08 Furkan Mumcu , Keval Doshi , Yasin Yilmaz

Hybrid methods have been shown to outperform pure statistical and pure deep learning methods at both forecasting tasks, and at quantifying the uncertainty associated with those forecasts (prediction intervals). One example is Multivariate…

机器学习 · 计算机科学 2022-02-28 Thabang Mathonsi , Terence L van Zyl

Recent streaming video understanding methods increasingly rely on complex memory mechanisms to handle long video streams. We challenge this trend with a simple finding: a sliding-window baseline that feeds only the most recent N frames to…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Yujiao Shen , Shulin Tian , Jingkang Yang , Ziwei Liu

Although existing image anomaly detection methods yield impressive results, they are mostly an offline learning paradigm that requires excessive data pre-collection, limiting their adaptability in industrial scenarios with online streaming…

计算机视觉与模式识别 · 计算机科学 2023-05-26 Han Gao , Huiyuan Luo , Fei Shen , Zhengtao Zhang

Log anomaly detection (LAD) is essential to ensure safe and stable operation of software systems. Although current LAD methods exhibit significant potential in addressing challenges posed by unstable log events and temporal sequence…

软件工程 · 计算机科学 2024-10-23 Jiyu Tian , Mingchu Li , Zumin Wang , Liming Chen , Jing Qin , Runfa Zhang

Online unsupervised detection of anomalies is crucial to guarantee the correct operation of cyber-physical systems and the safety of humans interacting with them. State-of-the-art approaches based on deep learning via neural networks…

机器学习 · 计算机科学 2024-07-30 Daniele Meli

A novel approach to detecting anomalies in time series data is presented in this paper. This approach is pivotal in domains such as data centers, sensor networks, and finance. Traditional methods often struggle with manual parameter tuning…

机器学习 · 计算机科学 2025-04-07 Bahareh Golchin , Banafsheh Rekabdar

Humans can watch a continuous video stream and effortlessly perform continual acquisition and transfer of new knowledge with minimal supervision yet retaining previously learnt experiences. In contrast, existing continual learning (CL)…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Jay Zhangjie Wu , David Junhao Zhang , Wynne Hsu , Mengmi Zhang , Mike Zheng Shou

In this paper we develop an online statistical inference approach for high-dimensional generalized linear models with streaming data for real-time estimation and inference. We propose an online debiased lasso (ODL) method to accommodate the…

统计理论 · 数学 2021-08-11 Lan Luo , Ruijian Han , Yuanyuan Lin , Jian Huang

Video anomaly retrieval aims to localize anomalous events in videos using natural language queries to facilitate public safety. However, existing datasets suffer from severe limitations: (1) data scarcity due to the long-tail nature of…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Shuyu Yang , Yilun Wang , Yaxiong Wang , Li Zhu , Zhedong Zheng

Anomaly detection on time series is a fundamental task in monitoring the Key Performance Indicators (KPIs) of IT systems. Many of the existing approaches in the literature show good performance while requiring a lot of training resources.…

机器学习 · 计算机科学 2021-09-07 Shi-Ying Lan , Run-Qing Chen , Wan-Lei Zhao

The current concept of Smart Cities influences urban planners and researchers to provide modern, secured and sustainable infrastructure and give a decent quality of life to its residents. To fulfill this need video surveillance cameras have…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Devashree R. Patrikar , Mayur Rajram Parate

Social media, professional sports, and video games are driving rapid growth in live video streaming, on platforms such as Twitch and YouTube Live. Live streaming experience is very susceptible to short-time-scale network congestion since…

网络与互联网体系结构 · 计算机科学 2021-12-07 Sharat Chandra Madanapalli , Alex Mathai , Hassan Habibi Gharakheili , Vijay Sivaraman

Anomaly detection in surveillance videos is an important research problem in computer vision. In this paper, we propose ADNet, an anomaly detection network, which utilizes temporal convolutions to localize anomalies in videos. The model…

计算机视觉与模式识别 · 计算机科学 2021-04-15 Halil İbrahim Öztürk , Ahmet Burak Can

Video Anomaly Detection (VAD) automates the identification of unusual events, such as security threats in surveillance videos. In real-world applications, VAD models must effectively operate in cross-domain settings, identifying rare…

计算机视觉与模式识别 · 计算机科学 2024-08-12 Yashika Jain , Ali Dabouei , Min Xu

With the widely used smart meters in the energy sector, anomaly detection becomes a crucial mean to study the unusual consumption behaviors of customers, and to discover unexpected events of using energy promptly. Detecting consumption…

数据库 · 计算机科学 2016-06-21 Xiufeng Liu , Per Sieverts Nielsen