English
Related papers

Related papers: Enhance Multi-Scale Spatial-Temporal Coherence for…

200 papers

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

Video anomaly detection (VAD) aims to detect anomalies that deviate from what is expected. In open-world scenarios, the expected events may change as requirements change. For example, not wearing a mask may be considered abnormal during a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Zihao Liu , Xiaoyu Wu , Jianqin Wu , Xuxu Wang , Linlin Yang

Video anomaly detection (VAD) is a vital yet complex open-set task in computer vision, commonly tackled through reconstruction-based methods. However, these methods struggle with two key limitations: (1) insufficient robustness in open-set…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Xiaofeng Tan , Hongsong Wang , Xin Geng , Liang Wang

Video Anomaly Detection (VAD) is essential for computer vision research. Existing VAD methods utilize either reconstruction-based or prediction-based frameworks. The former excels at detecting irregular patterns or structures, whereas the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Hongsong Wang , Andi Xu , Pinle Ding , Jie Gui

Video anomaly detection is a challenging task because most anomalies are scarce and non-deterministic. Many approaches investigate the reconstruction difference between normal and abnormal patterns, but neglect that anomalies do not…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Guodong Shen , Yuqi Ouyang , Victor Sanchez

As robotic systems execute increasingly difficult task sequences, so does the number of ways in which they can fail. Video Anomaly Detection (VAD) frameworks typically focus on singular, low-level kinematic or action failures, struggling to…

Robotics · Computer Science 2026-03-11 Nerea Gallego , Fernando Salanova , Claudio Mannarano , Cristian Mahulea , Eduardo Montijano

Video Anomaly Detection (VAD) plays a crucial role in modern surveillance systems, aiming to identify various anomalies in real-world situations. However, current benchmark datasets predominantly emphasize simple, single-frame anomalies…

Computer Vision and Pattern Recognition · Computer Science 2023-10-04 Yoav Arad , Michael Werman

Video anomaly detection (VAD) has been paid increasing attention due to its potential applications, its current dominant tasks focus on online detecting anomalies% at the frame level, which can be roughly interpreted as the binary or…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Peng Wu , Jing Liu , Xiangteng He , Yuxin Peng , Peng Wang , Yanning Zhang

Video anomaly detection (VAD) holds immense importance across diverse domains such as surveillance, healthcare, and environmental monitoring. While numerous surveys focus on conventional VAD methods, they often lack depth in exploring…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Moshira Abdalla , Sajid Javed , Muaz Al Radi , Anwaar Ulhaq , Naoufel Werghi

Most existing video anomaly detectors rely solely on RGB frames, which lack the temporal resolution needed to capture abrupt or transient motion cues, key indicators of anomalous events. To address this limitation, we propose Image-Event…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Sungheon Jeong , Jihong Park , Mohsen Imani

The increasing utilization of surveillance cameras in smart cities, coupled with the surge of online video applications, has heightened concerns regarding public security and privacy protection, which propelled automated Video Anomaly…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Jing Liu , Yang Liu , Jieyu Lin , Jielin Li , Liang Cao , Peng Sun , Bo Hu , Liang Song , Azzedine Boukerche , Victor C. M. Leung

Video anomaly detection (VAD) is a challenging task that detects anomalous frames in continuous surveillance videos. Most previous work utilizes the spatio-temporal correlation of visual features to distinguish whether there are…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Guangyu Dai , Dong Chen , Siliang Tang , Yueting Zhuang

Self-supervised learning allows for better utilization of unlabelled data. The feature representation obtained by self-supervision can be used in downstream tasks such as classification, object detection, segmentation, and anomaly…

Computer Vision and Pattern Recognition · Computer Science 2020-06-18 Rabia Ali , Muhammad Umar Karim Khan , Chong Min Kyung

Manipulated videos often contain subtle inconsistencies between their visual and audio signals. We propose a video forensics method, based on anomaly detection, that can identify these inconsistencies, and that can be trained solely using…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Chao Feng , Ziyang Chen , Andrew Owens

Video anomaly detection (VAD) aims to temporally locate abnormal events in a video. Existing works mostly rely on training deep models to learn the distribution of normality with either video-level supervision, one-class supervision, or in…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Luca Zanella , Willi Menapace , Massimiliano Mancini , Yiming Wang , Elisa Ricci

Weakly-Supervised Video Anomaly Detection aims to identify anomalous events using only video-level labels, balancing annotation efficiency with practical applicability. However, existing methods often oversimplify the anomaly space by…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Junhee Lee , ChaeBeen Bang , MyoungChul Kim , MyeongAh Cho

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…

Computer Vision and Pattern Recognition · Computer Science 2024-08-12 Yashika Jain , Ali Dabouei , Min Xu

In this paper, we aim to improve multivariate anomaly detection (AD) by modeling the \textit{time-varying non-linear spatio-temporal correlations} found in multivariate time series data . In multivariate time series data, an anomaly may be…

Machine Learning · Computer Science 2025-09-19 Padmaksha Roy , Almuatazbellah Boker , Lamine Mili

Weakly supervised video anomaly detection (WS-VAD) is a crucial area in computer vision for developing intelligent surveillance systems. This system uses three feature streams: RGB video, optical flow, and audio signals, where each stream…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Yuta Kaneko , Abu Saleh Musa Miah , Najmul Hassan , Hyoun-Sup Lee , Si-Woong Jang , Jungpil Shin

Continuous efforts are being made to advance anomaly detection in various manufacturing processes to increase the productivity and safety of industrial sites. Deep learning replaced rule-based methods and recently emerged as a promising…

Machine Learning · Computer Science 2024-06-28 Kukjin Choi , Jihun Yi , Jisoo Mok , Sungroh Yoon