An overview of deep learning based methods for unsupervised and semi-supervised anomaly detection in videos

BR Kiran, DM Thomas, R Parakkal - Journal of Imaging, 2018 - mdpi.com
Videos represent the primary source of information for surveillance applications. Video
material is often available in large quantities but in most cases it contains little or no …

An analysis of artificial intelligence techniques in surveillance video anomaly detection: A comprehensive survey

E Şengönül, R Samet, Q Abu Al-Haija, A Alqahtani… - Applied Sciences, 2023 - mdpi.com
Surveillance cameras have recently been utilized to provide physical security services
globally in diverse private and public spaces. The number of cameras has been increasing …

Learning regularity in skeleton trajectories for anomaly detection in videos

R Morais, V Le, T Tran, B Saha… - Proceedings of the …, 2019 - openaccess.thecvf.com
Appearance features have been widely used in video anomaly detection even though they
contain complex entangled factors. We propose a new method to model the normal patterns …

Robust anomaly detection in videos using multilevel representations

H Vu, TD Nguyen, T Le, W Luo, D Phung - Proceedings of the AAAI …, 2019 - aaai.org
Detecting anomalies in surveillance videos has long been an important but unsolved
problem. In particular, many existing solutions are overly sensitive to (often ephemeral) …

Sparse coding guided spatiotemporal feature learning for abnormal event detection in large videos

W Chu, H Xue, C Yao, D Cai - IEEE Transactions on Multimedia, 2018 - ieeexplore.ieee.org
Abnormal event detection in large videos is an important task in research and industrial
applications, which has attracted considerable attention in recent years. Existing methods …

Rejecting motion outliers for efficient crowd anomaly detection

MUK Khan, HS Park, CM Kyung - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Crowd anomaly detection is a key research area in vision-based surveillance. Most of the
crowd anomaly detection algorithms are either too slow, bulky, or power-hungry to be …

Violence detection in automated video surveillance: Recent trends and comparative studies

S Roshan, G Srivathsan, K Deepak… - The Cognitive Approach …, 2020 - Elsevier
There is an increasing demand for automated video surveillance with a wide range of
threats in the society and less manpower to monitor them. Especially, detecting violence in …

Multi-channel generative framework and supervised learning for anomaly detection in surveillance videos

TH Vu, J Boonaert, S Ambellouis, A Taleb-Ahmed - Sensors, 2021 - mdpi.com
Recently, most state-of-the-art anomaly detection methods are based on apparent motion
and appearance reconstruction networks and use error estimation between generated and …

Video anomaly detection and localization based on appearance and motion models

Z Aziz, N Bhatti, H Mahmood, M Zia - Multimedia Tools and Applications, 2021 - Springer
In this paper, we present an approach to detect and localize anomalies in the surveillance
videos. Precise detection, modeling the normality in a context and dealing with false alarms …

Improving video anomaly detection performance by mining useful data from unseen video frames

R Wu, S Li, C Chen, A Hao - Neurocomputing, 2021 - Elsevier
Existing state-of-the-a rt (SOTA) video anomaly detection methods have mainly focused on
the network design for obtaining their performance improvements. Different to the main …