Real-world anomaly detection in surveillance videos

W Sultani, C Chen, M Shah - Proceedings of the IEEE …, 2018 - openaccess.thecvf.com
Surveillance videos are able to capture a variety of realistic anomalies. In this paper, we
propose to learn anomalies by exploiting both normal and anomalous videos. To avoid …

Not only look, but also listen: Learning multimodal violence detection under weak supervision

P Wu, J Liu, Y Shi, Y Sun, F Shao, Z Wu… - Computer Vision–ECCV …, 2020 - Springer
Violence detection has been studied in computer vision for years. However, previous work
are either superficial, eg, classification of short-clips, and the single scenario, or …

Generative cooperative learning for unsupervised video anomaly detection

MZ Zaheer, A Mahmood, MH Khan… - Proceedings of the …, 2022 - openaccess.thecvf.com
Video anomaly detection is well investigated in weakly supervised and one-class
classification (OCC) settings. However, unsupervised video anomaly detection is quite …

Graph convolutional label noise cleaner: Train a plug-and-play action classifier for anomaly detection

JX Zhong, N Li, W Kong, S Liu… - Proceedings of the …, 2019 - openaccess.thecvf.com
Video anomaly detection under weak labels is formulated as a typical multiple-instance
learning problem in previous works. In this paper, we provide a new perspective, ie, a …

Unbiased multiple instance learning for weakly supervised video anomaly detection

H Lv, Z Yue, Q Sun, B Luo, Z Cui… - Proceedings of the …, 2023 - openaccess.thecvf.com
Abstract Weakly Supervised Video Anomaly Detection (WSVAD) is challenging because the
binary anomaly label is only given on the video level, but the output requires snippet-level …

Claws: Clustering assisted weakly supervised learning with normalcy suppression for anomalous event detection

MZ Zaheer, A Mahmood, M Astrid, SI Lee - Computer Vision–ECCV 2020 …, 2020 - Springer
Learning to detect real-world anomalous events through video-level labels is a challenging
task due to the rare occurrence of anomalies as well as noise in the labels. In this work, we …

Exploring background-bias for anomaly detection in surveillance videos

K Liu, H Ma - Proceedings of the 27th ACM International Conference …, 2019 - dl.acm.org
Anomaly detection in surveillance videos, as a special case of video-based action
recognition, is an important topic in multimedia community and public security. Currently …

A multi-stream deep neural network with late fuzzy fusion for real-world anomaly detection

KV Thakare, N Sharma, DP Dogra, H Choi… - Expert Systems with …, 2022 - Elsevier
Abnormal event detection in video is alternatively known as outlier detection, where
machine learning can be highly effective. While testing an unknown video, the objective of …

Deep anomaly detection through visual attention in surveillance videos

N Nasaruddin, K Muchtar, A Afdhal, APJ Dwiyantoro - Journal of Big Data, 2020 - Springer
This paper describes a method for learning anomaly behavior in the video by finding an
attention region from spatiotemporal information, in contrast to the full-frame learning. In our …

Contrastive attention for video anomaly detection

S Chang, Y Li, S Shen, J Feng… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
We consider weakly-supervised video anomaly detection in this work. This task aims to learn
to localize video frames containing anomaly events with only binary video-level annotation …