Vision-based traffic accident detection and anticipation: A survey

J Fang, J Qiao, J Xue, Z Li - … on Circuits and Systems for Video …, 2023 - ieeexplore.ieee.org
Traffic accident detection and anticipation is an obstinate road safety problem and
painstaking efforts have been devoted. With the rapid growth of video data, Vision-based …

Mgfn: Magnitude-contrastive glance-and-focus network for weakly-supervised video anomaly detection

Y Chen, Z Liu, B Zhang, W Fok, X Qi… - Proceedings of the AAAI …, 2023 - ojs.aaai.org
Weakly supervised detection of anomalies in surveillance videos is a challenging task.
Going beyond existing works that have deficient capabilities to localize anomalies in long …

Hierarchical semantic contrast for scene-aware video anomaly detection

S Sun, X Gong - Proceedings of the IEEE/CVF conference …, 2023 - openaccess.thecvf.com
Increasing scene-awareness is a key challenge in video anomaly detection (VAD). In this
work, we propose a hierarchical semantic contrast (HSC) method to learn a scene-aware …

Vadclip: Adapting vision-language models for weakly supervised video anomaly detection

P Wu, X Zhou, G Pang, L Zhou, Q Yan… - Proceedings of the …, 2024 - ojs.aaai.org
The recent contrastive language-image pre-training (CLIP) model has shown great success
in a wide range of image-level tasks, revealing remarkable ability for learning powerful …

Dual memory units with uncertainty regulation for weakly supervised video anomaly detection

H Zhou, J Yu, W Yang - Proceedings of the AAAI Conference on …, 2023 - ojs.aaai.org
Learning discriminative features for effectively separating abnormal events from normality is
crucial for weakly supervised video anomaly detection (WS-VAD) tasks. Existing …

Activation modulation and recalibration scheme for weakly supervised semantic segmentation

J Qin, J Wu, X **ao, L Li, X Wang - … of the AAAI conference on artificial …, 2022 - ojs.aaai.org
Image-level weakly supervised semantic segmentation (WSSS) is a fundamental yet
challenging computer vision task facilitating scene understanding and automatic driving …

Amp-net: Appearance-motion prototype network assisted automatic video anomaly detection system

Y Liu, J Liu, K Yang, B Ju, S Liu, Y Wang… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
As essential tools for industry safety protection, automatic video anomaly detection systems
(AVADS) are designed to detect anomalous events of concern in surveillance videos …

Sequential attention mechanism for weakly supervised video anomaly detection

W Ullah, FUM Ullah, ZA Khan, SW Baik - Expert Systems with Applications, 2023 - Elsevier
Surveillance cameras are installed across various sectors of a smart city in order to capture
ongoing events for monitoring purposes. The analysis of these surveillance videos is an …

Weakly supervised anomaly detection: A survey

M Jiang, C Hou, A Zheng, X Hu, S Han… - arxiv preprint arxiv …, 2023 - arxiv.org
Anomaly detection (AD) is a crucial task in machine learning with various applications, such
as detecting emerging diseases, identifying financial frauds, and detecting fake news …

Multi-scale video anomaly detection by multi-grained spatio-temporal representation learning

M Zhang, J Wang, Q Qi, H Sun… - Proceedings of the …, 2024 - openaccess.thecvf.com
Abstract ecent progress in video anomaly detection suggests that the features of
appearance and motion play crucial roles in distinguishing abnormal patterns from normal …