Generalized video anomaly event detection: Systematic taxonomy and comparison of deep models

Y Liu, D Yang, Y Wang, J Liu, J Liu… - ACM Computing …, 2024 - dl.acm.org
Video Anomaly Detection (VAD) serves as a pivotal technology in the intelligent surveillance
systems, enabling the temporal or spatial identification of anomalous events within videos …

Learning prompt-enhanced context features for weakly-supervised video anomaly detection

Y Pu, X Wu, L Yang, S Wang - IEEE Transactions on Image …, 2024 - ieeexplore.ieee.org
Weakly supervised video anomaly detection aims to locate abnormal activities in untrimmed
videos without the need for frame-level supervision. Prior work has utilized graph …

Improving generalization in visual reinforcement learning via conflict-aware gradient agreement augmentation

S Liu, Z Chen, Y Liu, Y Wang, D Yang… - Proceedings of the …, 2023 - openaccess.thecvf.com
Learning a policy with great generalization to unseen environments remains challenging but
critical in visual reinforcement learning. Despite the success of augmentation combination in …

Robust emotion recognition in context debiasing

D Yang, K Yang, M Li, S Wang… - Proceedings of the …, 2024 - openaccess.thecvf.com
Context-aware emotion recognition (CAER) has recently boosted the practical applications
of affective computing techniques in unconstrained environments. Mainstream CAER …

What2comm: Towards communication-efficient collaborative perception via feature decoupling

K Yang, D Yang, J Zhang, H Wang, P Sun… - Proceedings of the 31st …, 2023 - dl.acm.org
Multi-agent collaborative perception has received increasing attention recently as an
emerging application in driving scenarios. Despite advancements in previous approaches …

Deep learning for video anomaly detection: A review

P Wu, C Pan, Y Yan, G Pang, P Wang… - arxiv preprint arxiv …, 2024 - arxiv.org
Video anomaly detection (VAD) aims to discover behaviors or events deviating from the
normality in videos. As a long-standing task in the field of computer vision, VAD has …

Stochastic video normality network for abnormal event detection in surveillance videos

Y Liu, D Yang, G Fang, Y Wang, D Wei, M Zhao… - Knowledge-Based …, 2023 - Elsevier
Abstract Video Anomaly Detection (VAD) aims to automatically identify unexpected spatial–
temporal patterns to detect abnormal events in surveillance videos. Existing unsupervised …

Learning causality-inspired representation consistency for video anomaly detection

Y Liu, Z **a, M Zhao, D Wei, Y Wang, S Liu… - Proceedings of the 31st …, 2023 - dl.acm.org
Video anomaly detection is an essential yet challenging task in the multimedia community,
with promising applications in smart cities and secure communities. Existing methods …

Efficient decision-based black-box patch attacks on video recognition

K Jiang, Z Chen, H Huang, J Wang… - Proceedings of the …, 2023 - openaccess.thecvf.com
Abstract Although Deep Neural Networks (DNNs) have demonstrated excellent
performance, they are vulnerable to adversarial patches that introduce perceptible and …

Freq-hd: An interpretable frequency-based high-dynamics affective clip selection method for in-the-wild facial expression recognition in videos

Z Tao, Y Wang, Z Chen, B Wang, S Yan… - Proceedings of the 31st …, 2023 - dl.acm.org
The in-the-wild dynamic facial expression recognition (DFER) has been challenging due to
several high-dynamics factors such as limited dynamic expression-related frames and …