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 …

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 …

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 …

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 …

DSDCLA: Driving style detection via hybrid CNN-LSTM with multi-level attention fusion

J Liu, Y Liu, D Li, H Wang, X Huang, L Song - Applied Intelligence, 2023 - Springer
Driving style detection is an essential real-world requirement in diverse contexts, such as
traffic safety, car insurance and fuel consumption optimization. However, the existing …

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 appearance-motion normality for video anomaly detection

Y Liu, J Liu, M Zhao, D Yang, X Zhu… - 2022 IEEE International …, 2022 - ieeexplore.ieee.org
Video anomaly detection is a challenging task in the Computer vision community. Most
single task-based methods do not consider the independence of unique spatial and …

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 …

Distributional and spatial-temporal robust representation learning for transportation activity recognition

J Liu, Y Liu, W Zhu, X Zhu, L Song - Pattern Recognition, 2023 - Elsevier
Transportation activity recognition (TAR) provides valuable support for intelligent
transportation applications, such as urban transportation planning, driving behavior …

Adversarial contrastive distillation with adaptive denoising

Y Wang, Z Chen, D Yang, Y Liu, S Liu… - ICASSP 2023-2023 …, 2023 - ieeexplore.ieee.org
Adversarial Robustness Distillation (ARD) is a novel method to boost the robustness of small
models. Unlike general adversarial training, its robust knowledge transfer can be less easily …