no code implementations • 11 Jan 2024 • Hui Lv, Qianru Sun
Video Anomaly Detection (VAD) aims to localize abnormal events on the timeline of long-range surveillance videos.
1 code implementation • CVPR 2023 • Hui Lv, Zhongqi Yue, Qianru Sun, Bin Luo, Zhen Cui, Hanwang Zhang
At each MIL training iteration, we use the current detector to divide the samples into two groups with different context biases: the most confident abnormal/normal snippets and the rest ambiguous ones.
no code implementations • 27 Sep 2022 • Hui Lv, Zhen Cui, Biao Wang, Jian Yang
Anomaly identification is highly dependent on the relationship between the object and the scene, as different/same object actions in same/different scenes may lead to various degrees of normality and anomaly.
no code implementations • 14 Apr 2021 • Hui Lv, Chunyan Xu, Zhen Cui
Video anomaly detection (VAD) is currently a challenging task due to the complexity of anomaly as well as the lack of labor-intensive temporal annotations.
1 code implementation • CVPR 2021 • Hui Lv, Chen Chen, Zhen Cui, Chunyan Xu, Yong Li, Jian Yang
Frame reconstruction (current or future frame) based on Auto-Encoder (AE) is a popular method for video anomaly detection.
1 code implementation • 20 Aug 2020 • Hui Lv, Chuanwei Zhou, Chunyan Xu, Zhen Cui, Jian Yang
In addition, in order to fully utilize the spatial context information, the immediate semantics are directly derived from the segment representations.
Anomaly Detection In Surveillance Videos Video Anomaly Detection