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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. Therefore, object-scene…

计算机视觉与模式识别 · 计算机科学 2022-09-28 Hui Lv , Zhen Cui , Biao Wang , Jian Yang

The Scene Representation Transformer (SRT) is a recent method to render novel views at interactive rates. Since SRT uses camera poses with respect to an arbitrarily chosen reference camera, it is not invariant to the order of the input…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Aleksandr Safin , Daniel Duckworth , Mehdi S. M. Sajjadi

Video anomaly detection (VAD) is a significant computer vision problem. Existing deep neural network (DNN) based VAD methods mostly follow the route of frame reconstruction or frame prediction. However, the lack of mining and learning of…

计算机视觉与模式识别 · 计算机科学 2023-04-12 Zhiwei Yang , Jing Liu , Zhaoyang Wu , Peng Wu , Xiaotao Liu

Video anomaly detection (VAD) has been extensively researched due to its potential for intelligent video systems. However, most existing methods based on CNNs and transformers still suffer from substantial computational burdens and have…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Zhangxun Li , Mengyang Zhao , Xuan Yang , Yang Liu , Jiamu Sheng , Xinhua Zeng , Tian Wang , Kewei Wu , Yu-Gang Jiang

Over the past few years, vision transformers (ViTs) have consistently demonstrated remarkable performance across various visual recognition tasks. However, attempts to enhance their robustness have yielded limited success, mainly focusing…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Nick Nikzad , Yi Liao , Yongsheng Gao , Jun Zhou

Pedestrian attribute recognition in surveillance scenarios is still a challenging task due to the inaccurate localization of specific attributes. In this paper, we propose a novel view-attribute localization method based on attention…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Weichen Chen , Xinyi Yu , Linlin Ou

Video Anomaly Detection (VAD) systems can autonomously monitor and identify disturbances, reducing the need for manual labor and associated costs. However, current VAD systems are often limited by their superficial semantic understanding of…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Jiaqi Tang , Hao Lu , Ruizheng Wu , Xiaogang Xu , Ke Ma , Cheng Fang , Bin Guo , Jiangbo Lu , Qifeng Chen , Ying-Cong Chen

Object anomaly detection is an important problem in the field of machine vision and has seen remarkable progress recently. However, two significant challenges hinder its research and application. First, existing datasets lack comprehensive…

计算机视觉与模式识别 · 计算机科学 2023-10-12 Qiang Zhou , Weize Li , Lihan Jiang , Guoliang Wang , Guyue Zhou , Shanghang Zhang , Hao Zhao

In this paper, we introduce a novel task, referred to as Weakly-Supervised Spatio-Temporal Anomaly Detection (WSSTAD) in surveillance video. Specifically, given an untrimmed video, WSSTAD aims to localize a spatio-temporal tube (i.e., a…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Jie Wu , Wei Zhang , Guanbin Li , Wenhao Wu , Xiao Tan , Yingying Li , Errui Ding , Liang Lin

Partial Domain Adaptation (PDA) is a practical and general domain adaptation scenario, which relaxes the fully shared label space assumption such that the source label space subsumes the target one. The key challenge of PDA is the issue of…

计算机视觉与模式识别 · 计算机科学 2021-07-13 Yuecong Xu , Jianfei Yang , Haozhi Cao , Qi Li , Kezhi Mao , Zhenghua Chen

This paper presents a new method for anomaly detection in automated systems with time and compute sensitive requirements, such as autonomous driving, with unparalleled efficiency. As systems like autonomous driving become increasingly…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Andrew Gao , Jun Liu

Video anomaly detection is an ill-posed problem because it relies on many parameters such as appearance, pose, camera angle, background, and more. We distill the problem to anomaly detection of human pose, thus decreasing the risk of…

计算机视觉与模式识别 · 计算机科学 2023-08-17 Or Hirschorn , Shai Avidan

This paper aims to address the unsupervised video anomaly detection (VAD) problem, which involves classifying each frame in a video as normal or abnormal, without any access to labels. To accomplish this, the proposed method employs…

计算机视觉与模式识别 · 计算机科学 2023-07-20 Anil Osman Tur , Nicola Dall'Asen , Cigdem Beyan , Elisa Ricci

As a crucial element of public security, video anomaly detection (VAD) aims to measure deviations from normal patterns for various events in real-time surveillance systems. However, most existing VAD methods rely on large-scale models to…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Jiahao Lyu , Minghua Zhao , Xuewen Huang , Yifei Chen , Shuangli Du , Jing Hu , Cheng Shi , Zhiyong Lv

With the widespread deployment of video surveillance devices and the demand for intelligent system development, video anomaly detection (VAD) has become an important part of constructing intelligent surveillance systems. Expanding the…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Jiahao Lyu , Minghua Zhao , Jing Hu , Runtao Xi , Xuewen Huang , Shuangli Du , Cheng Shi , Tian Ma

Absolute Pose Regression (APR) predicts 6D camera poses but lacks the adaptability to unknown environments without retraining, while Relative Pose Regression (RPR) generalizes better yet requires a large image retrieval database. Visual…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Junwei Zheng , Ruiping Liu , Yufan Chen , Zhenfang Chen , Kailun Yang , Jiaming Zhang , Rainer Stiefelhagen

Video anomaly detection is a subject of great interest across industrial and academic domains due to its crucial role in computer vision applications. However, the inherent unpredictability of anomalies and the scarcity of anomaly samples…

计算机视觉与模式识别 · 计算机科学 2024-09-27 Yalong Jiang , Liquan Mao

Video-based human pose estimation models aim to address scenarios that cannot be effectively solved by static image models such as motion blur, out-of-focus and occlusion. Most existing approaches consist of two stages: detecting human…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Zhihong Wei

Traffic anomaly detection (TAD) in driving videos is critical for ensuring the safety of autonomous driving and advanced driver assistance systems. Previous single-stage TAD methods primarily rely on frame prediction, making them vulnerable…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Rongqin Liang , Yuanman Li , Jiantao Zhou , Xia Li

Anomaly detection in videos has been attracting an increasing amount of attention. Despite the competitive performance of recent methods on benchmark datasets, they typically lack desirable features such as modularity, cross-domain…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Keval Doshi , Yasin Yilmaz