中文
相关论文

相关论文: Challenges in Time-Stamp Aware Anomaly Detection i…

200 篇论文

Anomaly detection in crowd videos has become a popular area of research for the computer vision community. Several existing methods generally perform a prior training about the scene with or without the use of labeled data. However, it is…

计算机视觉与模式识别 · 计算机科学 2019-06-04 Arindam Sikdar , Ananda S. Chowdhury

We develop a novel framework for single-scene video anomaly localization that allows for human-understandable reasons for the decisions the system makes. We first learn general representations of objects and their motions (using deep…

计算机视觉与模式识别 · 计算机科学 2022-12-16 Ashish Singh , Michael J. Jones , Erik Learned-Miller

Anomaly detection is critical for finding suspicious behavior in innumerable systems. We need to detect anomalies in real-time, i.e. determine if an incoming entity is anomalous or not, as soon as we receive it, to minimize the effects of…

机器学习 · 计算机科学 2023-01-31 Siddharth Bhatia

Video anomalies detection is the intersection of anomaly detection and visual intelligence. It has commercial applications in surveillance, security, self-driving cars and crop monitoring. Videos can capture a variety of anomalies. Due to…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Faraz Waseem , Rafael Perez Martinez , Chris Wu

We present an improved clustering based, unsupervised anomalous trajectory detection algorithm for crowded scenes. The proposed work is based on four major steps, namely, extraction of trajectories from crowded scene video, extraction of…

计算机视觉与模式识别 · 计算机科学 2019-07-04 Deepan Das , Deepak Mishra

Traffic anomaly detection has played a crucial role in Intelligent Transportation System (ITS). The main challenges of this task lie in the highly diversified anomaly scenes and variational lighting conditions. Although much work has…

计算机视觉与模式识别 · 计算机科学 2021-06-10 Jingyuan Chen , Guanchen Ding , Yuchen Yang , Wenwei Han , Kangmin Xu , Tianyi Gao , Zhe Zhang , Wanping Ouyang , Hao Cai , Zhenzhong Chen

This paper addresses the problem of detecting anomalous activity in traffic networks where the network is not directly observed. Given knowledge of what the node-to-node traffic in a network should be, any activity that differs…

统计方法学 · 统计学 2019-02-20 Elizabeth Hou , Yasin Yilmaz , Alfred Hero

Anomaly detection in connected autonomous vehicles (CAVs) is crucial for maintaining safe and reliable transportation networks, as CAVs can be susceptible to sensor malfunctions, cyber-attacks, and unexpected environmental disruptions. This…

机器学习 · 计算机科学 2025-07-01 Prathyush Kumar Reddy Lebaku , Lu Gao , Yunpeng Zhang , Zhixia Li , Yongxin Liu , Tanvir Arafin

Self-supervised learning allows for better utilization of unlabelled data. The feature representation obtained by self-supervision can be used in downstream tasks such as classification, object detection, segmentation, and anomaly…

计算机视觉与模式识别 · 计算机科学 2020-06-18 Rabia Ali , Muhammad Umar Karim Khan , Chong Min Kyung

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

Anomaly detection is a common analytical task that aims to identify rare cases that differ from the typical cases that make up the majority of a dataset. When applied to the analysis of event sequence data, the task of anomaly detection can…

人机交互 · 计算机科学 2020-04-16 Shunan Guo , Zhuochen Jin , Qing Chen , David Gotz , Hongyuan Zha , Nan Cao

Much of the worlds data is streaming, time-series data, where anomalies give significant information in critical situations. Yet detecting anomalies in streaming data is a difficult task, requiring detectors to process data in real-time,…

人工智能 · 计算机科学 2016-07-11 Subutai Ahmad , Scott Purdy

Manipulated videos often contain subtle inconsistencies between their visual and audio signals. We propose a video forensics method, based on anomaly detection, that can identify these inconsistencies, and that can be trained solely using…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Chao Feng , Ziyang Chen , Andrew Owens

Anomaly detection in videos aims at reporting anything that does not conform the normal behaviour or distribution. However, due to the sparsity of abnormal video clips in real life, collecting annotated data for supervised learning is…

计算机视觉与模式识别 · 计算机科学 2019-10-22 Yiwei Lu , Mahesh Kumar Krishna Reddy , Seyed shahabeddin Nabavi , Yang Wang

The considerable significance of Anomaly Detection (AD) problem has recently drawn the attention of many researchers. Consequently, the number of proposed methods in this research field has been increased steadily. AD strongly correlates…

计算机视觉与模式识别 · 计算机科学 2021-03-03 Bahram Mohammadi , Mahmood Fathy , Mohammad Sabokrou

This paper examines the problem of dynamic traffic scene classification under space-time variations in viewpoint that arise from video captured on-board a moving vehicle. Solutions to this problem are important for realization of effective…

计算机视觉与模式识别 · 计算机科学 2019-05-31 Athma Narayanan , Isht Dwivedi , Behzad Dariush

Anomaly detection in spatiotemporal data is a challenging problem encountered in a variety of applications including hyperspectral imaging, video surveillance and urban traffic monitoring. In the case of urban traffic data, anomalies refer…

信号处理 · 电气工程与系统科学 2021-03-02 Seyyid Emre Sofuoglu , Selin Aviyente

Traffic Management Centers (TMCs) routinely use traffic cameras to provide situational awareness regarding traffic, road, and weather conditions. Camera footage is quite useful for a variety of diagnostic purposes; yet, most footage is kept…

计算机视觉与模式识别 · 计算机科学 2019-05-20 Jeffrey Liu , Andrew Weinert , Saurabh Amin

Anomaly detection in surveillance videos remains a challenging task due to the diversity of abnormal events, class imbalance, and scene-dependent visual clutter. To address these issues, we propose a robust deep learning framework that…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Mohammad Ali Etemadi Naeen , Hoda Mohammadzade , Saeed Bagheri Shouraki

The use of video-imaging data for in-line process monitoring applications has become more and more popular in the industry. In this framework, spatio-temporal statistical process monitoring methods are needed to capture the relevant…

应用统计 · 统计学 2020-04-24 Hao Yan , Marco Grasso , Kamran Paynabar , Bianca Maria Colosimo