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相关论文: An Efficient Approach for Anomaly Detection in Tra…

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Corner cases are the main bottlenecks when applying Artificial Intelligence (AI) systems to safety-critical applications. An AI system should be intelligent enough to detect such situations so that system developers can prepare for…

机器学习 · 计算机科学 2019-07-02 Vidyasagar Sadhu , Teruhisa Misu , Dario Pompili

As a rapidly growing cyber-physical platform, Autonomous Vehicles (AVs) are encountering more security challenges as their capabilities continue to expand. In recent years, adversaries are actively targeting the perception sensors of…

机器人学 · 计算机科学 2024-04-08 Murad Mehrab Abrar , Salim Hariri

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

We address an anomaly detection setting in which training sequences are unavailable and anomalies are scored independently of temporal ordering. Current algorithms in anomaly detection are based on the classical density estimation approach…

计算机视觉与模式识别 · 计算机科学 2016-09-29 Allison Del Giorno , J. Andrew Bagnell , Martial Hebert

This survey article summarizes research trends on the topic of anomaly detection in video feeds of a single scene. We discuss the various problem formulations, publicly available datasets and evaluation criteria. We categorize and situate…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Bharathkumar Ramachandra , Michael J. Jones , Ranga Raju Vatsavai

Anomaly detection plays in many fields of research, along with the strongly related task of outlier detection, a very important role. Especially within the context of the automated analysis of video material recorded by surveillance…

计算机视觉与模式识别 · 计算机科学 2019-08-09 Thomas Golda , Nils Murzyn , Chengchao Qu , Kristian Kroschel

Anomaly detection in road networks is vital for traffic management and emergency response. However, existing approaches do not directly address multiple anomaly types. We propose a tensor-based spatio-temporal model for detecting multiple…

物理与社会 · 物理学 2019-10-31 Ming Xu , Jianping Wu , Haohan Wang , Mengxin Cao

Identifying unusual driving behaviors exhibited by drivers during driving is essential for understanding driver behavior and the underlying causes of crashes. Previous studies have primarily approached this problem as a classification task,…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Armstrong Aboah , Ulas Bagci , Abdul Rashid Mussah , Neema Jakisa Owor , Yaw Adu-Gyamfi

We propose a very fast frame-level model for anomaly detection in video, which learns to detect anomalies by distilling knowledge from multiple highly accurate object-level teacher models. To improve the fidelity of our student, we distill…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Florinel-Alin Croitoru , Nicolae-Catalin Ristea , Dana Dascalescu , Radu Tudor Ionescu , Fahad Shahbaz Khan , Mubarak Shah

Automatic detection of traffic accidents is an important emerging topic in traffic monitoring systems. Nowadays many urban intersections are equipped with surveillance cameras connected to traffic management systems. Therefore, computer…

计算机视觉与模式识别 · 计算机科学 2022-08-16 Hadi Ghahremannezhad , Hang Shi , Chengjun Liu

The goal of anomaly detection is to identify examples that deviate from normal or expected behavior. We tackle this problem for images. We consider a two-phase approach. First, using normal examples, a convolutional autoencoder (CAE) is…

计算机视觉与模式识别 · 计算机科学 2020-03-20 Natasa Sarafijanovic-Djukic , Jesse Davis

Pose-based anomaly detection is a video-analysis technique for detecting anomalous events or behaviors by examining human pose extracted from the video frames. Utilizing pose data alleviates privacy and ethical issues. Also,…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Ghazal Alinezhad Noghre , Armin Danesh Pazho , Vinit Katariya , Hamed Tabkhi

Background subtraction has been a driving engine for many computer vision and video analytics tasks. Although its many variants exist, they all share the underlying assumption that photometric scene properties are either static or exhibit…

计算机视觉与模式识别 · 计算机科学 2009-10-16 P. M. Jodoin , V. Saligrama , J. Konrad

Vision-based road detection is an essential functionality for supporting advanced driver assistance systems (ADAS) such as road following and vehicle and pedestrian detection. The major challenges of road detection are dealing with shadows…

计算机视觉与模式识别 · 计算机科学 2014-12-11 José M. Álvarez , Ferran Diego , Joan Serrat , Antonio M. López

We propose a solution to detect anomalous events in videos without the need to train a model offline. Specifically, our solution is based on a randomly-initialized multilayer perceptron that is optimized online to reconstruct video frames,…

计算机视觉与模式识别 · 计算机科学 2023-01-24 Yuqi Ouyang , Guodong Shen , Victor Sanchez

Anomaly detection has attracted considerable search attention. However, existing anomaly detection databases encounter two major problems. Firstly, they are limited in scale. Secondly, training sets contain only video-level labels…

计算机视觉与模式识别 · 计算机科学 2021-06-17 Boyang Wan , Wenhui Jiang , Yuming Fang , Zhiyuan Luo , Guanqun Ding

As automated vehicles enter public roads, safety in a near-infinite number of driving scenarios becomes one of the major concerns for the widespread adoption of fully autonomous driving. The ability to detect anomalous situations outside of…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Tianchen Ji , Neeloy Chakraborty , Andre Schreiber , Katherine Driggs-Campbell

Ever growing volume and velocity of data coupled with decreasing attention span of end users underscore the critical need for real-time analytics. In this regard, anomaly detection plays a key role as an application as well as a means to…

机器学习 · 统计学 2017-10-16 Dhruv Choudhary , Arun Kejariwal , Francois Orsini

Abnormal event detection or anomaly detection in surveillance videos is currently a challenge because of the diversity of possible events. Due to the lack of anomalous events at training time, anomaly detection requires the design of…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Darshan Venkatrayappa

Vehicle speed monitoring and management of highways is the critical problem of the road in this modern age of growing technology and population. A poor management results in frequent traffic jam, traffic rules violation and fatal road…

计算机视觉与模式识别 · 计算机科学 2019-05-28 Sulaiman Khan , Hazrat Ali , Zia Ullah , Mohammad Farhad Bulbul