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相关论文: Context-Dependent Anomaly Detection for Low Altitu…

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Unmanned Aerial Vehicles (drones) are emerging as a promising technology for both environmental and infrastructure monitoring, with broad use in a plethora of applications. Many such applications require the use of computer vision…

计算机视觉与模式识别 · 计算机科学 2018-07-19 Christos Kyrkou , George Plastiras , Stylianos Venieris , Theocharis Theocharides , Christos-Savvas Bouganis

While unmanned aerial vehicles (UAVs) offer wide-area, high-altitude coverage for anomaly detection, they face challenges such as dynamic viewpoints, scale variations, and complex scenes. Existing datasets and methods, mainly designed for…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Mengjingcheng Mo , Xinyang Tong , Mingpi Tan , Jiaxu Leng , Jiankang Zheng , Yiran Liu , Haosheng Chen , Ji Gan , Weisheng Li , Xinbo Gao

Multi-UAV collaborative 3D object detection can perceive and comprehend complex environments by integrating complementary information, with applications encompassing traffic monitoring, delivery services and agricultural management.…

计算机视觉与模式识别 · 计算机科学 2024-06-10 Pengju Tian , Peirui Cheng , Yuchao Wang , Zhechao Wang , Zhirui Wang , Menglong Yan , Xue Yang , Xian Sun

For autonomous driving, radar is an important sensor type. On the one hand, radar offers a direct measurement of the radial velocity of targets in the environment. On the other hand, in literature, radar sensors are known for their…

计算机视觉与模式识别 · 计算机科学 2021-09-21 Thomas Griebel , Dominik Authaler , Markus Horn , Matti Henning , Michael Buchholz , Klaus Dietmayer

We introduce Neural Contextual Anomaly Detection (NCAD), a framework for anomaly detection on time series that scales seamlessly from the unsupervised to supervised setting, and is applicable to both univariate and multivariate time series.…

机器学习 · 计算机科学 2021-07-19 Chris U. Carmona , François-Xavier Aubet , Valentin Flunkert , Jan Gasthaus

Detecting anomalies on network traffic is a complex task due to the massive amount of traffic flows in today's networks, as well as the highly-dynamic nature of traffic over time. In this paper, we propose the use of Graph Neural Networks…

机器学习 · 计算机科学 2023-12-12 Hamid Latif-Martínez , José Suárez-Varela , Albert Cabellos-Aparicio , Pere Barlet-Ros

We aim to localize objects in images using image-level supervision only. Previous approaches to this problem mainly focus on discriminative object regions and often fail to locate precise object boundaries. We address this problem by…

计算机视觉与模式识别 · 计算机科学 2016-09-15 Vadim Kantorov , Maxime Oquab , Minsu Cho , Ivan Laptev

Contextual anomaly detection (CAD) aims to identify anomalies in a target (behavioral) variable conditioned on a set of contextual variables that influence the normalcy of the target variable but are not themselves indicators of anomaly. In…

机器学习 · 计算机科学 2026-01-30 Luca Bindini , Lorenzo Perini , Stefano Nistri , Jesse Davis , Paolo Frasconi

Anomaly detection usually assumes that abnormality is an intrinsic property of an observation. A defect is a defect, and a rare object is rare, regardless of where it appears. Many real-world anomalies do not work this way. A runner on a…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Shashank Mishra , Didier Stricker , Jason Rambach

We propose a novel Conditional Latent space Variational Autoencoder (CL-VAE) to perform improved pre-processing for anomaly detection on data with known inlier classes and unknown outlier classes. This proposed variational autoencoder (VAE)…

机器学习 · 计算机科学 2024-10-17 Oskar Åström , Alexandros Sopasakis

Anomaly detection in video streams is a challenging problem because of the scarcity of abnormal events and the difficulty of accurately annotating them. To alleviate these issues, unsupervised learning-based prediction methods have been…

计算机视觉与模式识别 · 计算机科学 2021-10-28 Youngsaeng Jin , Jonghwan Hong , David Han , Hanseok Ko

This paper proposes a scalable and interpretable framework for lane-wise highway traffic anomaly detection, leveraging multi-modal time series data extracted from surveillance cameras. Unlike traditional sensor-dependent methods, our…

图像与视频处理 · 电气工程与系统科学 2025-05-06 Mei Qiu , William Lorenz Reindl , Yaobin Chen , Stanley Chien , Shu Hu

With the advantage of high mobility, Unmanned Aerial Vehicles (UAVs) are used to fuel numerous important applications in computer vision, delivering more efficiency and convenience than surveillance cameras with fixed camera angle, scale…

计算机视觉与模式识别 · 计算机科学 2018-04-03 Dawei Du , Yuankai Qi , Hongyang Yu , Yifan Yang , Kaiwen Duan , Guorong Li , Weigang Zhang , Qingming Huang , Qi Tian

An unmanned autonomous vehicle (UAV) is sent on a mission to explore and reconstruct an unknown environment from a series of measurements collected by Bayesian optimization. The success of the mission is judged by the UAV's ability to…

机器学习 · 统计学 2021-04-09 Antoine Blanchard , Themistoklis Sapsis

Although unsupervised generative modeling of an image dataset using a Variational AutoEncoder (VAE) has been used to detect anomalous images, or anomalous regions in images, recent works have shown that this method often identifies images…

计算机视觉与模式识别 · 计算机科学 2020-08-13 David Dehaene , Pierre Eline

Human intuition allows to detect abnormal driving scenarios in situations they never experienced before. Like humans detect those abnormal situations and take countermeasures to prevent collisions, self-driving cars need anomaly detection…

机器人学 · 计算机科学 2022-09-07 Julian Wiederer , Julian Schmidt , Ulrich Kressel , Klaus Dietmayer , Vasileios Belagiannis

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

This paper proposed a novel anomaly detection (AD) approach of High-speed Train images based on convolutional neural networks and the Vision Transformer. Different from previous AD works, in which anomalies are identified with a single…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Zhixue Wang , Yu Zhang , Lin Luo , Nan Wang

In recent years, there has been a notable increase in the development of autonomous vehicle (AV) technologies aimed at improving safety in transportation systems. While AVs have been deployed in the real-world to some extent, a full-scale…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Shounak Sural , Naren , Ragunathan Rajkumar

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