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Recent advances in visual anomaly detection research have seen AUROC and AUPRO scores on public benchmark datasets such as MVTec and VisA converge towards perfect recall, giving the impression that these benchmarks are near-solved. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-24 Joao P. C. Bertoldo , Dick Ameln , Ashwin Vaidya , Samet Akçay

Automated wildlife monitoring from aerial imagery is vital for conservation but remains limited by two persistent challenges: the difficulty of detecting small, rare species and the high cost of large-scale expert annotation. Prairie dogs…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Bowen Zhang , Jesse T. Boulerice , Charvi Mendiratta , Nikhil Kuniyil , Satish Kumar , Hila Shamon , B. S. Manjunath

Learning commonsense reasoning from visual contexts and scenes in real-world is a crucial step toward advanced artificial intelligence. However, existing video reasoning benchmarks are still inadequate since they were mainly designed for…

Computer Vision and Pattern Recognition · Computer Science 2024-05-20 Andong Wang , Bo Wu , Sunli Chen , Zhenfang Chen , Haotian Guan , Wei-Ning Lee , Li Erran Li , Chuang Gan

Autonomous driving systems remain critically vulnerable to the long-tail of rare, out-of-distribution semantic anomalies. While VLMs have emerged as promising tools for perception, their application in anomaly detection remains largely…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Roberto Brusnicki , David Pop , Yuan Gao , Mattia Piccinini , Johannes Betz

Anomaly detection on time series data is increasingly common across various industrial domains that monitor metrics in order to prevent potential accidents and economic losses. However, a scarcity of labeled data and ambiguous definitions…

Machine Learning · Computer Science 2022-12-29 Lawrence Wong , Dongyu Liu , Laure Berti-Equille , Sarah Alnegheimish , Kalyan Veeramachaneni

We propose a new method to define anomaly scores and apply this to particle physics collider events. Anomalies can be either rare, meaning that these events are a minority in the normal dataset, or different, meaning they have values that…

High Energy Physics - Phenomenology · Physics 2022-03-09 Sascha Caron , Luc Hendriks , Rob Verheyen

With the rapid growth of the low-altitude economy, UAVs have become crucial for measurement and tracking in patrol systems. However, in GNSS-denied areas, satellite-based localization methods are prone to failure. This paper presents a…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Tao Liu , Kan Ren , Qian Chen

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…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Mohammad Ali Etemadi Naeen , Hoda Mohammadzade , Saeed Bagheri Shouraki

The core challenge in unsupervised anomaly detection is identifying abnormal patterns without prior knowledge of their characteristics. While existing methods have addressed aspects of this problem, they often struggle to learn a robust…

Machine Learning · Computer Science 2026-05-12 Prithul Sarker , Sushmita Sarker , Nicholas G. Murray , Alireza Tavakkoli

Unmanned Aerial Vehicles (UAVs) are indispensable for infrastructure inspection, surveillance, and related tasks, yet they also introduce critical security challenges. This survey provides a wide-ranging examination of the anti-UAV domain,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Yifei Dong , Fengyi Wu , Sanjian Zhang , Guangyu Chen , Yuzhi Hu , Masumi Yano , Jingdong Sun , Siyu Huang , Feng Liu , Qi Dai , Zhi-Qi Cheng

Despite decades of work, surveillance still struggles to find specific targets across long, multi-camera video. Prior methods -- tracking pipelines, CLIP based models, and VideoRAG -- require heavy manual filtering, capture only shallow…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Hyojin Park , Yi Li , Janghoon Cho , Sungha Choi , Jungsoo Lee , Taotao Jing , Shuai Zhang , Munawar Hayat , Dashan Gao , Ning Bi , Fatih Porikli

This systematic review focuses on anomaly detection for connected and autonomous vehicles. The initial database search identified 2160 articles, of which 203 were included in this review after rigorous screening and assessment. This study…

Machine Learning · Computer Science 2024-05-07 J. R. V. Solaas , N. Tuptuk , E. Mariconti

Reasoning ability, a core component of human intelligence, continues to pose a significant challenge for Large Language Models (LLMs) in the pursuit of AGI. Although model performance has improved under the training scaling law, significant…

Machine Learning · Computer Science 2026-01-21 Hengli Li , Chenxi Li , Tong Wu , Xuekai Zhu , Yuxuan Wang , Zhaoxin Yu , Eric Hanchen Jiang , Song-Chun Zhu , Zixia Jia , Ying Nian Wu , Zilong Zheng

Video-based sensing from aerial drones, especially small multirotor drones, can provide rich data for numerous applications, including traffic analysis (computing traffic flow volumes), precision agriculture (periodically evaluating plant…

Networking and Internet Architecture · Computer Science 2021-10-14 Favyen Bastani , Songtao He , Ziwen Jiang , Osbert Bastani , Sam Madden

Progress in video anomaly detection research is currently slowed by small datasets that lack a wide variety of activities as well as flawed evaluation criteria. This paper aims to help move this research effort forward by introducing a…

Computer Vision and Pattern Recognition · Computer Science 2020-01-27 Bharathkumar Ramachandra , Michael Jones

Retrieving rare and safety-critical driving scenarios from large-scale datasets is essential for building robust autonomous driving (AD) systems. As dataset sizes continue to grow, the key challenge shifts from collecting more data to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Felix Embacher , Jonas Uhrig , Marius Cordts , Markus Enzweiler

Deploying autonomous agents in real world environments is challenging, particularly for navigation, where systems must adapt to situations they have not encountered before. Traditional learning approaches require substantial amounts of…

Robotics · Computer Science 2026-03-10 Quang-Anh N. D. , Duc Pham , Minh-Anh Nguyen , Tung Doan , Tuan Dang

Detect-and-Avoid (DAA) capabilities are critical for safe operations of unmanned aircraft systems (UAS). This paper introduces, AirTrack, a real-time vision-only detect and tracking framework that respects the size, weight, and power (SWaP)…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Sourish Ghosh , Jay Patrikar , Brady Moon , Milad Moghassem Hamidi , Sebastian Scherer

The deployment of artificial intelligence (AI) in decision-making applications requires ensuring an appropriate level of safety and reliability, particularly in changing environments that contain a large number of unknown observations. To…

Machine Learning · Computer Science 2024-11-06 Leen Kweider , Maissa Abou Kassem , Ubai Sandouk

Depth completion and object detection are two crucial tasks often used for aerial 3D mapping, path planning, and collision avoidance of Uncrewed Aerial Vehicles (UAVs). Common solutions include using measurements from a LiDAR sensor;…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Sara Hatami Gazani , Fardad Dadboud , Miodrag Bolic , Iraj Mantegh , Homayoun Najjaran
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