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Simultaneous Localization and Mapping (SLAM) is one of the most important environment-perception and navigation algorithms for computer vision, robotics, and autonomous cars/drones. Hence, high quality and fast mapping becomes a fundamental…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Runfa Blark Li , Mahdi Shaghaghi , Keito Suzuki , Xinshuang Liu , Varun Moparthi , Bang Du , Walker Curtis , Martin Renschler , Ki Myung Brian Lee , Nikolay Atanasov , Truong Nguyen

Object detection in radar imagery with neural networks shows great potential for improving autonomous driving. However, obtaining annotated datasets from real radar images, crucial for training these networks, is challenging, especially in…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Oded Bialer , Yuval Haitman

We consider the problem of detecting, in the visual sensing data stream of an autonomous mobile robot, semantic patterns that are unusual (i.e., anomalous) with respect to the robot's previous experience in similar environments. These…

Hybrid traffic which involves both autonomous and human-driven vehicles would be the norm of the autonomous vehicles practice for a while. On the one hand, unlike autonomous vehicles, human-driven vehicles could exhibit sudden abnormal…

Robotics · Computer Science 2023-10-02 Jiangwei Wang , Lili Su , Songyang Han , Dongjin Song , Fei Miao

With the increasing complexity of the traffic environment, the importance of safety perception in intelligent driving is growing. Conventional methods in the robust perception of intelligent driving focus on training models with anomalous…

Artificial Intelligence · Computer Science 2023-02-03 Haobo Yang , Shiyan Zhang , Zhuoyi Yang , Xinyu Zhang

Anomaly detection is a fundamental problem in data mining field with many real-world applications. A vast majority of existing anomaly detection methods predominately focused on data collected from a single source. In real-world…

Machine Learning · Computer Science 2019-08-13 Yuening Li , Ninghao Liu , Jundong Li , Mengnan Du , Xia Hu

To address the issues of high interruption time and measurement report overhead under user equipment (UE) mobility especially in high speed 5G use cases the use of AI/ML techniques (AI/ML beam management and mobility procedures) have been…

Signal Processing · Electrical Eng. & Systems 2026-05-13 Mannam Veera Narayana , Rohit Singh , Deepa M. R , Radha Krishna Ganti

The importance of human mobility analyses is growing in both research and practice, especially as applications for urban planning and mobility rely on them. Aggregate statistics and visualizations play an essential role as building blocks…

Cryptography and Security · Computer Science 2022-11-24 Alexandra Kapp , Saskia Nuñez von Voigt , Helena Mihaljević , Florian Tschorsch

Urban traffic anomalies, such as collisions and disruptions, threaten the safety, efficiency, and sustainability of transportation systems. In this paper, we present a simulation-based framework for modeling, detecting, and predicting such…

Systems and Control · Electrical Eng. & Systems 2026-04-17 Tony Kinchen , Ting Bai , Nishanth Venkatesh S. , Andreas A. Malikopoulos

Monitoring urban structure and development requires high-quality data at high spatiotemporal resolution. While traditional censuses have provided foundational insights into demographic and socioeconomic aspects of urban life, their pace may…

Physics and Society · Physics 2024-03-20 Gezhi Xiu , Jianying Wang , Thilo Gross , Mei-Po Kwan , Xia Peng , Yu Liu

Simulation systems have become an essential component in the development and validation of autonomous driving technologies. The prevailing state-of-the-art approach for simulation is to use game engines or high-fidelity computer graphics…

Computer Vision and Pattern Recognition · Computer Science 2020-10-30 Wei Li , Chengwei Pan , Rong Zhang , Jiaping Ren , Yuexin Ma , Jin Fang , Feilong Yan , Qichuan Geng , Xinyu Huang , Huajun Gong , Weiwei Xu , Guoping Wang , Dinesh Manocha , Ruigang Yang

Deep-learning-based autonomous driving (AD) perception introduces a promising picture for safe and environment-friendly transportation. However, the over-reliance on real labeled data in LiDAR perception limits the scale of on-road…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Runjian Chen , Wenqi Shao , Bo Zhang , Shaoshuai Shi , Li Jiang , Ping Luo

This technical report provides the description and the derivation of a novel nonlinear unknown input and state estimation algorithm (NUISE) for mobile robots. The algorithm is designed for real-world robots with nonlinear dynamic models and…

Systems and Control · Computer Science 2018-04-11 Pinyao Guo , Hunmin Kim , Nurali Virani , Jun Xu , Minghui Zhu , Peng Liu

Data collected from arrays of sensors are essential for informed decision-making in various systems. However, the presence of anomalies can compromise the accuracy and reliability of insights drawn from the collected data or information…

Applications · Statistics 2024-03-19 Katie Buchhorn , Kerrie Mengersen , Edgar Santos-Fernandez , James McGree

This paper presents an open-source aerial neuromorphic dataset that captures pedestrians and vehicles moving in an urban environment. The dataset, titled NU-AIR, features 70.75 minutes of event footage acquired with a 640 x 480 resolution…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Craig Iaboni , Thomas Kelly , Pramod Abichandani

Sharing location traces with context-aware service providers has privacy implications. Location-privacy preserving mechanisms, such as obfuscation, anonymization and cryptographic primitives, have been shown to have impractical…

Cryptography and Security · Computer Science 2018-02-21 Vaibhav Kulkarni , Arielle Moro , Bertil Chapuis , Benoit Garbinato

As connected autonomous vehicles (CAVs) become increasingly prevalent, there is a growing need for simulation platforms that can accurately evaluate CAV behavior in large-scale environments. In this paper, we propose Flowsim, a novel…

Networking and Internet Architecture · Computer Science 2023-06-12 Ye Tao , Ehsan Javanmardi , Jin Nakazato , Manabu Tsukada , Hiroshi Esaki

Given a dynamic graph, the efficient tracking of anomalous subgraphs via their node embeddings poses a significant challenge. Addressing this issue necessitates an effective scoring mechanism and an innovative anomalous subgraph strategy.…

Social and Information Networks · Computer Science 2023-12-19 Chi Zhang , Wenkai Xiang , Xingzhi Guo , Baojian Zhou , Deqing Yang

Motion planning is a complicated task that requires the combination of perception, map information integration and prediction, particularly when driving in heavy traffic. Developing an extensible and efficient representation that visualizes…

Robotics · Computer Science 2024-10-14 Ren Xin , Sheng Wang , Yingbing Chen , Jie Cheng , Ming Liu , Jun Ma

The last decade has witnessed the emergence of massive mobility data sets, such as tracks generated by GPS devices, call detail records, and geo-tagged posts from social media platforms. These data sets have fostered a vast scientific…

Physics and Society · Physics 2021-06-07 Luca Pappalardo , Filippo Simini , Gianni Barlacchi , Roberto Pellungrini