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Passenger request prediction is essential for operations planning, control, and management in ride-sharing platforms. While the demand prediction problem has been studied extensively, the Origin-Destination (OD) flow prediction of…

Machine Learning · Computer Science 2024-01-26 Aqsa Ashraf Makhdomi , Iqra Altaf Gillani

In-flight sensor fault diagnosis and recursive combination of residual signals via the Dempster-Shafer (DS) theory have been considered in this study. In particular, a novel evidence-based combination rule of residual errors as a function…

Signal Processing · Electrical Eng. & Systems 2022-12-14 Cartocci N. , M. R. Napolitano , G. Costante , F. Crocetti , P. Valigi , M. L. Fravolini

Water Distribution Networks (WDNs), critical to public well-being and economic stability, face challenges such as pipe blockages and background leakages, exacerbated by operational constraints such as data non-stationarity and limited…

Machine Learning · Computer Science 2025-08-25 Jin Li , Kleanthis Malialis , Stelios G. Vrachimis , Marios M. Polycarpou

Wireless trajectory data consists of a number of (time, point) entries where each point is associated with a particular wireless device (WAP or BLE beacon) tied to a location identifier, such as a place name. A trajectory relates to a…

Artificial Intelligence · Computer Science 2019-06-24 Matthew R Karlsen , Sotiris K. Moschoyiannis

We report on the retrieval of directional sea surface roughness, in terms of its full directional mean square slope (including direction and isotropy), from Global Navigation Satellite System Reflections (GNSS-R) Delay-Doppler-Map (DDM)…

Atmospheric and Oceanic Physics · Physics 2015-06-26 O. Germain , G. Ruffini , F. Soulat , M. Caparrini , B. Chapron , P. Silvestrin

Unmapped areas and aerodynamic disturbances render autonomous navigation with quadrotors extremely challenging. To fly safely and efficiently, trajectory planners and trackers must be able to navigate unknown environments with unpredictable…

Robotics · Computer Science 2022-03-15 Yanran Wang , James O'Keeffe , Qiuchen Qian , David Boyle

We present a method to reconstruct the 3D trajectory of an airborne robotic system only from videos recorded with cameras that are unsynchronized, may feature rolling shutter distortion, and whose viewpoints are unknown. Our approach…

Robotics · Computer Science 2020-07-30 Jingtong Li , Jesse Murray , Dorina Ismaili , Konrad Schindler , Cenek Albl

The False Discovery Rate (FDR) is a new statistical procedure to control the number of mistakes made when performing multiple hypothesis tests, i.e. when comparing many data against a given model hypothesis. The key advantage of FDR is that…

There exists a large body of work on online drift detection with the goal of dynamically finding and maintaining changes in data streams. In this paper, we adopt a query-based approach to drift detection. Our approach relies on {\em a drift…

Data Structures and Algorithms · Computer Science 2016-05-16 Sofia Kleisarchaki , Sihem Amer-Yahia , Ahlame Douzal-Chouakria , Vassilis Christophides

Identifying the fault in propellers is important to keep quadrotors operating safely and efficiently. The simulation-to-reality (sim-to-real) UAV fault diagnosis methods provide a cost-effective and safe approach to detecting propeller…

Robotics · Computer Science 2024-06-25 Wei Zhang , Shanze Wang , Junjie Tong , Fang Liao , Yunfeng Zhang , Xiaoyu Shen

Unmanned aerial vehicles (UAV) often rely on GPS for navigation. GPS signals, however, are very low in power and easily jammed or otherwise disrupted. This paper presents a method for determining the navigation errors present at the…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Teresa White , Jesse Wheeler , Colton Lindstrom , Randall Christensen , Kevin R. Moon

We develop data-driven algorithms for reachability analysis and control of systems with a priori unknown nonlinear dynamics. The resulting algorithms not only are suitable for settings with real-time requirements but also provide provable…

Systems and Control · Electrical Eng. & Systems 2021-12-20 Franck Djeumou , Abraham P. Vinod , Eric Goubault , Sylvie Putot , Ufuk Topcu

There are a number of ways to test for the absence/presence of a spatial signal in a completely observed fine-resolution image. One of these is a powerful nonparametric procedure called Enhanced False Discovery Rate (EFDR). A drawback of…

Methodology · Statistics 2020-10-20 Hsin-Cheng Huang , Noel Cressie , Andrew Zammit-Mangion , Guowen Huang

This paper describes the development of an on-board data-driven system that can monitor and localize the fault in a quadrotor unmanned aerial vehicle (UAV) and at the same time, evaluate the degree of damage of the fault under real…

Machine Learning · Computer Science 2023-02-06 J. J. Tong , W. Zhang , F. Liao , C. F. Li , Y. F. Zhang

Practical machine learning applications involving time series data, such as firewall log analysis to proactively detect anomalous behavior, are concerned with real time analysis of streaming data. Consequently, we need to update the ML…

While data-driven confounder selection requires careful consideration, it is frequently employed in observational studies. Widely recognized criteria for confounder selection include the minimal-set approach, which involves selecting…

Methodology · Statistics 2025-08-21 Kazuharu Harada , Masataka Taguri

In this paper, we propose a control law for camera-equipped drone networks to pursue a target rigid body with unknown motion based on distributed Gaussian process. First, we consider the situation where each drone has its own dataset, and…

Systems and Control · Electrical Eng. & Systems 2022-05-30 Makoto Saito , Junya Yamauchi , Tesshu Fujinami , Marco Omainska , Masayuki Fujita

Recently, approaches using Deep Reinforcement Learning (DRL) have been proposed to solve UAV navigation systems in complex and unknown environments. However, despite extensive research and attention, systematic studies on various security…

Cryptography and Security · Computer Science 2025-10-29 Ji Hyuk Jung , Mi Yeon Hong , Ji Won Yoon

The demand for accurate and fast trajectory tracking for multirotor Unmanned Aerial Vehicles (UAVs) have grown recently due to advances in UAV avionics technology and application domains. In many applications, the multirotor UAV is required…

Robotics · Computer Science 2021-10-12 Abdulaziz Y. Alkayas , Mohamad Chehadeh , Abdulla Ayyad , Yahya Zweiri

Monitoring propeller failures is vital to maintain the safe and reliable operation of quadrotor UAVs. The simulation-to-reality UAV fault diagnosis technique offer a secure and economical approach to identify faults in propellers. However,…

Robotics · Computer Science 2023-09-22 Wei Zhang , Junjie Tong , Fang Liao , Yunfeng Zhang