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Continued adoption of agricultural robots postulates the farmer's trust in the reliability, robustness and safety of the new technology. This motivates our work on safety assurance of agricultural robots, particularly their ability to…

Robotics · Computer Science 2025-06-25 Mustafa Adam , Kangfeng Ye , David A. Anisi , Ana Cavalcanti , Jim Woodcock , Robert Morris

With the increasing need for safe control in the domain of autonomous driving, model-based safety-critical control approaches are widely used, especially Control Barrier Function (CBF)-based approaches. Among them, Exponential CBF (eCBF) is…

Robotics · Computer Science 2022-05-10 Spencer Van Koevering , Yiwei Lyu , Wenhao Luo , John Dolan

Assessing drivers' interaction capabilities is crucial for understanding human driving behavior and enhancing the interactive abilities of autonomous vehicles. In scenarios involving strong interaction, existing metrics focused on…

Robotics · Computer Science 2024-05-07 Jiaqi Liu , Peng Hang , Xiangwang Hu , Jian Sun

Autonomous hazard detection and avoidance is a key technology for future landing missions in unknown surface conditions. Current state-of-the-art stochastic algorithms assume simple Gaussian measurement noise on dense, high-fidelity digital…

Robotics · Computer Science 2023-05-09 Kento Tomita , Koki Ho

Trajectory prediction is significant for intelligent vehicles to achieve high-level autonomous driving, and a lot of relevant research achievements have been made recently. Despite the rapid development, most existing studies solely focused…

Robotics · Computer Science 2024-07-19 Qingfan Wang , Dongyang Xu , Gaoyuan Kuang , Chen Lv , Shengbo Eben Li , Bingbing Nie

A significant amount of people die in road accidents due to driver errors. To reduce fatalities, developing intelligent driving systems assisting drivers to identify potential risks is in an urgent need. Risky situations are generally…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Chengxi Li , Stanley H. Chan , Yi-Ting Chen

A significant barrier to deploying autonomous vehicles (AVs) on a massive scale is safety assurance. Several technical challenges arise due to the uncertain environment in which AVs operate such as road and weather conditions, errors in…

Artificial Intelligence · Computer Science 2019-10-08 Majid Khonji , Jorge Dias , Lakmal Seneviratne

In this work, we perform safety analysis of linear dynamical systems with uncertainties. Instead of computing a conservative overapproximation of the reachable set, our approach involves computing a statistical approximate reachable set. As…

Systems and Control · Electrical Eng. & Systems 2021-09-17 Bineet Ghosh , Parasara Sridhar Duggirala

Identifying high crash risk road segments and accurately predicting crash incidence is fundamental to implementing effective safety countermeasures. While collision data inherently reflects risk, the infrequency and inconsistent reporting…

This paper introduces a framework based on computer vision that can detect road traffic crashes (RCTs) by using the installed surveillance/CCTV camera and report them to the emergency in real-time with the exact location and time of…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Mohamed Essam , Nagia M. Ghanem , Mohamed A. Ismail

In this study, we present a hierarchical fuzzy system by evaluating the risk state for a Driver Assistance System in order to contribute in reducing the road accident's number. A key component of this system is its ability to continually…

Computer Vision and Pattern Recognition · Computer Science 2018-06-13 Mejdi Ben Dkhil , Ali Wali , Adel M. Alimi

Autonomous driving testing increasingly relies on mining safety critical scenarios from large scale naturalistic driving data, yet existing screening pipelines still depend on manual risk annotation and expensive frame by frame risk…

Robotics · Computer Science 2026-03-24 Chen Xiong , Ziwen Wang , Deqi Wang , Cheng Wang , Yiyang Chen , He Zhang , Chao Gou

Establishing trustworthy safety assurance for autonomous driving systems (ADSs) requires evidence that failures arise from avoidable system deficiencies rather than unavoidable traffic conflicts. Current adversarial simulation methods can…

Robotics · Computer Science 2026-05-14 Yizhuo Xiao , Haotian Yan , Ying Wang , Zhongpan Zhu , Yuxin Zhang , Xintao Yan , Mustafa Suphi Erden , Cheng Wang

Predictable inter-vehicle communication reliability is a basis for the paradigm shift from the traditional singlevehicle-oriented safety and efficiency control to networked vehicle control. The lack of predictable interference control in…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-08-16 Chuan Li , Hongwei Zhang , Jayanthi Rao , Le Yi Wang , George Yin

Crash prediction is a critical component of road safety analyses. A widely adopted approach to crash prediction is application of regression based techniques. The underlying calibration process is often time-consuming, requiring significant…

Machine Learning · Computer Science 2018-12-20 Guangyuan Pan , Liping Fu , Lalita Thakali , Matthew Muresan , Ming Yu

Perceived risk is crucial in designing trustworthy and acceptable vehicle automation systems. However, our understanding of its dynamics is limited, and models for perceived risk dynamics are scarce in the literature. This study formulates…

Human-Computer Interaction · Computer Science 2023-06-16 Xiaolin He , Riender Happee , Meng Wang

Secondary crash likelihood prediction is a critical component of an active traffic management system to mitigate congestion and adverse impacts caused by secondary crashes. However, existing approaches mainly rely on post-crash features…

Machine Learning · Computer Science 2026-02-20 Lei Han , Mohamed Abdel-Aty , Zubayer Islam , Chenzhu Wang

There have been numerous advances in reinforcement learning, but the typically unconstrained exploration of the learning process prevents the adoption of these methods in many safety critical applications. Recent work in safe reinforcement…

Machine Learning · Computer Science 2019-10-02 David Isele , Alireza Nakhaei , Kikuo Fujimura

Hamilton Jacobi (HJ) Reachability is a formal verification tool widely used in robotic safety analysis. Given a target set as unsafe states, a dynamical system is guaranteed not to enter the target under the worst-case disturbance if it…

Optimization and Control · Mathematics 2020-03-18 Anjian Li , Mo Chen

To operate reactively in uncertain environments, robots need to be able to quickly estimate the risk that they will collide with their environment. This ability is important for both planning (to ensure that plans maintain acceptable levels…

Robotics · Computer Science 2020-03-18 Charles Dawson , Andreas Hofmann , Brian Williams