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Recent reports from the World Health Organization highlight that Vulnerable Road Users (VRUs) have been involved in over half of the road fatalities in recent years, with occlusion risk - a scenario where VRUs are hidden from drivers' view…

Networking and Internet Architecture · Computer Science 2024-04-12 Vincent Albert Wolff , Edmir Xhoxhi

Recurrence quantification analysis is a widely used method for characterizing patterns in time series. This article presents a comprehensive survey for conducting a wide range of recurrence-based analyses to quantify the dynamical structure…

Data Analysis, Statistics and Probability · Physics 2023-03-30 Moreno I. Coco , Dan Mønster , Giuseppe Leonardi , Rick Dale , Sebastian Wallot

Following detection and tracking of traffic actors, prediction of their future motion is the next critical component of a self-driving vehicle (SDV) technology, allowing the SDV to operate safely and efficiently in its environment. This is…

The study focuses on the experiment of using three different smartphones to collect acceleration data from vibration for the road roughness detection. The Android operating system is used in the application. The study takes place on…

Machine Learning · Computer Science 2019-07-31 Piyasak Thiandee , Boonsap Witchayangkoon , Sayan Sirimontree , Ponlathep Lertworawanich

We propose a new warning system based on smartphones that evaluates the risk of motor vehicle for vulnerable pedestrian (VP). The acoustic sensors are embedded in roadside to receive vehicles sounds and they are classified into heavy…

Signal Processing · Electrical Eng. & Systems 2025-05-06 Masoomeh Khalili , Mehdi Ghatee , Mehdi Teimouri , Mohammad Mahdi Bejani

Vulnerable Road User (VRU) safety has been an important issue throughout the years as corresponding fatality numbers in traffic have been increasing each year. With the developments in connected vehicle technology, there are new and easier…

Systems and Control · Electrical Eng. & Systems 2023-05-30 Sukru Yaren Gelbal , Mustafa Ridvan Cantas , Bilin Aksun Guvenc , Levent Guvenc , Gopichandra Surnilla , Hao Zhang

Recurrence Quantification Analysis (RQA) is a widely used method for capturing the dynamical structure embedded in time series data, relying on the analysis of recurrence patterns in the reconstructed phase space via recurrence plots (RPs).…

Chaotic Dynamics · Physics 2026-01-15 Athul Mohan , G. Ambika , Chandrakala Meena

Edge-enabled Vehicular Ad Hoc Network (VANET) introduces real-time services and storage, computation, and communication facilities to the vehicles through Roadside Units (RSUs). Nevertheless, RSUs are often easy targets for security…

Cryptography and Security · Computer Science 2025-08-05 Farhana Siddiqua , Mosarrat Jahan

Authentication of smartphone users is important because a lot of sensitive data is stored in the smartphone and the smartphone is also used to access various cloud data and services. However, smartphones are easily stolen or co-opted by an…

Cryptography and Security · Computer Science 2017-09-01 Wei-Han Lee , Ruby B. Lee

Several intelligent transportation systems focus on studying the various driver behaviors for numerous objectives. This includes the ability to analyze driver actions, sensitivity, distraction, and response time. As the data collection is…

Machine Learning · Computer Science 2021-08-31 Ahmed B. Zaky , Mohamed A. Khamis , Walid Gomaa

In this work we explore the possibility of using Recurrence Quantification Analysis (RQA) in astronomical high-contrast imaging to statistically discriminate the signal of faint objects from speckle noise. To this end, we tested RQA on a…

Instrumentation and Methods for Astrophysics · Physics 2018-11-28 M. Stangalini , G. Li Causi , F. Pedichini , S. Antoniucci , M. Mattioli , J. Christou , G. Consolini , D. Hope , S. M. Jefferies , R. Piazzesi , V. Testa

Pedestrian heading tracking enables applications in pedestrian navigation, traffic safety, and accessibility. Previous works, using inertial sensor fusion or machine learning, are limited in that they assume the phone is fixed in specific…

Signal Processing · Electrical Eng. & Systems 2024-10-10 Yucheng Yang , Jingjie Li , Kassem Fawaz

V2X communication has become crucial for enhancing road safety, especially for Vulnerable Road Users (VRU) such as pedestrians and cyclists. However, the increasing number of devices communicating on the same channels will lead to…

Emerging Technologies · Computer Science 2025-06-30 Nico Ostendorf , Keno Garlichs , Lars Wolf

Unsignalized intersections pose significant safety and efficiency challenges due to complex traffic flows. This paper proposes a novel roadside unit (RSU)-centric cooperative driving system leveraging global perception and…

Robotics · Computer Science 2025-05-08 Taoyuan Yu , Kui Wang , Zongdian Li , Tao Yu , Kei Sakaguchi

Road safety assessments are critical yet costly, especially in Low- and Middle-Income Countries (LMICs), where most roads remain unrated. Traditional methods require expert annotation and training data, while supervised learning-based…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Natchapon Jongwiriyanurak , Zichao Zeng , June Moh Goo , Xinglei Wang , Ilya Ilyankou , Kerkritt Sriroongvikrai , Nicola Christie , Meihui Wang , Huanfa Chen , James Haworth

Completely unmanned autonomous vehicles have been anticipated for a while. Initially, these are expected to drive only under certain conditions on some roads, and advanced functionality is required to cope with the ever-increasing…

Human-Computer Interaction · Computer Science 2020-07-23 Walter Morales Alvarez , Miguel Ángel de Miguel , Fernando García , Cristina Olaverri-Monreal

Avoiding unseen or partially occluded vulnerable road users (VRUs) is a major challenge for fully autonomous driving in urban scenes. However, occlusion-aware risk assessment systems have not been widely studied. Here, we propose a…

Robotics · Computer Science 2021-07-07 Mert Koc , Ekim Yurtsever , Keith Redmill , Umit Ozguner

The end-to-end learning ability of self-driving vehicles has achieved significant milestones over the last decade owing to rapid advances in deep learning and computer vision algorithms. However, as autonomous driving technology is a…

Computer Vision and Pattern Recognition · Computer Science 2023-07-21 Shahin Atakishiyev , Mohammad Salameh , Housam Babiker , Randy Goebel

Automated vehicles (AVs) are of great potential in reducing crashes on the road. However, it is still complicated to eliminate all the possible accidents, especially those with vulnerable road users (VRUs), who are among the greater risk…

Human-Computer Interaction · Computer Science 2023-05-22 Aditya Deshmukh , Zifei Wang , Aaron Gunn , Huizhong Guo , Rini Sherony , Fred Feng , Brian Lin , Shan Bao , Feng Zhou

This paper summarizes the design, experiments and results of our solution to the Road Damage Detection and Classification Challenge held as part of the 2018 IEEE International Conference On Big Data Cup. Automatic detection and…

Computer Vision and Pattern Recognition · Computer Science 2018-11-13 Janpreet Singh , Shashank Shekhar