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Self-driving research often underrepresents cyclist collisions and safety. To address this, we present CycleCrash, a novel dataset consisting of 3,000 dashcam videos with 436,347 frames that capture cyclists in a range of critical…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Nishq Poorav Desai , Ali Etemad , Michael Greenspan

Pedestrian safety is a priority for transportation system managers and operators, and a main focus of the Vision Zero strategy employed by the City of Austin, Texas. While there are a number of treatments and technologies to effectively…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Weijia Xu , Heidi Ross , Joel Meyer , Kelly Pierce , Natalia Ruiz Juri , Jennifer Duthie

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

Natural Human-Robot Interaction (N-HRI) requires robots to recognize human actions at varying distances and states, regardless of whether the robot itself is in motion or stationary. This setup is more flexible and practical than…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Ziyi Wang , Peiming Li , Hong Liu , Zhichao Deng , Can Wang , Jun Liu , Junsong Yuan , Mengyuan Liu

The human driver is no longer the only one concerned with the complexity of the driving scenarios. Autonomous vehicles (AV) are similarly becoming involved in the process. Nowadays, the development of AVs in urban places raises essential…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Lina Achaji , Julien Moreau , Thibault Fouqueray , Francois Aioun , Francois Charpillet

Robust and accurate tracking and localization of road users like pedestrians and cyclists is crucial to ensure safe and effective navigation of Autonomous Vehicles (AVs), particularly so in urban driving scenarios with complex…

Robotics · Computer Science 2023-09-29 Jia Huang , Alvika Gautam , Junghun Choi , Srikanth Saripalli

Injuries and fatalities for vulnerable road users, especially bicyclists and pedestrians, are on the rise. To better inform design for vulnerable road users, we need to conduct more studies to evaluate how bicyclist and pedestrian behavior…

Human-Computer Interaction · Computer Science 2022-09-07 Xiang Guo , Austin Angulo , Erin Robartes , T. Donna Chen , Arsalan Heydarian

Ensuring the safety of vulnerable road users (VRUs), including pedestrians, cyclists, electric scooter riders, and motorcyclists, remains a major challenge for advanced driver assistance systems (ADAS) and connected and automated vehicles…

Systems and Control · Electrical Eng. & Systems 2025-10-23 Zhitong He , Yaobin Chen , Brian King , Lingxi Li

Predicting the collective motion of a group of pedestrians (a crowd) under the vehicle influence is essential for the development of autonomous vehicles to deal with mixed urban scenarios where interpersonal interaction and vehicle-crowd…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Dongfang Yang , Linhui Li , Keith Redmill , Ümit Özgüner

Vulnerable road users (VRUs), such as pedestrians and bicyclists, are at a higher risk of being involved in crashes with motor vehicles, and crashes involving VRUs also are more likely to result in severe injuries or fatalities. Signalized…

Machine Learning · Computer Science 2023-07-26 Agnimitra Sengupta , S. Ilgin Guler , Vikash V. Gayah , Shannon Warchol

The present cross-disciplinary research explores pedestrian-autonomous vehicle interactions in a safe, virtual environment. We first present contemporary tools in the field and then propose the design and development of a new application…

Computers and Society · Computer Science 2021-10-01 Georgios Pappas , Joshua E. Siegel , Jacob Rutkowski , Andrea Schaaf

Reliable perception remains a key challenge for Connected Automated Vehicles (CAVs) in complex real-world environments, where varying lighting conditions and adverse weather degrade sensing performance. While existing multi-sensor solutions…

In the field of autonomous driving research, the use of immersive virtual reality (VR) techniques is widespread to enable a variety of studies under safe and controlled conditions. However, this methodology is only valid and consistent if…

Human-Computer Interaction · Computer Science 2024-07-08 Sergio. Martín Serrano , Rubén Izquierdo , Iván García Daza , Miguel Ángel Sotelo , D. Fernández Llorca

In cities worldwide, cars cause health and traffic problems whichcould be partly mitigated through an increased modal share of bicycles. Many people, however, avoid cycling due to a lack of perceived safety. For city planners, addressing…

Machine Learning · Computer Science 2023-03-15 Ahmet-Serdar Karakaya , Thomas Ritter , Felix Biessmann , David Bermbach

One of the major challenges for autonomous vehicles in urban environments is to understand and predict other road users' actions, in particular, pedestrians at the point of crossing. The common approach to solving this problem is to use the…

Computer Vision and Pattern Recognition · Computer Science 2020-05-15 Amir Rasouli , Iuliia Kotseruba , John K. Tsotsos

We present HetroD, a dataset and benchmark for developing autonomous driving systems in heterogeneous environments. HetroD targets the critical challenge of navi- gating real-world heterogeneous traffic dominated by vulner- able road users…

The Operational Design Domain (ODD) of urbanoriented Level 4 (L4) autonomous driving, especially for autonomous robotaxis, confronts formidable challenges in complex urban mixed traffic environments. These challenges stem mainly from the…

In autonomous driving, the integration of roadside perception systems is essential for overcoming occlusion challenges and enhancing the safety of Vulnerable Road Users(VRUs). While LiDAR and visual (RGB) sensors are commonly used, thermal…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Jonas Mirlach , Lei Wan , Andreas Wiedholz , Hannan Ejaz Keen , Andreas Eich

The integration of human-centric approaches has gained more attention recently due to more automated systems being introduced into our built environments (buildings, roads, vehicles, etc.), which requires a correct understanding of how…

Human-Computer Interaction · Computer Science 2022-10-05 Xiang Guo , Austin Angulo , Arash Tavakoli , Erin Robartes , T. Donna Chen , Arsalan Heydarian

Vulnerable road users (VRUs) such as pedestrians, cyclists, and motorcyclists represent more than half of global traffic deaths, yet their detection remains challenging in poor lighting, adverse weather, and unbalanced data sets. This paper…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Penelope Brown , Julie Stephany Berrio Perez , Mao Shan , Stewart Worrall