Search Results for author: Umit Ozguner

Found 5 papers, 1 papers with code

Using Collision Momentum in Deep Reinforcement Learning Based Adversarial Pedestrian Modeling

no code implementations13 Jun 2023 Dianwei Chen, Ekim Yurtsever, Keith Redmill, Umit Ozguner

Recent research in pedestrian simulation often aims to develop realistic behaviors in various situations, but it is challenging for existing algorithms to generate behaviors that identify weaknesses in automated vehicles' performance in extreme and unlikely scenarios and edge cases.

Autonomous Driving reinforcement-learning

Pedestrian Emergence Estimation and Occlusion-Aware Risk Assessment for Urban Autonomous Driving

no code implementations6 Jul 2021 Mert Koc, Ekim Yurtsever, Keith Redmill, Umit Ozguner

Here, we propose a pedestrian emergence estimation and occlusion-aware risk assessment system for urban autonomous driving.

Autonomous Driving

An online evolving framework for advancing reinforcement-learning based automated vehicle control

no code implementations15 Jun 2020 Teawon Han, Subramanya Nageshrao, Dimitar P. Filev, Umit Ozguner

With the latest stochastic model and given criteria, the action-reviser module checks validity of the controller's chosen action by predicting future states.

Decision Making reinforcement-learning +1

An Online Evolving Framework for Modeling the Safe Autonomous Vehicle Control System via Online Recognition of Latent Risks

no code implementations28 Aug 2019 Teawon Han, Dimitar Filev, Umit Ozguner

Within the framework, the evolving Finite State Machine (e-FSM), which is an online model able to (1) determine states uniquely as needed, (2) recognize states, and (3) identify state-transitions, is introduced.

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