Search Results for author: Keith Redmill

Found 5 papers, 3 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

Predicting Pedestrian Crossing Intention with Feature Fusion and Spatio-Temporal Attention

3 code implementations12 Apr 2021 Dongfang Yang, Haolin Zhang, Ekim Yurtsever, Keith Redmill, Ümit Özgüner

This work addresses the above limitations by introducing a novel neural network architecture to fuse inherently different spatio-temporal features for pedestrian crossing intention prediction.

Semantic Segmentation

Top-view Trajectories: A Pedestrian Dataset of Vehicle-Crowd Interaction from Controlled Experiments and Crowded Campus

2 code implementations1 Feb 2019 Dongfang Yang, Linhui Li, Keith Redmill, Ümit Özgüner

The final trajectories of pedestrians and vehicles were refined by Kalman filters with linear point-mass model and nonlinear bicycle model, respectively, in which xy-velocity of pedestrians and longitudinal speed and orientation of vehicles were estimated.

Autonomous Vehicles

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