Search Results for author: Ümit Özgüner

Found 5 papers, 4 papers with code

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

On the Generalizability of Motion Models for Road Users in Heterogeneous Shared Traffic Spaces

no code implementations18 Jan 2021 Fatema T. Johora, Dongfang Yang, Jörg P. Müller, Ümit Özgüner

The results indicate that our model can realistically simulate a wide range of motion behaviors and interaction scenarios, and that adding different motion patterns of pedestrians into our model improves its performance.

Clustering

Faraway-Frustum: Dealing with Lidar Sparsity for 3D Object Detection using Fusion

1 code implementation3 Nov 2020 Haolin Zhang, Dongfang Yang, Ekim Yurtsever, Keith A. Redmill, Ümit Özgüner

The main strategy is to depend solely on the 2D vision for recognizing object class, as object shape does not change drastically with an increase in depth, and use pointcloud data for object localization in the 3D space for faraway objects.

3D Object Detection Object +2

A Vision-based Social Distancing and Critical Density Detection System for COVID-19

1 code implementation7 Jul 2020 Dongfang Yang, Ekim Yurtsever, Vishnu Renganathan, Keith A. Redmill, Ümit Özgüner

If a violation is detected, a non-intrusive audio-visual warning signal is emitted without targeting the individual who breached the social distancing measure.

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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