no code implementations • 15 Jan 2022 • Tengfeng Lin, Zhixiong Jin, Seongjin Choi, Hwasoo Yeo
The mortality rate for pedestrians using wheelchairs was 36% higher than the overall population pedestrian mortality rate.
no code implementations • 1 Aug 2021 • Zhixiong Jin, Jiwon Kim, Hwasoo Yeo, Seongjin Choi
In many spatial trajectory-based applications, it is necessary to map raw trajectory data points onto road networks in digital maps, which is commonly referred to as a map-matching process.
no code implementations • 26 Jul 2021 • Byeongjoon Noh, Hansaem Park, Hwasoo Yeo
In particular, this study focuses on the latter by introducing a new analytical framework for a crosswalk safety assessment with behaviors of vehicle/pedestrian and environmental features.
no code implementations • 8 Jul 2021 • Byeongjoon Noh, Dongho Ka, Wonjun Noh, Hwasoo Yeo
In this paper, we propose an automated and simpler system for effectively extracting object behavioral features from video sensors deployed on the road.
no code implementations • 6 May 2021 • Byeongjoon Noh, Hwasoo Yeo
Road traffic accidents, especially vehicle pedestrian collisions in crosswalk, globally pose a severe threat to human lives and have become a leading cause of premature deaths.
no code implementations • 6 May 2021 • Byeongjoon Noh, Dongho Ka, David Lee, Hwasoo Yeo
Despite recent advances in vehicle safety technologies, road traffic accidents still pose a severe threat to human lives and have become a leading cause of premature deaths.
1 code implementation • 23 Sep 2020 • Ue-Hwan Kim, Dongho Ka, Hwasoo Yeo, Jong-Hwan Kim
To achieve the goal, pedestrian orientation recognition and prediction of pedestrian's crossing or not-crossing intention play a central role.
1 code implementation • 28 Jul 2020 • Seongjin Choi, Jiwon Kim, Hwasoo Yeo
A generative model for urban vehicle trajectories can better generalize from training data by learning the underlying distribution of the training data and, thus, produce synthetic vehicle trajectories similar to real vehicle trajectories with limited observations.
1 code implementation • 21 Jan 2020 • Ouafa Benkraouda, Bilal Thonnam Thodi, Hwasoo Yeo, Monica Menendez, Saif Eddin Jabari
We propose a statistical learning-based traffic speed estimation method that uses sparse vehicle trajectory information.
no code implementations • 18 Dec 2018 • Seongjin Choi, Jiwon Kim, Hwasoo Yeo
With the increasing deployment of diverse positioning devices and location-based services, a huge amount of spatial and temporal information has been collected and accumulated as trajectory data.