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Kurt Gray

5 accepted papers

2024

WorldValuesBench: A Large-Scale Benchmark Dataset for Multi-Cultural Value Awareness of Language Models

COLING 2024main

The awareness of multi-cultural human values is critical to the ability of language models (LMs) to generate safe and personalized responses. However, this awareness of LMs has been insufficiently studied, since the computer science community lacks access to the large-scale real-world data about mul…

2020

Take an Emotion Walk: Perceiving Emotions from Gaits Using Hierarchical Attention Pooling and Affective Mapping

ECCV 2020poster

We present an autoencoder-based semi-supervised approach to classify perceived human emotions from walking styles obtained from videos or motion-captured data and represented as sequences of 3D poses. Given the motion on each joint in the pose at each time step extracted from 3D pose sequences, we h…

Cited by 62SourcePDFScholar
2019

Pedestrian Dominance Modeling for Socially-Aware Robot Navigation

ICRA 2019poster

We present a Pedestrian Dominance Model (PDM) to identify the dominance characteristics of pedestrians for robot navigation. Through a perception study on a simulated dataset of pedestrians, PDM models the perceived dominance levels of pedestrians with varying motion behaviors corresponding to traje…

Cited by 49SourceScholar
2018

Identifying Driver Behaviors Using Trajectory Features for Vehicle Navigation

IROS 2018poster

We present a novel approach to automatically identify driver behaviors from vehicle trajectories and use them for safe navigation of autonomous vehicles. We propose a novel set of features that can be easily extracted from car trajectories. We derive a data-driven mapping between these features and…

Cited by 54SourceScholar
2018

The Socially Invisible Robot Navigation in the Social World Using Robot Entitativity

IROS 2018poster

We present a real-time, data-driven algorithm to enhance the social-invisibility of robots within crowds. Our approach is based on prior psychological research, which reveals that people notice and-importantly-react negatively to groups of social actors when they have high entitativity, moving in a…

Cited by 24SourceScholar