Search Results for author: Nicholas R. Waytowich

Found 11 papers, 5 papers with code

StarCraftImage: A Dataset For Prototyping Spatial Reasoning Methods For Multi-Agent Environments

no code implementations CVPR 2023 Sean Kulinski, Nicholas R. Waytowich, James Z. Hare, David I. Inouye

Spatial reasoning tasks in multi-agent environments such as event prediction, agent type identification, or missing data imputation are important for multiple applications (e. g., autonomous surveillance over sensor networks and subtasks for reinforcement learning (RL)).

Imputation Reinforcement Learning (RL) +2

Imitation Learning with Human Eye Gaze via Multi-Objective Prediction

1 code implementation25 Feb 2021 Ravi Kumar Thakur, MD-Nazmus Samin Sunbeam, Vinicius G. Goecks, Ellen Novoseller, Ritwik Bera, Vernon J. Lawhern, Gregory M. Gremillion, John Valasek, Nicholas R. Waytowich

In this work, we propose Gaze Regularized Imitation Learning (GRIL), a novel context-aware, imitation learning architecture that learns concurrently from both human demonstrations and eye gaze to solve tasks where visual attention provides important context.

Continuous Control Imitation Learning +4

PODNet: A Neural Network for Discovery of Plannable Options

no code implementations1 Nov 2019 Ritwik Bera, Vinicius G. Goecks, Gregory M. Gremillion, John Valasek, Nicholas R. Waytowich

Learning from demonstration has been widely studied in machine learning but becomes challenging when the demonstrated trajectories are unstructured and follow different objectives.

Integrating Behavior Cloning and Reinforcement Learning for Improved Performance in Dense and Sparse Reward Environments

no code implementations9 Oct 2019 Vinicius G. Goecks, Gregory M. Gremillion, Vernon J. Lawhern, John Valasek, Nicholas R. Waytowich

However, it is currently unclear how to efficiently update that policy using reinforcement learning as these approaches are inherently optimizing different objective functions.

Q-Learning reinforcement-learning +1

On Memory Mechanism in Multi-Agent Reinforcement Learning

no code implementations11 Sep 2019 Yilun Zhou, Derrik E. Asher, Nicholas R. Waytowich, Julie A. Shah

Multi-agent reinforcement learning (MARL) extends (single-agent) reinforcement learning (RL) by introducing additional agents and (potentially) partial observability of the environment.

Multi-agent Reinforcement Learning reinforcement-learning +1

Efficiently Combining Human Demonstrations and Interventions for Safe Training of Autonomous Systems in Real-Time

1 code implementation26 Oct 2018 Vinicius G. Goecks, Gregory M. Gremillion, Vernon J. Lawhern, John Valasek, Nicholas R. Waytowich

This paper investigates how to utilize different forms of human interaction to safely train autonomous systems in real-time by learning from both human demonstrations and interventions.

Imitation Learning

Coordination-driven learning in multi-agent problem spaces

no code implementations13 Sep 2018 Sean L. Barton, Nicholas R. Waytowich, Derrik E. Asher

We discuss the role of coordination as a direct learning objective in multi-agent reinforcement learning (MARL) domains.

Multi-agent Reinforcement Learning reinforcement-learning +1

Cycle-of-Learning for Autonomous Systems from Human Interaction

1 code implementation28 Aug 2018 Nicholas R. Waytowich, Vinicius G. Goecks, Vernon J. Lawhern

We discuss different types of human-robot interaction paradigms in the context of training end-to-end reinforcement learning algorithms.

reinforcement-learning Reinforcement Learning (RL)

Compact Convolutional Neural Networks for Classification of Asynchronous Steady-state Visual Evoked Potentials

1 code implementation12 Mar 2018 Nicholas R. Waytowich, Vernon Lawhern, Javier O. Garcia, Jennifer Cummings, Josef Faller, Paul Sajda, Jean M. Vettel

Steady-State Visual Evoked Potentials (SSVEPs) are neural oscillations from the parietal and occipital regions of the brain that are evoked from flickering visual stimuli.

EEG General Classification +1

EEGNet: A Compact Convolutional Network for EEG-based Brain-Computer Interfaces

9 code implementations23 Nov 2016 Vernon J. Lawhern, Amelia J. Solon, Nicholas R. Waytowich, Stephen M. Gordon, Chou P. Hung, Brent J. Lance

We introduce the use of depthwise and separable convolutions to construct an EEG-specific model which encapsulates well-known EEG feature extraction concepts for BCI.

EEG Speech Recognition

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