no code implementations • 31 Oct 2019 • Nicholas Waytowich, Sean L. Barton, Vernon Lawhern, Garrett Warnell
While this problem can be addressed through reward shaping, such approaches typically require a human expert with specialized knowledge.
no code implementations • 24 Apr 2019 • Nicholas Waytowich, Sean L. Barton, Vernon Lawhern, Ethan Stump, Garrett Warnell
While deep reinforcement learning techniques have led to agents that are successfully able to learn to perform a number of tasks that had been previously unlearnable, these techniques are still susceptible to the longstanding problem of {\em reward sparsity}.
1 code implementation • 12 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.
2 code implementations • 28 Sep 2017 • Garrett Warnell, Nicholas Waytowich, Vernon Lawhern, Peter Stone
While recent advances in deep reinforcement learning have allowed autonomous learning agents to succeed at a variety of complex tasks, existing algorithms generally require a lot of training data.