Search Results for author: Haruki Nishimura

Found 4 papers, 1 papers with code

Residual Q-Learning: Offline and Online Policy Customization without Value

no code implementations NeurIPS 2023 Chenran Li, Chen Tang, Haruki Nishimura, Jean Mercat, Masayoshi Tomizuka, Wei Zhan

Specifically, we formulate the customization problem as a Markov Decision Process (MDP) with a reward function that combines 1) the inherent reward of the demonstration; and 2) the add-on reward specified by the downstream task.

Imitation Learning Q-Learning

In-Distribution Barrier Functions: Self-Supervised Policy Filters that Avoid Out-of-Distribution States

no code implementations27 Jan 2023 Fernando Castañeda, Haruki Nishimura, Rowan Mcallister, Koushil Sreenath, Adrien Gaidon

Learning-based control approaches have shown great promise in performing complex tasks directly from high-dimensional perception data for real robotic systems.

RAP: Risk-Aware Prediction for Robust Planning

1 code implementation4 Oct 2022 Haruki Nishimura, Jean Mercat, Blake Wulfe, Rowan Mcallister, Adrien Gaidon

Robust planning in interactive scenarios requires predicting the uncertain future to make risk-aware decisions.

Risk-Sensitive Sequential Action Control with Multi-Modal Human Trajectory Forecasting for Safe Crowd-Robot Interaction

no code implementations12 Sep 2020 Haruki Nishimura, Boris Ivanovic, Adrien Gaidon, Marco Pavone, Mac Schwager

This paper presents a novel online framework for safe crowd-robot interaction based on risk-sensitive stochastic optimal control, wherein the risk is modeled by the entropic risk measure.

Model Predictive Control Trajectory Forecasting

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