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This paper presents a novel Learning from Demonstration (LfD) method that uses neural fields to learn new skills efficiently and accurately. It achieves this by utilizing a shared embedding to learn both scene and motion representations in…

机器人学 · 计算机科学 2023-08-16 Ahmet Tekden , Marc Peter Deisenroth , Yasemin Bekiroglu

In the past decades, we have witnessed significant progress in the domain of autonomous driving. Advanced techniques based on optimization and reinforcement learning (RL) become increasingly powerful at solving the forward problem: given…

机器人学 · 计算机科学 2020-06-25 Zheng Wu , Liting Sun , Wei Zhan , Chenyu Yang , Masayoshi Tomizuka

Motion planning and control are crucial components of robotics applications like automated driving. Here, spatio-temporal hard constraints like system dynamics and safety boundaries (e.g., obstacles) restrict the robot's motions. Direct…

机器人学 · 计算机科学 2023-08-29 Christopher Diehl , Janis Adamek , Martin Krüger , Frank Hoffmann , Torsten Bertram

Deep reinforcement learning (DRL) is a promising way to achieve human-like autonomous driving. However, the low sample efficiency and difficulty of designing reward functions for DRL would hinder its applications in practice. In light of…

机器人学 · 计算机科学 2021-10-29 Zhiyu Huang , Jingda Wu , Chen Lv

In this paper, we propose a reinforcement learning-based algorithm for trajectory optimization for constrained dynamical systems. This problem is motivated by the fact that for most robotic systems, the dynamics may not always be known.…

Deep networks trained on demonstrations of human driving have learned to follow roads and avoid obstacles. However, driving policies trained via imitation learning cannot be controlled at test time. A vehicle trained end-to-end to imitate…

机器人学 · 计算机科学 2018-03-05 Felipe Codevilla , Matthias Müller , Antonio López , Vladlen Koltun , Alexey Dosovitskiy

We train embodied neural networks to plan and navigate unseen complex 3D environments, emphasising real-world deployment. Rather than requiring prior knowledge of the agent or environment, the planner learns to model the state transitions…

机器人学 · 计算机科学 2022-06-03 Shu Ishida , João F. Henriques

We extend the learning from demonstration paradigm by providing a method for learning unknown constraints shared across tasks, using demonstrations of the tasks, their cost functions, and knowledge of the system dynamics and control…

机器人学 · 计算机科学 2019-02-22 Glen Chou , Dmitry Berenson , Necmiye Ozay

Model-free deep-reinforcement-based learning algorithms have been applied to a range of COPs~\cite{bello2016neural}~\cite{kool2018attention}~\cite{nazari2018reinforcement}. However, these approaches suffer from two key challenges when…

机器学习 · 计算机科学 2022-06-01 Nasrin Sultana , Jeffrey Chan , Tabinda Sarwar , A. K. Qin

When applying imitation learning techniques to fit a policy from expert demonstrations, one can take advantage of prior stability/robustness assumptions on the expert's policy and incorporate such control-theoretic prior knowledge…

最优化与控制 · 数学 2021-03-25 Aaron Havens , Bin Hu

We present a method for learning to satisfy uncertain constraints from demonstrations. Our method uses robust optimization to obtain a belief over the potentially infinite set of possible constraints consistent with the demonstrations, and…

机器人学 · 计算机科学 2020-11-10 Glen Chou , Necmiye Ozay , Dmitry Berenson

Deep reinforcement learning (DRL) has been used to learn effective heuristics for solving complex combinatorial optimisation problem via policy networks and have demonstrated promising performance. Existing works have focused on solving…

机器学习 · 计算机科学 2020-12-25 Nasrin Sultana , Jeffrey Chan , A. K. Qin , Tabinda Sarwar

This paper presents a safe imitation learning approach for autonomous vehicle driving, with attention on real-life human driving data and experimental validation. In order to increase occupant's acceptance and gain drivers' trust, the…

系统与控制 · 电气工程与系统科学 2021-10-11 Flavia Sofia Acerbo , Mohsen Alirezaei , Herman Van der Auweraer , Tong Duy Son

Motion planning and obstacle avoidance is a key challenge in robotics applications. While previous work succeeds to provide excellent solutions for known environments, sensor-based motion planning in new and dynamic environments remains…

机器人学 · 计算机科学 2021-03-24 Robin Strudel , Ricardo Garcia , Justin Carpentier , Jean-Paul Laumond , Ivan Laptev , Cordelia Schmid

We assume that we are given a time series of data from a dynamical system and our task is to learn the flow map of the dynamical system. We present a collection of results on how to enforce constraints coming from the dynamical system in…

机器学习 · 计算机科学 2019-05-21 Panos Stinis

Prompt learning represents a promising method for adapting pre-trained vision-language models (VLMs) to various downstream tasks by learning a set of text embeddings. One challenge inherent to these methods is the poor generalization…

计算机视觉与模式识别 · 计算机科学 2024-11-18 Fangming Cui , Xun Yang , Chao Wu , Liang Xiao , Xinmei Tian

Stable dynamical systems are a flexible tool to plan robotic motions in real-time. In the robotic literature, dynamical system motions are typically planned without considering possible limitations in the robot's workspace. This work…

机器人学 · 计算机科学 2020-03-26 Matteo Saveriano , Dongheui Lee

Vision-language models (VLMs) have recently emerged as powerful representation learning systems that align visual observations with natural language concepts, offering new opportunities for semantic reasoning in safety-critical autonomous…

计算机视觉与模式识别 · 计算机科学 2026-02-19 Ross Greer , Maitrayee Keskar , Angel Martinez-Sanchez , Parthib Roy , Shashank Shriram , Mohan Trivedi

In this paper, we present a learning approach to goal assignment and trajectory planning for unlabeled robots operating in 2D, obstacle-filled workspaces. More specifically, we tackle the unlabeled multi-robot motion planning problem with…

In the field of autonomous driving, end-to-end deep learning models show great potential by learning driving decisions directly from sensor data. However, training these models requires large amounts of labeled data, which is time-consuming…

计算机视觉与模式识别 · 计算机科学 2025-03-17 Wenhao Jiang , Duo Li , Menghan Hu , Chao Ma , Ke Wang , Zhipeng Zhang