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Generalist robots should be able to understand and follow user instructions, but current vision-language-action (VLA) models struggle with following fine-grained commands despite providing a powerful architecture for mapping open-vocabulary…

机器人学 · 计算机科学 2025-08-20 Catherine Glossop , William Chen , Arjun Bhorkar , Dhruv Shah , Sergey Levine

Learning visuomotor policy for multi-task robotic manipulation has been a long-standing challenge for the robotics community. The difficulty lies in the diversity of action space: typically, a goal can be accomplished in multiple ways,…

机器人学 · 计算机科学 2025-03-24 Kun Wu , Yichen Zhu , Jinming Li , Junjie Wen , Ning Liu , Zhiyuan Xu , Jian Tang

While Vision-Language-Action (VLA) models show strong promise for generalist robot control, it remains unclear whether -- and under what conditions -- the standard "scale data" recipe translates to robotics, where training data is…

Graph machine learning methods excel at leveraging pairwise relations present in the data. However, graphs are unable to fully capture the multi-way interactions inherent in many complex systems. An effective way to incorporate them is to…

Learning robot policies using imitation learning requires collecting large amounts of costly action-labeled expert demonstrations, which fundamentally limits the scale of training data. A promising approach to address this bottleneck is to…

机器人学 · 计算机科学 2025-05-12 Anthony Liang , Pavel Czempin , Matthew Hong , Yutai Zhou , Erdem Biyik , Stephen Tu

Robots are expected to serve as intelligent assistants, helping humans with everyday household organization. A central challenge in this setting is the task of object placement, which requires reasoning about both semantic preferences…

机器人学 · 计算机科学 2025-10-28 Yao Zhong , Hanzhi Chen , Simon Schaefer , Anran Zhang , Stefan Leutenegger

Large Language Models (LLMs) and strong vision models have enabled rapid research and development in the field of Vision-Language-Action models that enable robotic control. The main objective of these methods is to develop a generalist…

机器人学 · 计算机科学 2024-06-25 Omkar Joglekar , Tal Lancewicki , Shir Kozlovsky , Vladimir Tchuiev , Zohar Feldman , Dotan Di Castro

Visual representations are central to the learning and generalization capabilities of robotic manipulation policies. While existing methods rely on global or dense features, such representations often entangle task-relevant and irrelevant…

机器人学 · 计算机科学 2025-05-20 Alexandre Chapin , Bruno Machado , Emmanuel Dellandrea , Liming Chen

We consider the problem of navigating a mobile robot towards a target in an unknown environment that is endowed with visual sensors, where neither the robot nor the sensors have access to global positioning information and only use…

机器人学 · 计算机科学 2023-08-01 Jan Blumenkamp , Qingbiao Li , Binyu Wang , Zhe Liu , Amanda Prorok

Multi-view learning can cover all features of data samples more comprehensively, so multi-view learning has attracted widespread attention. Traditional subspace clustering methods, such as sparse subspace clustering (SSC) and low-ranking…

机器学习 · 计算机科学 2022-01-04 Jian-wei Liu , Hao-jie Xie , Run-kun Lu , Xiong-lin Luo

Data collection has become an increasingly important problem in robotic manipulation, yet there still lacks much understanding of how to effectively collect data to facilitate broad generalization. Recent works on large-scale robotic data…

机器人学 · 计算机科学 2024-05-22 Jensen Gao , Annie Xie , Ted Xiao , Chelsea Finn , Dorsa Sadigh

The generalization capabilities of robotic manipulation policies are heavily influenced by the choice of visual representations. Existing approaches typically rely on representations extracted from pre-trained encoders, using two dominant…

机器人学 · 计算机科学 2026-01-30 Alexandre Chapin , Bruno Machado , Emmanuel Dellandréa , Liming Chen

Robotic real-world reinforcement learning (RL) with vision-language-action (VLA) models is bottlenecked by sparse, handcrafted rewards and inefficient exploration. We introduce VLAC, a general process reward model built upon InternVL and…

Visual-audio navigation (VAN) is attracting more and more attention from the robotic community due to its broad applications, \emph{e.g.}, household robots and rescue robots. In this task, an embodied agent must search for and navigate to…

机器人学 · 计算机科学 2023-06-22 Hongcheng Wang , Yuxuan Wang , Fangwei Zhong , Mingdong Wu , Jianwei Zhang , Yizhou Wang , Hao Dong

We present a deep learning method for composite and task-driven motion control for physically simulated characters. In contrast to existing data-driven approaches using reinforcement learning that imitate full-body motions, we learn…

图形学 · 计算机科学 2023-05-08 Pei Xu , Xiumin Shang , Victor Zordan , Ioannis Karamouzas

A generalist robot equipped with learned skills must be able to perform many tasks in many different environments. However, zero-shot generalization to new settings is not always possible. When the robot encounters a new environment or…

机器人学 · 计算机科学 2021-06-15 Alexander Khazatsky , Ashvin Nair , Daniel Jing , Sergey Levine

Dexterous manipulation of arbitrary objects, a fundamental daily task for humans, has been a grand challenge for autonomous robotic systems. Although data-driven approaches using reinforcement learning can develop specialist policies that…

机器人学 · 计算机科学 2021-11-05 Wenlong Huang , Igor Mordatch , Pieter Abbeel , Deepak Pathak

Robust and efficient learning remains a challenging problem in robotics, in particular with complex visual inputs. Inspired by human attention mechanism, with which we quickly process complex visual scenes and react to changes in the…

机器人学 · 计算机科学 2023-08-30 Daniel Scheuchenstuhl , Stefan Ulmer , Felix Resch , Luigi Berducci , Radu Grosu

Learning to classify video data from classes not included in the training data, i.e. video-based zero-shot learning, is challenging. We conjecture that the natural alignment between the audio and visual modalities in video data provides a…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Otniel-Bogdan Mercea , Lukas Riesch , A. Sophia Koepke , Zeynep Akata

Tool use, a hallmark feature of human intelligence, remains a challenging problem in robotics due the complex contacts and high-dimensional action space. In this work, we present a novel method to enable reinforcement learning of tool use…

机器人学 · 计算机科学 2023-08-02 Malte Mosbach , Sven Behnke