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Leveraging temporal context is crucial for success in partially observable robotic tasks. However, prior work in behavior cloning has demonstrated inconsistent performance gains when using multi-frame observations. In this paper, we…

机器人学 · 计算机科学 2025-10-07 Huiwon Jang , Sihyun Yu , Heeseung Kwon , Hojin Jeon , Younggyo Seo , Jinwoo Shin

Post-training is essential for turning pretrained generalist robot policies into reliable task-specific controllers, but existing human-in-the-loop pipelines remain tied to physical execution: each correction requires robot time, scene…

机器人学 · 计算机科学 2026-05-06 Yaxuan Li , Zhongyi Zhou , Yefei Chen , Yanjiang Guo , Jiaming Liu , Shanghang Zhang , Jianyu Chen , Yichen Zhu

Amid growing efforts to leverage advances in large language models (LLMs) and vision-language models (VLMs) for robotics, Vision-Language-Action (VLA) models have recently gained significant attention. By unifying vision, language, and…

机器人学 · 计算机科学 2025-10-09 Kento Kawaharazuka , Jihoon Oh , Jun Yamada , Ingmar Posner , Yuke Zhu

Long-horizon planning is widely recognized as a core capability of autonomous LLM-based agents; however, current evaluation frameworks suffer from being largely episodic, domain-specific, or insufficiently grounded in persistent economic…

Despite promising progress in reinforcement learning (RL), developing algorithms for autonomous driving (AD) remains challenging: one of the critical issues being the absence of an open-source platform capable of training and effectively…

机器学习 · 计算机科学 2021-11-16 Parth Kothari , Christian Perone , Luca Bergamini , Alexandre Alahi , Peter Ondruska

Reinforcement Learning (RL) has made significant strides in complex tasks but struggles in multi-task settings with different embodiments. World model methods offer scalability by learning a simulation of the environment but often rely on…

机器学习 · 计算机科学 2025-02-25 Ignat Georgiev , Varun Giridhar , Nicklas Hansen , Animesh Garg

Learning robust and generalizable world models is crucial for enabling efficient and scalable robotic control in real-world environments. In this work, we introduce a novel framework for learning world models that accurately capture…

机器人学 · 计算机科学 2025-12-16 Chenhao Li , Andreas Krause , Marco Hutter

Learning to control robots directly based on images is a primary challenge in robotics. However, many existing reinforcement learning approaches require iteratively obtaining millions of robot samples to learn a policy, which can take…

机器人学 · 计算机科学 2019-08-02 AJ Piergiovanni , Alan Wu , Michael S. Ryoo

World Action Models (WAMs) have emerged as a promising paradigm for robot control by modeling physical dynamics. Current WAMs generally follow two paradigms: the "Imagine-then-Execute" approach, which uses video prediction to infer actions…

机器人学 · 计算机科学 2026-05-12 Qiuxuan Feng , Jiale Yu , Jiaming Liu , Yueru Jia , Zhuangzhe Wu , Hao Chen , Zezhong Qian , Shuo Gu , Peng Jia , Siwei Ma , Shanghang Zhang

We present WorldVLA, an autoregressive action world model that unifies action and image understanding and generation. Our WorldVLA intergrates Vision-Language-Action (VLA) model and world model in one single framework. The world model…

机器人学 · 计算机科学 2025-06-27 Jun Cen , Chaohui Yu , Hangjie Yuan , Yuming Jiang , Siteng Huang , Jiayan Guo , Xin Li , Yibing Song , Hao Luo , Fan Wang , Deli Zhao , Hao Chen

This work highlights that video world modeling, alongside vision-language pre-training, establishes a fresh and independent foundation for robot learning. Intuitively, video world models provide the ability to imagine the near future by…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Lin Li , Qihang Zhang , Yiming Luo , Shuai Yang , Ruilin Wang , Fei Han , Mingrui Yu , Zelin Gao , Nan Xue , Xing Zhu , Yujun Shen , Yinghao Xu

Vision-language-action (VLA) models that directly predict multi-step action chunks from current observations face inherent limitations due to constrained scene understanding and weak future anticipation capabilities. In contrast, video…

Reinforcement Learning (RL) has shown great potential in refining robotic manipulation policies, yet its efficacy remains strongly bottlenecked by the difficulty of designing generalizable reward functions. In this paper, we propose a…

机器人学 · 计算机科学 2026-03-24 Yanru Wu , Weiduo Yuan , Ang Qi , Vitor Guizilini , Jiageng Mao , Yue Wang

Scalable and reproducible policy evaluation has been a long-standing challenge in robot learning. Evaluations are critical to assess progress and build better policies, but evaluation in the real world, especially at a scale that would…

机器人学 · 计算机科学 2025-04-04 Zhiyuan Zhou , Pranav Atreya , You Liang Tan , Karl Pertsch , Sergey Levine

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…

This paper presents the World-Action Model (WAM), an action-regularized world model that jointly reasons over future visual observations and the actions that drive state transitions. Unlike conventional world models trained solely via image…

人工智能 · 计算机科学 2026-04-01 Yuci Han , Alper Yilmaz

Vision-Language-Action (VLA) models have recently achieved notable progress in end-to-end autonomous driving by integrating perception, reasoning, and control within a unified multimodal framework. However, they often lack explicit modeling…

计算机视觉与模式识别 · 计算机科学 2026-04-13 Guoqing Wang , Pin Tang , Xiangxuan Ren , Guodongfang Zhao , Bailan Feng , Chao Ma

Vision-Language-Action (VLA) models have achieved strong semantic generalization for embodied policy learning, yet they learn reactive observation-to-action mappings without explicitly modeling how the physical world evolves under…

The strong performance of large vision-language models (VLMs) trained with reinforcement learning (RL) has motivated similar approaches for fine-tuning vision-language-action (VLA) models in robotics. Many recent works fine-tune VLAs…

机器人学 · 计算机科学 2026-03-31 Andrew Choi , Xinjie Wang , Zhizhong Su , Wei Xu

While Vision-Language Models (VLMs) have achieved remarkable progress in static visual understanding, their deployment in complex 3D embodied environments remains severely limited. Existing benchmarks suffer from four critical deficiencies:…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Ruizhi Zhang , Ye Huang , Yuangang Pan , Chuanfu Shen , Zhilin Liu , Ting Xie , Wen Li , Lixin Duan