English
Related papers

Related papers: ExpReS-VLA: Specializing Vision-Language-Action Mo…

200 papers

Vision-Language Models (VLMs) have emerged as a promising approach to address the data scarcity challenge in robotics, enabling the development of generalizable visuomotor control policies. While models like OpenVLA showcase the potential…

Large policies pretrained on a combination of Internet-scale vision-language data and diverse robot demonstrations have the potential to change how we teach robots new skills: rather than training new behaviors from scratch, we can…

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…

Continual learning is a long-standing challenge in robot policy learning, where a policy must acquire new skills over time without catastrophically forgetting previously learned ones. While prior work has extensively studied continual…

Machine Learning · Computer Science 2026-03-19 Huihan Liu , Changyeon Kim , Bo Liu , Minghuan Liu , Yuke Zhu

Vision-Language-Action (VLA) models exhibit strong generalization in robotic manipulation, yet reinforcement learning (RL) fine-tuning often degrades robustness under spatial distribution shifts. For flow-matching VLA policies, this…

Robotics · Computer Science 2026-02-03 Xu Pan , Zhenglin Wan , Xingrui Yu , Xianwei Zheng , Youkai Ke , Ming Sun , Rui Wang , Ziwei Wang , Ivor Tsang

Vision-Language-Action models have recently emerged as a powerful paradigm for general-purpose robot learning, enabling agents to map visual observations and natural-language instructions into executable robotic actions. Though popular,…

Vision-Language-Action (VLA) models have recently emerged as a powerful paradigm for robotic manipulation. Despite substantial progress enabled by large-scale pretraining and supervised fine-tuning (SFT), these models face two fundamental…

Existing Vision-Language-Action (VLA) models often suffer from feature collapse and low training efficiency because they entangle high-level perception with sparse, embodiment-specific action supervision. Since these models typically rely…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Haitao Lin , Hanyang Yu , Jingshun Huang , He Zhang , Yonggen Ling , Ping Tan , Xiangyang Xue , Yanwei Fu

Vision-Language-Action (VLA) models have recently shown impressive generalization and language-guided manipulation capabilities. However, their performance degrades on tasks requiring precise spatial reasoning due to limited spatial…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Tianyuan Yuan , Yicheng Liu , Chenhao Lu , Zhuoguang Chen , Tao Jiang , Hang Zhao

Vision-Language-Action (VLA) models have gained much attention from the research community thanks to their strength in translating multimodal observations with linguistic instructions into robotic actions. Despite their recent advancements,…

Robotics · Computer Science 2025-05-27 Tuan Van Vo , Tan Quang Nguyen , Khang Minh Nguyen , Duy Ho Minh Nguyen , Minh Nhat Vu

Pruning is a typical acceleration technique for compute-bound models by removing computation on unimportant values. Recently, it has been applied to accelerate Vision-Language-Action (VLA) model inference. However, existing acceleration…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Hanzhen Wang , Jiaming Xu , Yushun Xiang , Jiayi Pan , Yongkang Zhou , Yong-Lu Li , Guohao Dai

Vision-language-action (VLA) models for closed-loop robot control are typically cast under the Markov assumption, making them prone to errors on tasks requiring historical context. To incorporate memory, existing VLAs either retrieve from a…

Robotics · Computer Science 2026-03-16 Hang Li , Fengyi Shen , Dong Chen , Liudi Yang , Xudong Wang , Jinkui Shi , Zhenshan Bing , Ziyuan Liu , Alois Knoll

Vision-Language-Action (VLA) models show promise in embodied reasoning, yet remain far from true generalists-they often require task-specific fine-tuning, incur high compute costs, and generalize poorly to unseen tasks. We propose MetaVLA,…

Artificial Intelligence · Computer Science 2026-01-29 Chen Li , Zhantao Yang , Han Zhang , Fangyi Chen , Chenchen Zhu , Anudeepsekhar Bolimera , Marios Savvides

Recent progress in Reinforcement Learning (RL) provides a principled approach to optimizing Vision-Language-Action (VLA) models, facilitating a shift from trajectory imitation to active learning in the task environment. Despite improvements…

Robotics · Computer Science 2026-05-19 Sixu Lin , Yunpeng Qing , Litao Liu , Ming Zhou , Ruixing Jin , Xiaoyi Fan , Guiliang Liu

Vision-Language-Action (VLA) models have emerged as a powerful framework that unifies perception, language, and control, enabling robots to perform diverse tasks through multimodal understanding. However, current VLA models typically…

Vision-Language-Action (VLA) models, trained via flow-matching or diffusion objectives, excel at learning complex behaviors from large-scale, multi-modal datasets (e.g., human teleoperation, scripted policies). However, since VLAs…

Robotics · Computer Science 2025-12-03 Siyuan Yang , Yang Zhang , Haoran He , Ling Pan , Xiu Li , Chenjia Bai , Xuelong Li

Vision-Language-Action (VLA) models extend vision-language models to embodied control by mapping natural-language instructions and visual observations to robot actions. Despite their capabilities, VLA systems face significant challenges due…

Robotics · Computer Science 2025-10-24 Weifan Guan , Qinghao Hu , Aosheng Li , Jian Cheng

Reinforcement learning (RL) can refine Vision-Language-Action (VLA) policies beyond behavior cloning, but real-world RL remains expensive due to extensive rollouts, resets, supervision, and safety risks. Action-conditioned video world…

Robotics · Computer Science 2026-05-26 Xiaokang Liu , Zechen Bai , Hai Ci , Kevin Yuchen Ma , Mike Zheng Shou

Vision-Language-Action (VLA) models have emerged as a promising paradigm for robotic manipulation by leveraging pre-trained vision-language representations. However, current VLA training methods suffer from two critical limitations: poor…

Robotics · Computer Science 2026-05-25 Ruofan Jin , Zaixi Zhang

Developing robust and general-purpose manipulation policies represents a fundamental objective in robotics research. While Vision-Language-Action (VLA) models have demonstrated promising capabilities for end-to-end robot control, existing…