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Vision-Language-Action (VLA) models provide a promising paradigm for robot learning by integrating visual perception with language-guided policy learning. However, most existing approaches rely on 2D visual inputs to perform actions in 3D…

Robotics · Computer Science 2025-12-16 Yicheng Feng , Wanpeng Zhang , Ye Wang , Hao Luo , Haoqi Yuan , Sipeng Zheng , Zongqing Lu

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

Vision-Language-Action (VLA) models have recently advanced robotic manipulation by translating natural-language instructions and visual observations into control actions. However, existing VLAs are primarily trained on successful expert…

Robotics · Computer Science 2026-03-24 Zewei Ye , Weifeng Lu , Minghao Ye , Tao Lin , Shuo Yang , Junchi Yan , Bo Zhao

Vision-Language-Action (VLA) models with integrated reasoning have been proposed for end-to-end autonomous driving, assuming a tight coupling between reasoning and trajectory generation. However, the robustness of such systems under…

Cryptography and Security · Computer Science 2026-05-29 Mohammadreza Teymoorianfard , Jean-Philippe Monteuuis , Jonathan Petit , Amir Houmansadr

Vision-Language-Action (VLA) models align vision and language with embodied control, but their object referring ability remains limited when relying solely on text prompt, especially in cluttered or out-of-distribution (OOD) scenes. In this…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Hang Yu , Juntu Zhao , Yufeng Liu , Kaiyu Li , Cheng Ma , Di Zhang , Yingdong Hu , Guang Chen , Junyuan Xie , Junliang Guo , Junqiao Zhao , Yang Gao

Despite the promise of Vision-Language-Action (VLA) models as generalist robotic controllers, their robustness against perceptual noise and environmental variations in out-of-distribution (OOD) tasks remains fundamentally limited by the…

Robotics · Computer Science 2026-03-30 Zhuoran Li , Zhiyang Li , Kaijun Zhou , Jinyu Gu

Vision-language-action (VLA) models have advanced robot manipulation through large-scale pretraining, but real-world deployment remains challenging due to partial observability and delayed feedback. Reinforcement learning addresses this via…

Scaling vision-language-action (VLA) model pre-training requires large volumes of diverse, high-quality manipulation trajectories. Most current data is obtained via human teleoperation, which is expensive and difficult to scale.…

Robotics · Computer Science 2025-11-26 Rushuai Yang , Zhiyuan Feng , Tianxiang Zhang , Kaixin Wang , Chuheng Zhang , Li Zhao , Xiu Su , Yi Chen , Jiang Bian

To operate effectively in the real world, robots should integrate multimodal reasoning with precise action generation. However, existing vision-language-action (VLA) models often sacrifice one for the other, narrow their abilities to…

Robotics · Computer Science 2026-03-04 Shuai Yang , Hao Li , Bin Wang , Yilun Chen , Yang Tian , Tai Wang , Hanqing Wang , Feng Zhao , Yiyi Liao , Jiangmiao Pang

Vision-Language-Action (VLA) models have demonstrated remarkable performance on complex tasks through imitation learning in recent robotic manipulation works. Based on large-scale and high-quality demonstration datasets, existing imitation…

Robotics · Computer Science 2026-04-13 Yuquan Xue , Guanxing Lu , Zhenyu Wu , Chuanrui Zhang , Bofang Jia , Zhengyi Gu , Ziwei Wang

Recently in robotics, Vision-Language-Action (VLA) models have emerged as a transformative approach, enabling robots to execute complex tasks by integrating visual and linguistic inputs within an end-to-end learning framework. Despite their…

Vision-language-action models (VLAs) have become increasingly popular in robot manipulation for their end-to-end design and remarkable performance. However, existing VLAs rely heavily on vision-language models (VLMs) that only support…

Robotics · Computer Science 2025-02-24 Wei Zhao , Pengxiang Ding , Min Zhang , Zhefei Gong , Shuanghao Bai , Han Zhao , Donglin Wang

Continual Reinforcement Learning (CRL) for Vision-Language-Action (VLA) models is a promising direction toward self-improving embodied agents that can adapt in openended, evolving environments. However, conventional wisdom from continual…

Machine Learning · Computer Science 2026-03-13 Jiaheng Hu , Jay Shim , Chen Tang , Yoonchang Sung , Bo Liu , Peter Stone , Roberto Martin-Martin

Current work on robot failure detection and correction typically operate in a post hoc manner, analyzing errors and applying corrections only after failures occur. This work introduces CycleVLA, a system that equips Vision-Language-Action…

Robotics · Computer Science 2026-01-06 Chenyang Ma , Guangyu Yang , Kai Lu , Shitong Xu , Bill Byrne , Niki Trigoni , Andrew Markham

Pretraining Vision-Language-Action (VLA) policies on internet-scale video is appealing, yet current latent-action objectives often learn the wrong thing: they remain anchored to pixel variation rather than action-relevant state transitions,…

Robotics · Computer Science 2026-02-17 Jingwen Sun , Wenyao Zhang , Zekun Qi , Shaojie Ren , Zezhi Liu , Hanxin Zhu , Guangzhong Sun , Xin Jin , Zhibo Chen

Vision-Language-Action (VLA) models are receiving increasing attention for their ability to enable robots to perform complex tasks by integrating visual context with linguistic commands. However, achieving efficient real-time performance…

Robotics · Computer Science 2024-10-22 ByungOk Han , Jaehong Kim , Jinhyeok Jang

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…

Supervised fine-tuning (SFT) has become the de facto post-training strategy for large vision-language-action (VLA) models, but its reliance on costly human demonstrations limits scalability and generalization. We propose Probe, Learn,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Wenli Xiao , Haotian Lin , Andy Peng , Haoru Xue , Tairan He , Yuqi Xie , Fengyuan Hu , Jimmy Wu , Zhengyi Luo , Linxi "Jim" Fan , Guanya Shi , Yuke Zhu

Multi-task ``vision-language-action'' (VLA) models have recently demonstrated increasing promise as generalist foundation models for robotics, achieving non-trivial performance out of the box on new tasks in new environments. However, for…

Robotics · Computer Science 2025-08-05 Kaustubh Sridhar , Souradeep Dutta , Dinesh Jayaraman , Insup Lee

Vision-Language-Action (VLA) models have recently emerged as powerful general-purpose policies for robotic manipulation, benefiting from large-scale multi-modal pre-training. However, they often fail to generalize reliably in…

Robotics · Computer Science 2025-12-02 Hongyin Zhang , Shuo Zhang , Junxi Jin , Qixin Zeng , Runze Li , Donglin Wang