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Vision-Language-Action (VLA) models have demonstrated remarkable generalization capabilities in robotic manipulation tasks, yet their substantial computational overhead remains a critical obstacle to real-world deployment. Improving…

Robotics · Computer Science 2026-02-03 Yujie Wei , Jiahan Fan , Jiyu Guo , Ruichen Zhen , Rui Shao , Xiu Su , Zeke Xie , Shuo Yang

The advancement of large Vision-Language-Action (VLA) models has significantly improved robotic manipulation in terms of language-guided task execution and generalization to unseen scenarios. While existing VLAs adapted from pretrained…

Vision-Language-Action (VLA) models have shown remarkable progress in embodied tasks recently, but most methods process visual observations independently at each timestep. This history-agnostic design treats robot manipulation as a Markov…

Machine Learning · Computer Science 2026-04-13 Lei Xiao , Jifeng Li , Juntao Gao , Feiyang Ye , Yan Jin , Jingjing Qian , Jing Zhang , Yong Wu , Xiaoyuan Yu

Autoregressive sequence models, such as Transformer-based vision-language action (VLA) policies, can be tremendously effective for capturing complex and generalizable robotic behaviors. However, such models require us to choose a…

Recent advances in Vision-Language-Action (VLA) models have enabled robotic agents to integrate multimodal understanding with action execution. However, our empirical analysis reveals that current VLAs struggle to allocate visual attention…

While vision-language-action (VLA) models for embodied agents integrate perception, reasoning, and control, they remain constrained by two critical weaknesses: first, during grasping tasks, the action tokens generated by the language model…

Robotics · Computer Science 2026-02-03 Wentao Zhang , Aolan Sun , Wentao Mo , Xiaoyang Qu , Yuxin Zheng , Jianzong Wang

While Vision-Language-Action (VLA) models generalize well to generic instructions, they struggle with personalized commands such as "bring my cup," where the robot must act on one specific instance among visually similar objects. We study…

Robotics · Computer Science 2026-01-30 Sangoh Lee , Sangwoo Mo , Wook-Shin Han

We introduce OG-VLA, a novel architecture and learning framework that combines the generalization strengths of Vision Language Action models (VLAs) with the robustness of 3D-aware policies. We address the challenge of mapping natural…

Robotics · Computer Science 2025-11-19 Ishika Singh , Ankit Goyal , Stan Birchfield , Dieter Fox , Animesh Garg , Valts Blukis

Imitation learning has proven to be highly effective in teaching robots dexterous manipulation skills. However, it typically relies on large amounts of human demonstration data, which limits its scalability and applicability in dynamic,…

Robotics · Computer Science 2025-03-03 Minjie Zhu , Yichen Zhu , Jinming Li , Zhongyi Zhou , Junjie Wen , Xiaoyu Liu , Chaomin Shen , Yaxin Peng , Feifei Feng

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,…

Recent large-scale Vision Language Action (VLA) models have shown superior performance in robotic manipulation tasks guided by natural language. However, current VLA models suffer from two drawbacks: (i) generation of massive tokens leading…

Computer Vision and Pattern Recognition · Computer Science 2025-10-06 Juyi Lin , Amir Taherin , Arash Akbari , Arman Akbari , Lei Lu , Guangyu Chen , Taskin Padir , Xiaomeng Yang , Weiwei Chen , Yiqian Li , Xue Lin , David Kaeli , Pu Zhao , Yanzhi Wang

Vision-language-action (VLA) models represent a promising direction for developing general-purpose robotic systems, demonstrating the ability to combine visual understanding, language comprehension, and action generation. However,…

Robotics · Computer Science 2024-12-10 Pranav Guruprasad , Harshvardhan Sikka , Jaewoo Song , Yangyue Wang , Paul Pu Liang

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 (VLA) models have recently become highly prominent in the field of robotics. Leveraging vision-language foundation models trained on large-scale internet data, the VLA model can generate robotic actions directly from…

Robotics · Computer Science 2025-05-19 Wei Zhao , Gongsheng Li , Zhefei Gong , Pengxiang Ding , Han Zhao , Donglin Wang

Recent high-capacity vision-language-action (VLA) models have demonstrated impressive performance on a range of robotic manipulation tasks by imitating human demonstrations. However, exploiting offline data with limited visited states will…

Robotics · Computer Science 2025-05-27 Guanxing Lu , Wenkai Guo , Chubin Zhang , Yuheng Zhou , Haonan Jiang , Zifeng Gao , Yansong Tang , Ziwei Wang

Vision-Language Action (VLA) models significantly advance robotic manipulation by leveraging the strong perception capabilities of pretrained vision-language models (VLMs). By integrating action modules into these pretrained models, VLA…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Shaoqi Dong , Chaoyou Fu , Haihan Gao , Yi-Fan Zhang , Chi Yan , Chu Wu , Xiaoyu Liu , Yunhang Shen , Jing Huo , Deqiang Jiang , Haoyu Cao , Yang Gao , Xing Sun , Ran He , Caifeng Shan

The integration of Vision-Language-Action (VLA) models into autonomous driving systems offers a unified framework for interpreting complex scenes and executing control commands. However, the necessity to incorporate historical multi-view…

Robotics · Computer Science 2026-03-30 Yiru Wang , Anqing Jiang , Shuo Wang , Yuwen Heng , Zichong Gu , Hao Sun

The rapid progress of auto-regressive vision-language models (VLMs) has inspired growing interest in vision-language-action models (VLA) for robotic manipulation. Recently, masked diffusion models, a paradigm distinct from autoregressive…

Robotics · Computer Science 2025-09-11 Yuqing Wen , Hebei Li , Kefan Gu , Yucheng Zhao , Tiancai Wang , Xiaoyan Sun

The reliance on language in Vision-Language-Action (VLA) models introduces ambiguity, cognitive overhead, and difficulties in precise object identification and sequential task execution, particularly in environments with multiple visually…

Robotics · Computer Science 2026-03-02 Donggeon Kim , Seungwon Jan , Hyeonjun Park , Daegyu Lim

Vision-Language-Action (VLA) models are a promising paradigm for generalist robotic manipulation by grounding high-level semantic instructions into executable physical actions. However, prevailing approaches typically adopt a monolithic…

Robotics · Computer Science 2026-04-29 Yifei Wei , Linqing Zhong , Yi Liu , Yuxiang Lu , Xindong He , Maoqing Yao , Guanghui Ren