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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 demonstrate significant potential for developing generalized policies in real-world robotic control. This progress inspires researchers to explore fine-tuning these models with Reinforcement Learning…

Robotics · Computer Science 2025-08-05 Dongchi Huang , Zhirui Fang , Tianle Zhang , Yihang Li , Lin Zhao , Chunhe Xia

Vision-language models (VLMs) predominantly rely on autoregressive decoding, which generates tokens one at a time and fundamentally limits inference throughput. This limitation is especially acute in physical AI scenarios such as robotics…

Computation and Language · Computer Science 2026-04-13 Chengyue Wu , Shiyi Lan , Yonggan Fu , Sensen Gao , Jin Wang , Jincheng Yu , Jose M. Alvarez , Pavlo Molchanov , Ping Luo , Song Han , Ligeng Zhu , Enze Xie

Latent Action Models (LAMs) have emerged as an effective paradigm for handling heterogeneous datasets during Vision-Language-Action (VLA) model pretraining, offering a unified action space across embodiments. However, existing LAMs often…

Robotics · Computer Science 2026-05-14 Qiwei Li , Xicheng Gong , Xinghang Li , Peiyan Li , Quanyun Zhou , Hangjun Ye , Jiahuan Zhou , Yadong Mu

Vision-language-action (VLA) models have shown strong potential for generalist robot manipulation, yet they remain limited by insufficient spatial reasoning, particularly in determining where to interact in complex visual scenes. While…

Robotics · Computer Science 2026-05-26 Runze Wang , Yuqian Fu , Yu Li , Tao Lin , Tianwen Qian , Mohamed Elhoseiny , Bo Zhao , Yanwei Fu , Yu-Gang Jiang , Xiangyang Xue

Vision-Language-Action models (VLAs) are becoming increasingly capable across diverse robotic tasks. However, their real-world deployment remains slow and inefficient: demonstration videos are often sped up by 5-10x to appear smooth, with…

Robotics · Computer Science 2025-12-02 Jiaming Tang , Yufei Sun , Yilong Zhao , Shang Yang , Yujun Lin , Zhuoyang Zhang , James Hou , Yao Lu , Zhijian Liu , Song Han

Vision-Language-Action (VLA) models excel at robotic tasks by leveraging large-scale 2D vision-language pretraining, but their reliance on RGB images limits spatial reasoning critical for real-world interaction. Retraining these models with…

Robotics · Computer Science 2025-03-11 Chengmeng Li , Junjie Wen , Yan Peng , Yaxin Peng , Feifei Feng , Yichen Zhu

We propose a standalone autoregressive (AR) Action Expert that generates actions as a continuous causal sequence while conditioning on refreshable vision-language prefixes. In contrast to existing Vision-Language-Action (VLA) models and…

Reinforcement learning (RL) for large-scale Vision-Language-Action (VLA) models faces significant challenges in computational efficiency and data acquisition. We propose AcceRL, a fully asynchronous and decoupled RL framework designed to…

Machine Learning · Computer Science 2026-03-23 Chengxuan Lu , Shukuan Wang , Yanjie Li , Wei Liu , Shiji Jin , Fuyuan Qian , Peiming Li , Baigui Sun , Yang Liu

Vision-Language-Action (VLA) models have demonstrated significant potential in complex scene understanding and action reasoning, leading to their increasing adoption in end-to-end autonomous driving systems. However, the long visual tokens…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Jiajun Cao , Qizhe Zhang , Peidong Jia , Xuhui Zhao , Bo Lan , Xiaoan Zhang , Zhuo Li , Xiaobao Wei , Sixiang Chen , Liyun Li , Xianming Liu , Ming Lu , Yang Wang , Shanghang Zhang

In recent years, Vision-Language Models (VLMs) have shown remarkable performance improvements in Vision-Language tasks. However, their large size poses challenges for real-world applications where inference latency is a concern. To tackle…

Machine Learning · Computer Science 2025-06-10 Divya Jyoti Bajpai , Manjesh Kumar Hanawal

Manipulating dynamic objects remains an open challenge for Vision-Language-Action (VLA) models, which, despite strong generalization in static manipulation, struggle in dynamic scenarios requiring rapid perception, temporal anticipation,…

Robotics · Computer Science 2026-01-30 Haozhe Xie , Beichen Wen , Jiarui Zheng , Zhaoxi Chen , Fangzhou Hong , Haiwen Diao , Ziwei Liu

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

Large Vision-Language Models (LVLMs) have achieved remarkable success, yet their significant computational demands hinder practical deployment. While efforts to improve LVLM efficiency are growing, existing methods lack comprehensive…

Computation and Language · Computer Science 2025-06-03 Zekun Wang , Minghua Ma , Zexin Wang , Rongchuan Mu , Liping Shan , Ming Liu , Bing Qin

Recent progress in Vision-Language-Action (VLA) models has enabled embodied agents to interpret multimodal instructions and perform complex tasks. However, existing VLAs are mostly confined to short-horizon, table-top manipulation, lacking…

Vision-Language-Action models have achieved remarkable progress in robotic manipulation, yet they suffer from a critical limitation: a lack of 3D scene understanding. This deficiency manifests as three intertwined challenges: weak…

Robotics · Computer Science 2026-05-29 Zhongyu Xia , Yousen Tang , Bingqing Wei , Yongtao Wang

In Vision-Language-Actionf(VLA) models, robustness to real-world perturbations is critical for deployment. Existing methods target simple visual disturbances, overlooking the broader multi-modal perturbations that arise in actions,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Jianing Guo , Zhenhong Wu , Chang Tu , Yiyao Ma , Xiangqi Kong , Zhiqian Liu , Jiaming Ji , Shuning Zhang , Yuanpei Chen , Kai Chen , Qi Dou , Yaodong Yang , Xianglong Liu , Huijie Zhao , Weifeng Lv , Simin Li

Successful generalist Vision-Language-Action (VLA) models rely on effective training across diverse robotic platforms with large-scale, cross-embodiment, heterogeneous datasets. To facilitate and leverage the heterogeneity in rich, diverse…

Vision-Language-Action (VLA) models are emerging as a promising paradigm for end-to-end autonomous driving, valued for their potential to leverage world knowledge and reason about complex driving scenes. However, existing methods suffer…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Xinyang Wang , Qian Liu , Wenjie Ding , Zhao Yang , Wei Li , Chang Liu , Bailin Li , Kun Zhan , Xianpeng Lang , Wei Chen

Billion-parameter Vision-Language-Action (VLA) policies have recently shown impressive performance in robotic manipulation, yet their size and inference cost remain major obstacles for real-time closed-loop control. We introduce…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Jin Shi , Brady Zhang , Yishun Lu